| Class Number |
Class Name |
No. of Patents |
| 137/78.1 |
Ambient condition change responsive |
31 |
| 137/78.5 |
Atmospheric |
25 |
| 137/81.1 |
Pressure |
60 |
| 137/79 |
Temperature |
174 |
| 137/80 |
With additional diverse control |
67 |
| 137/78.4 |
Burner gas cutoff |
21 |
| 137/78.2 |
For controlling soil irrigation |
62 |
| 137/78.3 |
Soil moisture sensing |
134 |
| 137/81.2 |
Underwater |
44 |
| 137/215 |
Back flow prevention by vacuum breaking (e.g., anti-siphon devices) |
15 |
| 137/216 |
Air vent in liquid flow line |
97 |
| 137/217 |
Valved |
53 |
| 137/218 |
With co-acting valve in liquid flow path |
234 |
| 137/216.1 |
With liquid seal in liquid flow line |
18 |
| 137/216.2 |
Automatic valve in vent line |
12 |
| 137/901 |
Biased ball valves with operators |
116 |
| 137/900 |
Bumpless manual to automatic relays |
1 |
| 137/560 |
Combined |
95 |
| 137/65 |
Combustion failure responsive fuel safety cut-off for burners |
23 |
| 137/66 |
Thermo-electric |
74 |
| 137/38 |
Control by change of position or inertia of system |
224 |
| 137/45 |
By pendulum or swinging member |
62 |
| 137/46 |
With servo connection to valve |
11 |
| 137/44 |
By shifting of liquid level |
19 |
| 137/40 |
Position relative body of water (e.g., marine governors) |
1 |
| 137/41 |
Float controlled |
6 |
| 137/42 |
Pressure or head controlled |
6 |
| 137/43 |
Vent opening or closing on tipping container |
308 |
| 137/39 |
With second control |
135 |
| 137/269 |
Convertible |
316 |
| 137/269.5 |
Reversible check |
30 |
| 137/270 |
Unit orientable in a single location between plural positions |
226 |
| 137/270.5 |
Reversible stop and vent or waste |
3 |
| 137/271 |
Units interchangeable between alternate locations |
215 |
| 137/904 |
Cushion check valves |
22 |
| 137/910 |
Destructible or deformable element constructed of specific material |
58 |
| 137/67 |
Destructible or deformable element controlled |
96 |
| 137/68.11 |
Destructible element |
109 |
| 137/68.12 |
Combined destructible and fusible element |
18 |
| 137/68.13 |
Explosive actuation |
125 |
| 137/70 |
Frangible element returns pressure responsive valve |
83 |
| 137/71 |
Having pressure responsive valve |
133 |
| 137/68.19 |
Rupture disc |
75 |
| 137/68.23 |
Direct pressure causes disc to burst |
116 |
| 137/68.25 |
Dome shape |
46 |
| 137/68.26 |
Reverse buckling |
64 |
| 137/68.24 |
Two-way rupture disc |
19 |
| 137/68.22 |
Disc burst after destruction of additional element |
28 |
| 137/68.28 |
Integral disc assembly |
39 |
| 137/68.29 |
Knife or cutter causes disc to break |
48 |
| 137/68.3 |
Movable knife or cutter |
61 |
| 137/68.21 |
Means for holding entire disc after rupture |
27 |
| 137/68.27 |
Specific weakening point |
88 |
| 137/68.14 |
Separable valve coupling or conduit |
116 |
| 137/68.15 |
Tensile or sheer pin or bolt |
46 |
| 137/68.16 |
Tensile or sheer pin or bolt |
20 |
| 137/68.17 |
Pressure causes pin or bolt to destruct |
17 |
| 137/68.18 |
With alarm or indicator |
32 |
| 137/69 |
With counterbalancing element |
25 |
| 137/72 |
Heat destructible or fusible |
152 |
| 137/74 |
In fluid flow path |
135 |
| 137/75 |
Safety cut-off |
139 |
| 137/77 |
With external closing means |
46 |
| 137/76 |
With heater for destructible or fusible element |
17 |
| 137/73 |
With second sensing means |
53 |
| 137/236.1 |
Distribution systems involving geographic features |
225 |
| 137/154 |
Diverse fluid containing pressure systems |
32 |
| 137/171 |
Fluid separating traps or vents |
56 |
| 137/197 |
Discriminating outlet for gas |
43 |
| 137/199 |
Fluid sensing valve |
50 |
| 137/202 |
Float responsive |
421 |
| 137/200 |
With vaporized liquid stop |
3 |
| 137/201 |
With separate return for condensate |
3 |
| 137/198 |
With reverse flow stop or pressure regulating valve |
15 |
| 137/177 |
Discriminating outlet for liquid |
34 |
| 137/178 |
With alternately operated inlet and outlet valves |
4 |
| 137/182 |
With auxiliary inlet or by-pass valve |
11 |
| 137/183 |
With fluid responsive valve |
40 |
| 137/185 |
Gas collecting float (e.g., inverted bucket) |
18 |
| 137/186 |
Downstream from valve |
2 |
| 137/187 |
Level responsive |
20 |
| 137/192 |
Float |
98 |
| 137/195 |
Servo-control |
30 |
| 137/193 |
With main line gas outlet from trap chamber |
3 |
| 137/194 |
With outlet extending above liquid in trap |
6 |
| 137/196 |
With pressure balanced outlet valve |
6 |
| 137/188 |
Weight or pressure |
9 |
| 137/189 |
Gravitating vessel |
2 |
| 137/190 |
Sinking or bucket type float |
3 |
| 137/191 |
Servo-control |
1 |
| 137/184 |
Successively opened valves |
5 |
| 137/179 |
With non-discriminating gas vent or liquid discharge |
13 |
| 137/180 |
Abnormal pressure responsive liquid blow-off or drain |
0 |
| 137/181 |
Manual control |
13 |
| 137/172 |
Liquids separated from liquid |
70 |
| 137/173 |
Plural discriminating outlets for diverse fluids |
17 |
| 137/175 |
Choke or restricted passage gas bleed |
6 |
| 137/176 |
From above liquid level |
6 |
| 137/174 |
Common actuator for control valves |
10 |
| 137/203 |
With liquid emptying means |
33 |
| 137/204 |
Self-emptying |
59 |
| 137/170.1 |
Foam control in gas charged liquids |
15 |
| 137/170.2 |
Level or pressure responsive |
7 |
| 137/170.3 |
Separate handling of foam |
3 |
| 137/170.4 |
With conditioning trap or chamber |
2 |
| 137/170.5 |
Recarbonation |
0 |
| 137/170.6 |
With trap or chamber by-pass |
1 |
| 137/155 |
Gas lift valves for wells |
62 |
| 137/156 |
Gas pressure discharge of liquids feed traps (e.g., to boiler) |
3 |
| 137/159 |
Gas pressure controlled by amount of liquid in trap |
0 |
| 137/165 |
Float responsive |
4 |
| 137/167 |
Gas condensing type |
2 |
| 137/168 |
Gas inlet and outlet valves unitary |
0 |
| 137/166 |
Liquid control valve positively actuated |
1 |
| 137/162 |
Gravitating vessel |
0 |
| 137/164 |
Pivoted vessel with fluid passage through pivot |
0 |
| 137/163 |
Sinking or bucket type float |
1 |
| 137/160 |
Plural trap chambers |
0 |
| 137/161 |
Gravitating |
0 |
| 137/157 |
Gas pressure controlled by amount of liquids in boiler or discharge receiver |
0 |
| 137/158 |
Pressure connection at liquid level in boiler or discharge receiver |
3 |
| 137/169 |
Gas pressure controlled by manual or cyclic means |
1 |
| 137/170 |
Movable trap chamber |
1 |
| 137/206 |
Gas pressure storage over or displacement of liquid |
37 |
| 137/208 |
Plural units |
43 |
| 137/207 |
Surge suppression |
64 |
| 137/209 |
With gas maintenance or application |
223 |
| 137/210 |
Gas carried by or evolved from liquid |
40 |
| 137/211 |
Gas injectors |
10 |
| 137/211.5 |
Gas injected by liquid pressure or flow |
7 |
| 137/212 |
Unitary mounting for gas pressure inlet and liquid outlet |
111 |
| 137/213 |
With liquid level responsive gas vent or whistle |
2 |
| 137/214 |
Combined high and low level responsive |
3 |
| 137/207.5 |
With return of liquid to supply |
7 |
| 137/205 |
Liquid filling by evacuating container |
239 |
| 137/205.5 |
Main line flow displaces additive from shunt reservoir |
48 |
| 137/801 |
Faucets and spouts |
406 |
| 137/803 |
Flow affected by fluid contact, energy field or coanda effect (e.g., pure fluid device or system) |
32 |
| 137/842 |
Device including linearly-aligned power stream emitter and power stream collector |
42 |
| 137/841 |
Device including passages having v over gamma configuration |
10 |
| 137/834 |
Device including passages having v over t configuration |
10 |
| 137/839 |
And enlarged interaction chamber |
8 |
| 137/835 |
And feedback passage(s) or path(s) |
54 |
| 137/838 |
And multiple or joined power-outlet passages |
5 |
| 137/840 |
And vent passage(s) |
23 |
| 137/836 |
With particular characteristics of control input |
17 |
| 137/837 |
Multiple control-input passages |
6 |
| 137/808 |
Means to cause rotational flow of fluid (e.g., vortex generator) |
35 |
| 137/812 |
By tangential input to axial output (e.g., vortex amplifier) |
43 |
| 137/813 |
With means to vary input or output of device |
51 |
| 137/809 |
Plural vortex generators |
29 |
| 137/810 |
Vortex generator as control for system |
64 |
| 137/811 |
Vortex generator in interaction chamber of device |
35 |
| 137/825 |
Means to regulate or vary operation of device |
25 |
| 137/829 |
By movable element |
35 |
| 137/831 |
Electrically-actuated element (e.g., electro-mechanical transducer) |
56 |
| 137/832 |
Means (e.g., valve) in control input |
19 |
| 137/830 |
Operating at timed intervals (e.g., to produce pulses) |
8 |
| 137/827 |
By non-fluid energy field affecting input (e.g., transducer) |
90 |
| 137/828 |
Acoustical or thermal energy |
95 |
| 137/826 |
To vary frequency of pulses or oscillations |
60 |
| 137/822 |
Plural power inputs to single device |
9 |
| 137/823 |
Intersecting at interaction region (e.g., comparator) |
3 |
| 137/824 |
Co-lineal, oppositely-directed power inputs (e.g., impact modulator) |
12 |
| 137/804 |
Responsive to condition external of system |
30 |
| 137/805 |
And causing change or correction of sensed condition |
31 |
| 137/833 |
Structure of body of device |
177 |
| 137/814 |
System comprising plural fluidic devices or stages |
22 |
| 137/815 |
Plural power inputs (e.g., parallel inputs) |
5 |
| 137/819 |
To cascaded plural devices |
21 |
| 137/820 |
With feedback passage(s) between devices of cascade |
12 |
| 137/821 |
With pulsed control-input signal |
8 |
| 137/816 |
Variable or different-value power inputs |
3 |
| 137/817 |
Pulsating power input and continuous-flow power input |
0 |
| 137/818 |
With variable or selectable source of control-input signal |
8 |
| 137/806 |
Utilizing diverse fluids |
61 |
| 137/807 |
Utilizing particular fluid |
67 |
| 137/797 |
Frangible |
90 |
| 137/59 |
Freeze condition responsive safety systems |
79 |
| 137/62 |
Low temperature responsive drains |
93 |
| 137/61 |
Stop and waste |
10 |
| 137/60 |
With freeze waste |
18 |
| 137/15.1 |
Highspeed fluid intake means (e.g., jet engine intake) |
129 |
| 137/15.2 |
With condition responsive control means |
32 |
| 137/272 |
Hydrant type |
44 |
| 137/289 |
Balanced valve |
2 |
| 137/281 |
Expansible chamber operated by valve actuator for draining riser |
13 |
| 137/286 |
Movable riser actuated valve |
1 |
| 137/287 |
Reciprocating riser |
4 |
| 137/288 |
Piston type valve |
4 |
| 137/280 |
Plural riser |
0 |
| 137/301 |
Protection against freezing |
54 |
| 137/302 |
Stop and waste |
16 |
| 137/307 |
Reciprocating relatively fixed valves |
16 |
| 137/308 |
Waste through lower valve guide |
0 |
| 137/304 |
Separate relatively movable valves with single actuator |
2 |
| 137/305 |
Unidirectional abutting connection between main valve or actuator and waste valve |
4 |
| 137/306 |
With screw or gear in actuating mechanism |
0 |
| 137/303 |
With disabling means |
0 |
| 137/283 |
Removable valve and valve seat |
10 |
| 137/284 |
With extension to facilitate removal |
0 |
| 137/285 |
Removable valve with supplemental check valve |
4 |
| 137/290 |
Valve actuator extends laterally from bottom of riser |
0 |
| 137/291 |
Valve actuator outside riser |
8 |
| 137/292 |
Lever actuator |
7 |
| 137/293 |
With casing, flush with ground or pavement surface |
3 |
| 137/273 |
Water crane type |
0 |
| 137/278 |
Extensible spout |
1 |
| 137/275 |
Rotating riser |
0 |
| 137/276 |
Spout articulated to riser |
0 |
| 137/277 |
Vertically movable riser |
0 |
| 137/279 |
Spout articulated to riser |
0 |
| 137/274 |
Spout operated valve |
2 |
| 137/298 |
With actuator lubricating means |
5 |
| 137/294 |
With casing |
8 |
| 137/296 |
Cap, cover or hood |
79 |
| 137/295 |
Flush with ground or pavement surface |
6 |
| 137/297 |
With heater |
6 |
| 137/282 |
With pump or ejector |
12 |
| 137/300 |
With supplemental valve |
8 |
| 137/299 |
With valve at outlet |
12 |
| 137/223 |
Inflatable article (e.g., tire filling chuck and/or stem) |
259 |
| 137/234.5 |
Removable valve head and seat unit (valve insides) |
31 |
| 137/230 |
Stem attached relief valve |
25 |
| 137/232 |
With cap |
52 |
| 137/233 |
Valve actuating, assembling or locking means on cap |
17 |
| 137/234 |
Valve manually seated |
6 |
| 137/231 |
With coupling means |
90 |
| 137/227 |
With gauge or indicator |
71 |
| 137/229 |
Selectively connected |
9 |
| 137/228 |
With deflating means |
29 |
| 137/224 |
With pressure-responsive pressure-control means |
100 |
| 137/226 |
Co-axial inflation and relief valves |
39 |
| 137/225 |
Diaphragm, bellows or expansible tube |
31 |
| 137/224.5 |
Pulsating |
5 |
| 137/219 |
Larner-johnson type valves; i.e., telescoping internal valve in expanded flow line section |
90 |
| 137/221 |
Internal servo-motor with internal pilot valve |
6 |
| 137/222 |
Pilot controlled passage in nose or needle |
4 |
| 137/220 |
Line condition change responsive |
44 |
| 137/455 |
Line condition change responsive valves |
23 |
| 137/493 |
Bi-directional flow valves |
171 |
| 137/493.9 |
Axes of ports co-axial |
171 |
| 137/493.8 |
Axes of ports parallel |
129 |
| 137/493.7 |
Axes of ports perpendicular |
31 |
| 137/493.1 |
One head and seat carried by head of another |
31 |
| 137/493.6 |
Both valves spring biased |
63 |
| 137/493.2 |
Supporting valve only spring biased |
39 |
| 137/493.3 |
Supporting valve spring carried by supporting valve |
59 |
| 137/493.5 |
Spring abuts guide for supported valve stem |
14 |
| 137/493.4 |
Spring stop on supported valve stem |
26 |
| 137/479 |
Combustion engine induction type |
3 |
| 137/484 |
Unbalanced pivoted valve (e.g., unbalanced butterfly type) |
1 |
| 137/480 |
Valve in auxiliary inlet to induction line |
20 |
| 137/481 |
With manual modifier |
1 |
| 137/483 |
With separate reactor surface |
2 |
| 137/482 |
With suction compensator |
1 |
| 137/467.5 |
Consistency responsive |
16 |
| 137/511 |
Direct response valves (i.e., check valve type) |
26 |
| 137/517 |
Biased open |
227 |
| 137/518 |
Oppositely swinging vanes |
6 |
| 137/521 |
Pivoted valves |
62 |
| 137/519 |
Weight biased |
40 |
| 137/519.5 |
Ball valves |
89 |
| 137/520 |
Edge pivoted valve |
7 |
| 137/515 |
In couplings for coaxial conduits, e.g., drill pipe check valves |
56 |
| 137/515.7 |
Valve seat clamped between coupling elements |
81 |
| 137/515.5 |
Valve seat formed on or carried by a coupling element |
81 |
| 137/515.3 |
Valve seat threaded into a coupling element |
7 |
| 137/527 |
Pivoted valves |
263 |
| 137/527.2 |
Head retained by removable closure |
25 |
| 137/527.4 |
Valve head movably connected for accommodation to seat |
67 |
| 137/527.6 |
Valve mounted on end of pipe |
66 |
| 137/527.8 |
Weight biased |
250 |
| 137/516.25 |
Plural seating |
61 |
| 137/516.27 |
Sequential |
64 |
| 137/516.29 |
Resilient gasket |
111 |
| 137/512 |
Plural |
222 |
| 137/512.3 |
Diverse types |
133 |
| 137/512.1 |
Dividing and recombining in a single flow path |
260 |
| 137/512.15 |
Integral resilient member forms plural valves |
212 |
| 137/512.4 |
Integral resilient member forms plural valves |
130 |
| 137/513 |
Mechanically interconnected |
30 |
| 137/512.2 |
One valve carries head and seat for second valve |
74 |
| 137/512.5 |
With common biasing means |
49 |
| 137/528 |
Reciprocating valves |
87 |
| 137/530 |
Cam means for adjusting and fixing bias |
25 |
| 137/529 |
Plural biasing means |
153 |
| 137/535 |
Spring biased |
58 |
| 137/539 |
Ball valves |
157 |
| 137/539.5 |
With follower |
72 |
| 137/538 |
Piston-type valves |
137 |
| 137/540 |
Spring coaxial with valve |
248 |
| 137/540.11 |
Broken valve parts retainer |
1 |
| 137/543.19 |
Cage-type guide for stemless valves |
83 |
| 137/543.21 |
Guide means integral and coplanar with valve disk |
59 |
| 137/543.23 |
Head between spring and guide |
71 |
| 137/543.15 |
Head slides on guide-rod concentric with spring |
66 |
| 137/543.13 |
Spring abuts removable valve stem guide |
48 |
| 137/543.17 |
Spring guides valve head |
77 |
| 137/541 |
Spring in inlet |
112 |
| 137/542 |
Valve stem extends through fixed spring abutment |
111 |
| 137/543 |
Yoke or cage-type support for valve stem |
45 |
| 137/537 |
Spring under tension |
27 |
| 137/536 |
With means to protect spring from fluid |
63 |
| 137/531 |
Varying effective lever arm |
7 |
| 137/532 |
Weight biased |
9 |
| 137/533 |
Valve body is the weight |
38 |
| 137/533.11 |
Ball valves |
147 |
| 137/533.13 |
Removable cage |
30 |
| 137/533.15 |
Separable seat |
44 |
| 137/533.17 |
Guided head |
61 |
| 137/533.19 |
Cage |
37 |
| 137/533.21 |
Guide stem |
36 |
| 137/533.31 |
Guide and closure integral unit |
41 |
| 137/533.29 |
Guide and seat integral unit |
16 |
| 137/533.27 |
Head slidable on guide rod |
33 |
| 137/533.25 |
Oppositely disposed |
26 |
| 137/533.23 |
With closing stop |
6 |
| 137/534 |
Weight coaxial with valve |
21 |
| 137/843 |
Resilient material valve |
153 |
| 137/860 |
Annulus |
80 |
| 137/851 |
Center flexing strip |
15 |
| 137/844 |
Having expansible port |
55 |
| 137/845 |
Apertured plate |
49 |
| 137/846 |
Having exit lip |
169 |
| 137/850 |
Internally extending mount |
27 |
| 137/849 |
Multiple slit |
81 |
| 137/848 |
Side vent |
17 |
| 137/847 |
With biasing means |
37 |
| 137/852 |
With valve member flexing about securement |
83 |
| 137/854 |
Central mount |
232 |
| 137/855 |
Flap or reed |
259 |
| 137/857 |
With spring |
53 |
| 137/856 |
With stop |
168 |
| 137/858 |
With weight |
9 |
| 137/859 |
Peripherally secured diaphragm |
187 |
| 137/853 |
Sleeve |
118 |
| 137/516.11 |
Single head, plural ports in parallel |
39 |
| 137/516.15 |
Annular head |
49 |
| 137/516.17 |
Central post on seat |
16 |
| 137/516.23 |
Guide |
13 |
| 137/516.19 |
Stop |
7 |
| 137/516.21 |
With guide |
25 |
| 137/516.13 |
Concentric ports |
34 |
| 137/526 |
Vacuum relief type |
124 |
| 137/524 |
With bias adjustment indicator |
21 |
| 137/522 |
With external means for opposing bias |
141 |
| 137/523 |
With means for retaining external means in bias opposing position |
57 |
| 137/513.3 |
With leak passage |
136 |
| 137/513.7 |
Bypass in valve casing |
69 |
| 137/513.5 |
Permits flow at valve interface |
120 |
| 137/516 |
With means for selecting area of valve or seat |
4 |
| 137/514 |
With retarder or dashpot |
139 |
| 137/514.3 |
End of valve forms dashpot chamber |
38 |
| 137/514.5 |
End of valve moves inside dashpot chamber |
77 |
| 137/514.7 |
Enlarged piston on end of valve stem |
64 |
| 137/467 |
Fluid opened valve requiring reset |
75 |
| 137/484.2 |
Line flow effect assisted |
31 |
| 137/484.4 |
Reactor surface normal to flow |
21 |
| 137/484.6 |
Reactor surface separated from flow by apertured partition |
11 |
| 137/484.8 |
Through separate aperture |
20 |
| 137/485 |
Pilot or servo controlled |
10 |
| 137/487.5 |
Electrically actuated valve |
710 |
| 137/488 |
Fluid pressure type |
172 |
| 137/489 |
Choked or throttled pressure type |
185 |
| 137/491 |
Choked passage through main valve head |
100 |
| 137/489.3 |
Loose fitting piston |
6 |
| 137/489.5 |
Pilot controls supply to pressure chamber |
75 |
| 137/490 |
Pilot valve within main valve head |
23 |
| 137/492 |
Single acting fluid servo |
77 |
| 137/492.5 |
Spring biased |
141 |
| 137/486 |
Responsive to change in rate of fluid flow |
349 |
| 137/487 |
Control by pressures across flow line valve |
59 |
| 137/469 |
Pop valves |
106 |
| 137/475 |
Adjustable choke |
3 |
| 137/476 |
Annular lip or baffle |
8 |
| 137/477 |
On movable valve part |
3 |
| 137/478 |
Screw threaded |
13 |
| 137/474 |
Lost motion between pop pressure reactor and valve |
9 |
| 137/470 |
Pop closing valves |
3 |
| 137/472 |
Pop pressure reactor in branched released path |
5 |
| 137/473 |
Separate relief valves or valves for each branch |
1 |
| 137/471 |
Pop pressure reactor in inflow to valve |
11 |
| 137/456 |
Safety cut-off requiring reset |
44 |
| 137/464 |
Fluid counter-biased or unseated valve |
17 |
| 137/466 |
With fluid pressure seating of valve |
13 |
| 137/465 |
With mechanical stop against reopening |
6 |
| 137/463 |
Fluid released trip |
27 |
| 137/461 |
High pressure cut-off |
42 |
| 137/462 |
Reset by pressure equalization valve or by-pass |
49 |
| 137/458 |
Responsive to both high and low pressure or velocity |
79 |
| 137/459 |
Responsive to change in rate of flow |
21 |
| 137/460 |
Excessive flow cut-off |
176 |
| 137/457 |
Thermal |
26 |
| 137/468 |
Thermal responsive |
155 |
| 137/494 |
With separate connected fluid reactor surface |
236 |
| 137/506 |
Plural valves biased closed |
19 |
| 137/497 |
Responsive to change in rate of fluid flow |
20 |
| 137/500 |
Expansible chamber subject to differential pressures |
22 |
| 137/501 |
Pressures across fixed choke |
163 |
| 137/503 |
Pressures across flow line valve |
80 |
| 137/502 |
With venturi tube having a connection to throat |
7 |
| 137/504 |
Movable deflector or choke |
194 |
| 137/499 |
Turbine or swinging vane type reactor |
45 |
| 137/498 |
Valve closes in response to excessive flow |
136 |
| 137/496 |
Valve closes in responses to reverse flow |
59 |
| 137/508 |
Valve seat or external sleeve moves to open valve |
198 |
| 137/509 |
Valve seating in direction of flow |
109 |
| 137/510 |
Flexible diaphragm or bellows reactor |
254 |
| 137/495 |
With manual or external control for line valve |
238 |
| 137/507 |
With means for mounting or connecting to system |
24 |
| 137/505 |
With opening bias (e.g., pressure regulator) |
101 |
| 137/505.25 |
Apertured reactor surface surrounds flow line |
157 |
| 137/505.18 |
Balanced valve |
102 |
| 137/505.14 |
Bias variable during operation |
53 |
| 137/505.15 |
Ancillary reactor surface responds to inlet pressure |
19 |
| 137/505.16 |
Liquid transfer |
4 |
| 137/505.17 |
Weight |
1 |
| 137/505.19 |
Liquid level responsive gas flow control |
0 |
| 137/505.21 |
Main flow through isolated reactor chamber |
3 |
| 137/505.12 |
Multi-stage |
45 |
| 137/505.38 |
Reactor surface closes chamber |
23 |
| 137/505.46 |
Reactor operatively connected to valve by mechanical movement |
60 |
| 137/505.39 |
Valve head in inlet chamber |
24 |
| 137/505.4 |
Reactor surface is inverted cup (float) |
1 |
| 137/505.41 |
Rectilinear valve stem rigid with reactor surface |
82 |
| 137/505.42 |
With valve closing bias |
119 |
| 137/505.43 |
In reactor chamber |
3 |
| 137/505.44 |
Valve head on yoke |
6 |
| 137/505.45 |
Yoke has valve closing bias |
3 |
| 137/505.26 |
Reactor surface separated by apertured partition |
27 |
| 137/505.27 |
In valve stem |
2 |
| 137/505.28 |
Also through reactor surface |
27 |
| 137/505.36 |
Reactor surface is diaphragm |
13 |
| 137/505.37 |
With valve closing bias |
21 |
| 137/505.29 |
Valve stem passes through the aperture |
9 |
| 137/505.3 |
Plural reactor surfaces |
4 |
| 137/505.31 |
Reactor is an inverted cup having liquid seal |
0 |
| 137/505.33 |
Valve head in inlet chamber |
1 |
| 137/505.32 |
With movement dampener |
0 |
| 137/505.34 |
Valve head in inlet chamber |
7 |
| 137/505.35 |
Rectilinear valve stem rigid with reactor surface |
10 |
| 137/505.13 |
Senses inlet pressure |
83 |
| 137/505.22 |
Through external pipe |
17 |
| 137/505.24 |
Adjustable external lever |
2 |
| 137/505.23 |
Modified valve casing |
3 |
| 137/505.47 |
With mechanical movement between actuator and valve |
27 |
| 137/505.2 |
With protective separator |
2 |
| 137/505.11 |
With relief valve |
49 |
| 137/386 |
Liquid level responsive or maintaining systems |
114 |
| 137/453 |
Barometric |
32 |
| 137/454 |
With shut-off between supply tank and receiver |
19 |
| 137/409 |
By float controlled valve |
37 |
| 137/434 |
Float arm operated valve |
88 |
| 137/442 |
Assembly mounted on and having reciprocating valve element coaxial with inlet pipe |
32 |
| 137/443 |
Horizontal or side entering pipe |
35 |
| 137/444 |
Vertical inlet riser |
58 |
| 137/450 |
Balanced valves |
11 |
| 137/449 |
Ball valves |
35 |
| 137/451 |
Flexible valve |
39 |
| 137/438 |
Movable nozzle or inlet terminal |
7 |
| 137/448 |
Pivoted valve |
90 |
| 137/447 |
Rotary valve element |
19 |
| 137/439 |
Valve removable from outside container |
2 |
| 137/436 |
With flow guide or restrictor |
68 |
| 137/437 |
External hood or deflector or annular outlet surrounding the inlet pipe |
35 |
| 137/446 |
With interposed cam, gear or threaded connection |
68 |
| 137/441 |
With refill pipe |
37 |
| 137/445 |
With toggle or second lever connected to valve |
40 |
| 137/440 |
With u-shaped inlet pipe having terminal valve |
2 |
| 137/435 |
With valve retarder or cushion means |
11 |
| 137/428 |
In separate communicating float chamber |
63 |
| 137/426 |
Level adjustment or selection means |
159 |
| 137/423 |
Plural floats |
77 |
| 137/416 |
Quick acting |
23 |
| 137/422 |
Lost motion mechanism |
19 |
| 137/418 |
Over center mechanism |
12 |
| 137/419 |
Shifting weight |
0 |
| 137/417 |
Pilot float released |
1 |
| 137/420 |
Trip mechanism |
10 |
| 137/421 |
Weight or spring bias |
22 |
| 137/429 |
Rectilinearly traveling float |
71 |
| 137/430 |
Float co-axial with valve or port |
87 |
| 137/431 |
Float is spreader or anti-splash means |
0 |
| 137/433 |
Float rigid with valve |
166 |
| 137/432 |
Float surrounds inlet pipe |
51 |
| 137/412 |
Servo relay operation of control |
47 |
| 137/413 |
Fluid pressure |
86 |
| 137/414 |
Flexible diaphragm valve |
113 |
| 137/415 |
From tank |
21 |
| 137/411 |
Single float controls plural valves |
18 |
| 137/410 |
Valve opened by external means, closing or closing control by float |
61 |
| 137/424 |
With counter-balance |
5 |
| 137/425 |
Within tank |
15 |
| 137/427 |
With float leakage disposal |
5 |
| 137/403 |
By weight of accumulated fluid |
77 |
| 137/406 |
In communicating measuring vessel |
9 |
| 137/407 |
Top and bottom connections |
2 |
| 137/408 |
In gravitating tank |
16 |
| 137/404 |
In sinking or bucket type float |
10 |
| 137/405 |
Oil burner fuel overflow preventing safety cut-offs |
2 |
| 137/391 |
Control of both inflow and outflow of tank |
79 |
| 137/395 |
Control of outflow from tank |
53 |
| 137/398 |
By float |
48 |
| 137/399 |
Low level safety cut-off |
53 |
| 137/396 |
Self-emptying tanks |
35 |
| 137/397 |
By float |
31 |
| 137/392 |
Electrical characteristic sensing |
245 |
| 137/388 |
Liquid excluding devices for gas inlet or outlets |
11 |
| 137/387 |
Washing machine cycle control |
46 |
| 137/393 |
With control fluid connection at desired liquid level |
83 |
| 137/389 |
With second diverse control |
48 |
| 137/390 |
Manual control |
41 |
| 137/400 |
With supplemental or safety closing means or bias |
18 |
| 137/402 |
Gravitating tank |
0 |
| 137/401 |
Sinking or bucket type float |
2 |
| 137/909 |
Magnetic fluid valve |
36 |
| 137/802 |
Miscellaneous |
15 |
| 137/330 |
Non-valving motion of the valve or valve seat |
20 |
| 137/331 |
Rotary motion of a reciprocating valve |
33 |
| 137/333 |
Manual rotating means |
2 |
| 137/332 |
Turbine on valve |
7 |
| 137/255 |
Plural tanks or compartments with parallel flow |
95 |
| 137/260 |
Battery or electrolytic cell replenishment |
45 |
| 137/261 |
Barometric supply |
6 |
| 137/262 |
Flow dividing compartments |
19 |
| 137/256 |
Sequentially filled and emptied (e.g., holding type) |
49 |
| 137/257 |
With relative rotation of tank group and filling head |
0 |
| 137/258 |
With rotary filling and emptying head |
1 |
| 137/263 |
Tank type manifold (i.e., one tank supplies or receives from at least two others) |
50 |
| 137/264 |
Tank within tank |
47 |
| 137/265 |
With cross connecting passage |
48 |
| 137/259 |
With housings, supports or stacking arrangements |
22 |
| 137/266 |
With manifold or grouped outlets |
80 |
| 137/267 |
Tank truck type |
23 |
| 137/82 |
Pressure modulating relays or followers |
154 |
| 137/83 |
Jet control type |
51 |
| 137/84 |
Plural series units |
47 |
| 137/85 |
With counter-balancing pressure feedback to the modulating device |
162 |
| 137/86 |
With counter-counter balancing pressure feedback |
23 |
| 137/1 |
Processes |
808 |
| 137/13 |
Affecting flow by the addition of material or energy |
475 |
| 137/12.5 |
Carbonated beverage handling processes |
5 |
| 137/15.01 |
Cleaning, repairing, or assembling |
150 |
| 137/15.04 |
Fluid cleaning or flushing |
72 |
| 137/15.05 |
Liquid cleaning or flushing |
51 |
| 137/15.06 |
Valve or valve seat cleaning |
37 |
| 137/15.03 |
Gas or water meter repairing or assembling |
19 |
| 137/15.07 |
Mechanical cleaning (e.g., pig, etc.) |
20 |
| 137/15.02 |
Repairing or assembling hydrant (e.g., fireplug, etc.) |
23 |
| 137/15.08 |
Repairing, securing, replacing, or servicing pipe joint, valve, or tank |
88 |
| 137/15.11 |
Detecting or repairing leak |
62 |
| 137/15.09 |
Including joint or coupling |
64 |
| 137/15.17 |
Specific valve or valve element mounting or repairing |
88 |
| 137/15.12 |
Tapping pipe, keg, or tank |
35 |
| 137/15.13 |
Particular aperture forming means |
28 |
| 137/15.14 |
Cutter or cutting tool |
47 |
| 137/15.15 |
Having deformable or inflatable means |
28 |
| 137/15.16 |
With content loading or unloading (e.g., dispensing, discharge assistant, etc.) |
31 |
| 137/15.18 |
Valve or valve element assembling, disassembling, or replacing |
228 |
| 137/15.22 |
Ball valve or rotary ball valve |
58 |
| 137/15.25 |
Butterfly valve |
47 |
| 137/15.26 |
Float valve |
28 |
| 137/15.19 |
Fluid actuated or retarded |
43 |
| 137/15.23 |
Gate valve |
15 |
| 137/15.21 |
Multi way valve |
25 |
| 137/15.24 |
Plug valve |
22 |
| 137/14 |
Involving pressure control |
394 |
| 137/2 |
With control of flow by a condition or characteristic of a fluid |
233 |
| 137/12 |
By fluid pressure |
175 |
| 137/10 |
By speed of fluid |
40 |
| 137/9 |
For producing proportionate flow |
59 |
| 137/8 |
For producing uniform flow |
75 |
| 137/11 |
For regulating boiler feed water level |
5 |
| 137/3 |
Mixing of plural fluids of diverse characteristics or conditions |
213 |
| 137/5 |
Controlled by conductivity of mixture |
50 |
| 137/4 |
Controlled by consistency of mixture |
51 |
| 137/6 |
Controlled by heat of combustion of mixture |
10 |
| 137/7 |
Controlled by pressure |
65 |
| 137/454.2 |
Removable valve head and seat unit |
256 |
| 137/454.4 |
Pump type |
54 |
| 137/454.6 |
Retained by bonnet or closure |
250 |
| 137/454.5 |
Threaded into valve casing |
171 |
| 137/908 |
Respirator control |
94 |
| 137/309 |
Reversing valves - regenerative furnace type |
22 |
| 137/311 |
Rotary reversing valve |
15 |
| 137/310 |
With cooling |
1 |
| 137/905 |
Rotary valves for multiple gas burners |
2 |
| 137/903 |
Rubber valve springs |
59 |
| 137/87.01 |
Self-proportioning or correlating systems |
28 |
| 137/87.03 |
Flow rate responsive |
34 |
| 137/87.04 |
Pressure differential |
28 |
| 137/94 |
Fuel controlled by boiler or water system condition |
11 |
| 137/87.02 |
Liquid level responsive |
6 |
| 137/88 |
Mixture condition maintaining or sensing |
140 |
| 137/93 |
By optical or chemical property |
169 |
| 137/91 |
By specific gravity |
39 |
| 137/92 |
By viscosity or consistency |
64 |
| 137/89 |
Dividing and recombining flow |
19 |
| 137/87.05 |
Plural sensors |
7 |
| 137/87.06 |
For single valve |
9 |
| 137/109 |
Self-controlled branched flow systems |
28 |
| 137/115.01 |
Bypass or relief controlled by main line fluid condition |
15 |
| 137/115.03 |
Flow rate responsive |
56 |
| 137/115.06 |
Bypass or relief valve biased open |
42 |
| 137/115.08 |
Carried choke |
12 |
| 137/115.09 |
Choke |
45 |
| 137/115.1 |
Variable choke resistance |
29 |
| 137/115.12 |
Flapper |
4 |
| 137/115.04 |
Including controlling main line flow |
21 |
| 137/115.05 |
Relief or bypass closes as main opens |
31 |
| 137/115.07 |
Pilot valve operated |
30 |
| 137/115.11 |
Venturi |
10 |
| 137/115.02 |
Liquid level responsive |
4 |
| 137/115.13 |
Pressure responsive |
80 |
| 137/115.16 |
Bypass or relief valve biased open |
81 |
| 137/115.17 |
Increasing pressure progressively closes then reopens by-pass or relief valve |
13 |
| 137/115.18 |
Bypass or relief valve responsive to pressure downstream of outlet valve |
23 |
| 137/115.2 |
Outlet valve carried by bypass or relief valve |
5 |
| 137/115.19 |
Pilot valve |
17 |
| 137/115.14 |
Common sensor for both bypass or relief valve and other branch valve |
22 |
| 137/115.15 |
Bypass or relief valve opens as other branch valve closes |
33 |
| 137/115.25 |
Electrical control |
25 |
| 137/115.24 |
Mechanical movement between sensor and valve |
6 |
| 137/115.23 |
Pilot valve operated |
37 |
| 137/115.21 |
Plural sensors for single bypass or relief valve |
31 |
| 137/115.22 |
Sensors interconnected by timing or restrictive orifice |
8 |
| 137/115.26 |
Sensor rigid with valve |
36 |
| 137/115.27 |
Flexible sensor |
15 |
| 137/115.28 |
Pressure responsive outlet valve |
2 |
| 137/116.3 |
With pressure reducing inlet valve |
96 |
| 137/116.5 |
Relief port through common sensing means |
99 |
| 137/110 |
Dividing and recombining |
166 |
| 137/111 |
Plural inflows |
63 |
| 137/112 |
Alternate or successive inflows |
145 |
| 137/113 |
Control by depletion of source |
97 |
| 137/114 |
One inflow supplements another |
136 |
| 137/118.01 |
Plural outflows |
25 |
| 137/119.01 |
Alternately or successively substituted outflow |
20 |
| 137/120 |
Control by filling auxiliary gravitating or float operating tank |
2 |
| 137/121 |
Control by filling outlet tank or receiver |
5 |
| 137/122 |
Float controlled |
12 |
| 137/119.1 |
Electrical control |
13 |
| 137/119.06 |
Flow rate responsive |
24 |
| 137/119.07 |
Flow sensing turbine |
22 |
| 137/119.02 |
Four port reversing valve |
6 |
| 137/119.08 |
Pressure responsive |
25 |
| 137/119.09 |
Responsive to outlet pressure |
18 |
| 137/119.03 |
Responsive to pressure or flow interruption |
39 |
| 137/119.05 |
Manually set to a single outflow position |
18 |
| 137/119.04 |
Plural outlets control with automatic reset |
24 |
| 137/118.03 |
Biased open isolation valve |
18 |
| 137/118.04 |
Flow rate responsive |
30 |
| 137/118.05 |
Primer valve |
12 |
| 137/118.06 |
Pressure responsive |
71 |
| 137/118.07 |
With external control for correlating valve (e.g., manual) |
21 |
| 137/118.02 |
Single actuator operates plural outlets simultaneously |
22 |
| 137/98 |
Self-proportioning flow systems |
116 |
| 137/100 |
Flow comparison or differential response |
118 |
| 137/101 |
Flow dividers (e.g., reversely acting controls) |
100 |
| 137/101.11 |
Main line flow displaces or entrains material from reservoir |
39 |
| 137/101.19 |
With electrical controller |
73 |
| 137/101.21 |
Flow displacement element actuates electrical controller |
39 |
| 137/99 |
Interconnected flow displacement elements |
108 |
| 137/99.5 |
Movable trap chamber |
4 |
| 137/101.25 |
Liquid level response |
30 |
| 137/101.27 |
Float controlled weir or valve |
26 |
| 137/101.29 |
Swinging outlet pipe controller |
2 |
| 137/101.31 |
With measuring type discharge assistant |
13 |
| 137/102 |
Supply and exhaust type |
268 |
| 137/106 |
Reversing or 4-way valve systems |
80 |
| 137/103 |
Vacuum or suction pulsator type (e.g., milking machine) |
30 |
| 137/105 |
With pulsation responsive pilot valve |
2 |
| 137/104 |
With trip linkage or snap action |
1 |
| 137/107 |
Waste responsive to flow stoppage |
90 |
| 137/123 |
Siphons |
15 |
| 137/153 |
Elements |
9 |
| 137/132 |
Periodic or accumulation responsive discharge |
44 |
| 137/134 |
Control by filling auxiliary tank |
1 |
| 137/135 |
Float-operated inlet to siphon |
22 |
| 137/136 |
Release of trapped air |
8 |
| 137/137 |
Through float-operated vent |
7 |
| 137/138 |
Through liquid trap seal |
7 |
| 137/139 |
Auxiliary liquid trap seal |
7 |
| 137/133 |
With manual control |
5 |
| 137/124 |
Plural |
18 |
| 137/128 |
Main siphon with auxiliary starting, stopping or resetting siphon |
8 |
| 137/129 |
Sinking or bucket-type float operated main siphon, float emptying auxiliary siphon |
2 |
| 137/126 |
Sequentially discharging in parallel |
2 |
| 137/127 |
From plural tanks |
1 |
| 137/125 |
Tank truck mounted |
2 |
| 137/130 |
With discharge-controlling receiver |
4 |
| 137/131 |
With float |
1 |
| 137/142 |
With flow starting, stopping or maintaining means |
50 |
| 137/146 |
Plunge or immersion starting |
7 |
| 137/145 |
Pressure applied to liquid in supply chamber |
13 |
| 137/147 |
Pump or liquid displacement device for flow passage |
21 |
| 137/150 |
Collapsible bulb |
14 |
| 137/148 |
Piston |
10 |
| 137/149 |
Co-axial within flow passage |
6 |
| 137/150.5 |
Siphon inlet movable to and from seat |
2 |
| 137/143 |
Siphon venting or breaking |
30 |
| 137/144 |
With leakage or entrained air removal |
4 |
| 137/151 |
With valve or closure in-flow passage |
31 |
| 137/152 |
With means for mounting and/or positioning relative to siphon chamber |
27 |
| 137/141 |
With recorder, register, signal, indicator or inspection window |
3 |
| 137/140 |
With strainer, filter, separator or sediment trap |
33 |
| 137/902 |
Slush pump check valves |
25 |
| 137/47 |
Speed responsive valve control |
17 |
| 137/48 |
Acceleration responsive valve control |
11 |
| 137/53 |
Centrifugal mass type (exclusive of liquid) |
16 |
| 137/57 |
Excess speed responsive |
17 |
| 137/55 |
Periodically actuated valve |
4 |
| 137/56 |
Rotating valve and rotating governor |
40 |
| 137/58 |
With fluid servo-motor |
7 |
| 137/54 |
With multiple valves |
15 |
| 137/50 |
Speed change and excess speed valve control |
13 |
| 137/49 |
With manual valve control |
4 |
| 137/51 |
With other condition responsive valve control |
13 |
| 137/52 |
Governor drive failure responsive |
1 |
| 137/561R |
Systems |
89 |
| 137/615 |
Articulated or swinging flow conduit |
268 |
| 137/616 |
Actuates valve |
8 |
| 137/616.3 |
Plural motions of valve |
4 |
| 137/616.5 |
Reciprocating valve |
12 |
| 137/616.7 |
Rotary valve |
25 |
| 137/563 |
Closed circulating system |
225 |
| 137/564 |
With thermal circulating means (thermo-siphons) |
16 |
| 137/599.01 |
Dividing into parallel flow paths with recombining |
126 |
| 137/601.14 |
Electrical actuator |
83 |
| 137/599.11 |
Flow passage with bypass |
106 |
| 137/599.14 |
Including cleaning, treating, or heat transfer feature |
41 |
| 137/599.15 |
Water treatment feature |
15 |
| 137/599.13 |
Including flowmeter |
26 |
| 137/599.12 |
Including mixing feature |
35 |
| 137/601.13 |
Fluid actuated or retarded |
45 |
| 137/599.09 |
Fluid pressure regulator in at least one branch |
42 |
| 137/599.05 |
Having digital flow controller |
37 |
| 137/599.06 |
Having plural branches under common control for separate valve actuators |
6 |
| 137/599.07 |
Electromagnetic or electric control (e.g., digital control, bistable electro control, etc.) |
43 |
| 137/601.2 |
Having direct response valve (e.g., check valve, etc.) |
47 |
| 137/601.21 |
With reverse flow direction |
23 |
| 137/601.18 |
Having guide or restrictor |
45 |
| 137/601.19 |
Manually variable |
20 |
| 137/601.15 |
Mechanical movement between actuator and valve |
17 |
| 137/601.16 |
Rotary valve |
32 |
| 137/601.17 |
Butterfly valve |
27 |
| 137/599.16 |
Second valve assembly carried by first valve head |
76 |
| 137/599.18 |
Carried valve is direct response valve (e.g., check valve, etc.) |
42 |
| 137/599.17 |
With rotary plug having variable restrictor |
13 |
| 137/599.03 |
System having plural inlets |
43 |
| 137/599.04 |
Having digital flow controller |
14 |
| 137/601.01 |
With common operator |
54 |
| 137/601.02 |
Balanced valve |
6 |
| 137/601.12 |
Mechanical movement between actuator and non-rotary valve |
10 |
| 137/601.05 |
Rotary valve |
24 |
| 137/601.07 |
Axes of rotation of valves intersect at point |
3 |
| 137/601.08 |
Axes of rotation parallel |
11 |
| 137/601.09 |
Adjacent plate valves always parallel |
58 |
| 137/601.11 |
Adjacent plate valves counter rotate |
22 |
| 137/601.06 |
Including rigid plate with flexible or resilient seal |
21 |
| 137/601.03 |
Single resilient member actuates or forms plural passages |
4 |
| 137/601.04 |
Valves deform to close passage |
13 |
| 137/599.02 |
With fluid coupling (e.g., railway car hose coupling, truck-trailer oil system coupling, etc.) |
11 |
| 137/600 |
With foam controlling means (e.g., beer, soda faucets) |
1 |
| 137/599.08 |
With multi way valve having serial valve in at least one branch |
39 |
| 137/562 |
Faucet connected, sink drained |
24 |
| 137/613 |
Flow path with serial valves and/or closures |
427 |
| 137/614.19 |
Biased valve with external operator |
148 |
| 137/614.21 |
Coaxial oppositely directed seats |
97 |
| 137/614.11 |
Common actuator |
175 |
| 137/614.13 |
Alternately seating |
24 |
| 137/614.14 |
Biased valve |
19 |
| 137/614.12 |
Delivery cock with terminal valve |
7 |
| 137/614.15 |
Opposed screw |
1 |
| 137/614.2 |
Direct response normally closed valve limits direction of flow |
304 |
| 137/614.18 |
One valve head carries other valve head |
115 |
| 137/614.16 |
One valve head provides seat for other head |
25 |
| 137/614.17 |
Also carries head of other valve |
124 |
| 137/614 |
Separable flow path section, valve or closure in each |
156 |
| 137/614.01 |
Common joint and valve seat faces, or sections joined by closing members |
48 |
| 137/614.06 |
Coupling interlocked with valve, or closure or actuator |
159 |
| 137/614.02 |
Each valve and/or closure operated by coupling motion |
53 |
| 137/614.03 |
Linear motion of flow path sections operates both |
225 |
| 137/614.04 |
Valves actuate each other |
350 |
| 137/614.05 |
Valve- or closure-operated by coupling motion |
200 |
| 137/593 |
Head-establishing standpipe or expansion chamber (e.g., surge tanks) |
46 |
| 137/598 |
Hydraulic brake line (e.g., hill holders) |
10 |
| 137/624.27 |
Line condition change responsive release of valve |
70 |
| 137/564.5 |
Main line as motive fluid for follower-type feeder |
58 |
| 137/581 |
Movable tank |
12 |
| 137/625 |
Multi-way valve unit |
21 |
| 137/625.28 |
Dividing into parallel flow paths with recombining |
59 |
| 137/625.33 |
Reciprocating |
158 |
| 137/625.37 |
Piston |
113 |
| 137/625.38 |
With internal flow passage |
94 |
| 137/625.39 |
Sequential opening or closing of serial ports in single flow line |
24 |
| 137/625.34 |
Spool |
43 |
| 137/625.36 |
Unequal heads |
4 |
| 137/625.35 |
With internal passage |
21 |
| 137/625.31 |
Rotary |
143 |
| 137/625.32 |
Plug |
124 |
| 137/625.29 |
Valve with bypass connections |
93 |
| 137/625.3 |
With metering feature |
334 |
| 137/625.43 |
Four port reversing valves |
126 |
| 137/625.4 |
Multiple inlet with single outlet |
339 |
| 137/625.41 |
Rotary valve |
266 |
| 137/625.44 |
Pivoted valve unit |
129 |
| 137/625.45 |
Gate |
21 |
| 137/625.18 |
Plural noncommunicating flow paths |
73 |
| 137/625.19 |
Rotary plug |
50 |
| 137/625.48 |
Reciprocating valve unit |
252 |
| 137/625.49 |
Combined disk or plug and gate or piston |
22 |
| 137/625.5 |
Plural disk or plug |
195 |
| 137/625.46 |
Rotary valve unit |
296 |
| 137/625.47 |
Plug |
305 |
| 137/625.42 |
Selective opening of plural ports |
18 |
| 137/625.17 |
Selective reciprocation or rotation |
302 |
| 137/625.11 |
Sequential distributor or collector type |
201 |
| 137/625.12 |
Sequentially progressive opening or closing of plural ports |
40 |
| 137/625.13 |
With subsequent closing of first port |
15 |
| 137/625.14 |
Flow combining with flow dividing |
5 |
| 137/625.15 |
Rotary |
59 |
| 137/625.16 |
Plug |
23 |
| 137/625.2 |
Supply and exhaust |
33 |
| 137/625.65 |
Motor-operated |
662 |
| 137/625.66 |
Fluid motor |
328 |
| 137/625.6 |
Pilot-actuated |
111 |
| 137/625.63 |
Common to plural valve motor chambers |
94 |
| 137/625.64 |
Electric |
461 |
| 137/625.61 |
Variable orifice-type modulator |
71 |
| 137/625.62 |
Opposed orifices; interposed modulator |
56 |
| 137/625.25 |
Reciprocating valve |
90 |
| 137/625.26 |
Combined disk or plug and gate or piston |
48 |
| 137/625.67 |
Piston valve |
18 |
| 137/625.69 |
With annular passage (e.g., spool) |
355 |
| 137/625.68 |
With internal flow passage |
206 |
| 137/625.27 |
Plural disk or plug |
140 |
| 137/625.21 |
Rotary valve |
214 |
| 137/625.22 |
Plug type |
77 |
| 137/625.24 |
Axial and radial flow |
166 |
| 137/625.23 |
For plural lines |
173 |
| 137/597 |
Multiple inlet with multiple outlet |
418 |
| 137/602 |
Multiple inlet with single outlet |
57 |
| 137/888 |
Combining by aspiration |
110 |
| 137/889 |
Combining of three or more diverse fluids |
49 |
| 137/891 |
Flow control by varying position of a fluid inlet relative to entrainment chamber |
26 |
| 137/890 |
Plural motivating fluid jets |
25 |
| 137/895 |
With condition responsive valve |
94 |
| 137/892 |
With selectively operated flow control means in inlet |
48 |
| 137/893 |
Flow control means is located in aspirated fluid inlet |
97 |
| 137/894 |
Single actuator operates flow control means located in both motivating fluid and aspirated fluid inlets |
25 |
| 137/603 |
Faucet attachment |
6 |
| 137/605 |
With flow control |
117 |
| 137/606 |
Valve in each inlet |
332 |
| 137/607 |
With common valve operator |
227 |
| 137/896 |
With means to promote mixing or combining of plural fluids |
141 |
| 137/897 |
With selectively operated flow control means |
80 |
| 137/898 |
Single actuator operates plural flow control means |
26 |
| 137/561A |
Non-valved flow dividers |
310 |
| 137/594 |
Plural noncommunicating flow paths |
78 |
| 137/595 |
With common valve operator |
212 |
| 137/626 |
Plural petcocks |
2 |
| 137/571 |
Plural tanks or compartments connected for serial flow |
189 |
| 137/573 |
Fluid progresses by zigzag flow |
20 |
| 137/574 |
Plural compartments formed by baffles |
186 |
| 137/575 |
Plural top-to-bottom connected tanks |
40 |
| 137/572 |
Separable with valved-connecting passage |
98 |
| 137/576 |
With communicating opening in common walls of tanks or compartments |
158 |
| 137/624.11 |
Programmer or timer |
318 |
| 137/624.22 |
Biased latch, cam operated |
6 |
| 137/624.21 |
Clock alarm mechanism controlled |
6 |
| 137/624.18 |
Plural, sequential, valve actuations |
189 |
| 137/624.19 |
Plural trips or trip actuations |
3 |
| 137/624.2 |
Variable cycle |
127 |
| 137/624.13 |
Repeating cycle |
159 |
| 137/624.14 |
Self-cycling |
230 |
| 137/624.15 |
Variable |
111 |
| 137/624.17 |
Adjustable cam |
8 |
| 137/624.16 |
Attachable and removable element |
4 |
| 137/624.12 |
With independent valve controller |
144 |
| 137/627 |
Sequential distributor or collector type |
35 |
| 137/627.5 |
Sequentially closing and opening alternately seating flow controllers |
318 |
| 137/628 |
Sequentially progressive opening or closing of plural valves |
47 |
| 137/630.19 |
Lost motion |
28 |
| 137/630.2 |
Cam determines sequence |
17 |
| 137/630.22 |
First valve actuates second valve |
51 |
| 137/630.21 |
Rotary concentric valves |
4 |
| 137/629 |
Pressure equalizing or auxiliary shunt flow |
44 |
| 137/630 |
One valve seats against other valve (e.g., concentric valves) |
40 |
| 137/630.15 |
Actuator moves both valves |
79 |
| 137/630.14 |
First valve moves second valve |
76 |
| 137/630.12 |
Gate |
19 |
| 137/630.11 |
Locomotive throttle |
0 |
| 137/630.13 |
With balancing chamber |
14 |
| 137/630.18 |
Screw-actuated differential valves |
4 |
| 137/630.16 |
With subsequent closing of first opened port |
5 |
| 137/630.17 |
Simultaneously moved port controllers |
5 |
| 137/596 |
Supply and exhaust |
255 |
| 137/596.1 |
Biased exhaust valve |
106 |
| 137/596.2 |
Biased closed |
183 |
| 137/596.17 |
Motor |
369 |
| 137/596.18 |
Fluid motor |
162 |
| 137/596.14 |
Pilot-actuated |
74 |
| 137/596.15 |
Common to plural valve motor chambers |
105 |
| 137/596.16 |
Electric |
261 |
| 137/596.12 |
With bypass |
105 |
| 137/596.13 |
Controlled by supply or exhaust valve |
238 |
| 137/583 |
System with plural openings, one a gas vent or access opening |
32 |
| 137/584 |
Access and outlet |
24 |
| 137/585 |
Tank access opening and bottom outlet |
14 |
| 137/586 |
Access opening interlock or telltale on outlet valve actuator |
5 |
| 137/587 |
Tank with gas vent and inlet or outlet |
393 |
| 137/588 |
Vent and inlet or outlet in unitary mounting |
243 |
| 137/589 |
With vented outlet |
51 |
| 137/590 |
Tank with internally extending flow guide, pipe or conduit |
265 |
| 137/592 |
Inlet internally extending |
194 |
| 137/591 |
Inverted "u" passage |
10 |
| 137/590.5 |
Nondraining overflow type |
16 |
| 137/577 |
Tank with movable or adjustable outlet or overflow pipe |
60 |
| 137/578 |
Float-supported outlet |
36 |
| 137/577.5 |
Horizontally traversing outlet |
2 |
| 137/579 |
Swinging outlet pipe or spout |
25 |
| 137/637 |
Valves with separate, correlated, actuators |
62 |
| 137/637.2 |
Coaxial stems |
42 |
| 137/637.3 |
Rotary |
30 |
| 137/637.4 |
And reciprocating |
20 |
| 137/637.5 |
Concentric, central valve removable |
6 |
| 137/637.05 |
Correlated across separable flow path joint |
9 |
| 137/637.1 |
Interlocked |
76 |
| 137/582 |
With antisplash means not in flow passage |
14 |
| 137/861 |
With flow control means for branched passages |
77 |
| 137/877 |
Biased valve |
26 |
| 137/878 |
Spring bias |
23 |
| 137/879 |
For valve having a ball head |
17 |
| 137/881 |
Spring coaxial with valve |
117 |
| 137/882 |
Biased open |
43 |
| 137/880 |
With threaded actuator |
1 |
| 137/887 |
Containing rotary valve |
81 |
| 137/884 |
Sectional block structure |
656 |
| 137/883 |
Single inlet with multiple distinctly valved outlets |
367 |
| 137/862 |
With common valve operator |
66 |
| 137/864 |
For valve having a ball head |
24 |
| 137/863 |
For valve having a flexible diaphragm valving member |
56 |
| 137/869 |
Having fluid actuator |
52 |
| 137/867 |
Pivoted or rotary motion converted to reciprocating valve head motion |
16 |
| 137/868 |
Spring biased |
29 |
| 137/871 |
Spring biased |
48 |
| 137/866 |
Threaded actuator |
6 |
| 137/870 |
With electrical actuation |
111 |
| 137/865 |
With gearing |
24 |
| 137/885 |
With fluid actuator |
116 |
| 137/886 |
With threaded actuator |
31 |
| 137/872 |
With valve or movable deflector at junction |
83 |
| 137/873 |
Movable deflector spout in lateral port |
6 |
| 137/875 |
Pivoted valve or deflector |
147 |
| 137/876 |
Rotary valve or deflector |
114 |
| 137/874 |
Valve or deflector is tubular passageway |
70 |
| 137/635 |
With preselecting means for plural valve actuator |
25 |
| 137/565.01 |
With pump |
81 |
| 137/565.22 |
And jet-aspiration type pump |
57 |
| 137/565.17 |
Combined with fluid receiver |
83 |
| 137/565.18 |
Compressed air supply unit |
12 |
| 137/565.37 |
Fluid sump |
42 |
| 137/565.19 |
Hydraulic power unit |
8 |
| 137/565.34 |
Reserve or surge receiver |
91 |
| 137/565.27 |
Downstream cyclic distributor |
7 |
| 137/565.28 |
Distributor part unitary with movable pump part |
1 |
| 137/565.36 |
Drain valve actuator mounted on pump |
5 |
| 137/565.25 |
Hand pump |
7 |
| 137/565.26 |
Multiple inlet with multiple outlet |
8 |
| 137/565.29 |
Plural |
45 |
| 137/565.33 |
Parallel |
114 |
| 137/565.3 |
Serial |
47 |
| 137/565.31 |
With single motive input |
12 |
| 137/565.32 |
One pump driven by motive fluid from the other |
3 |
| 137/565.11 |
Pumped fluid control |
24 |
| 137/565.16 |
Electric |
46 |
| 137/565.13 |
Fluid pressure responsive |
33 |
| 137/565.14 |
And pilot valve |
7 |
| 137/565.15 |
Direct response valve |
17 |
| 137/565.12 |
Manual |
22 |
| 137/565.24 |
Resiliently mounted pump |
18 |
| 137/565.23 |
Vacuum pump |
59 |
| 137/565.35 |
With pump bypass |
38 |
| 137/580 |
With running joint between movable parts of system |
150 |
| 137/636 |
With selective motion for plural valve actuator |
45 |
| 137/636.1 |
Oppositely movable cam surfaces |
100 |
| 137/636.4 |
Reciprocation along and rotation about same axis |
51 |
| 137/636.2 |
Rotation about either of two pivotal axes |
109 |
| 137/636.3 |
Rotation of actuator arm about its pivot and its axis |
46 |
| 137/907 |
Vacuum-actuated valves |
271 |
| 137/906 |
Valves biased by fluid "springs" |
72 |
| 137/343 |
With casing, support, protector or static constructional installations |
125 |
| 137/374 |
Furniture and housing furnishings |
4 |
| 137/377 |
Guards and shields |
197 |
| 137/380 |
Cover for beer cooler aperture for faucet |
4 |
| 137/379 |
Nozzle abutment for scratch or damage prevention |
7 |
| 137/378 |
Resilient abutment for preventing breakage |
5 |
| 137/381 |
Sanitary covers or shields |
35 |
| 137/382 |
Valve guards |
359 |
| 137/382.5 |
With means for accommodating a detachable actuator |
58 |
| 137/375 |
Jacketed |
454 |
| 137/356 |
Static constructional installations |
43 |
| 137/357 |
Buildings |
154 |
| 137/359 |
Escutcheon type support |
181 |
| 137/362 |
Floor installation |
95 |
| 137/358 |
Outside access to portions of the system |
7 |
| 137/360 |
Wall |
330 |
| 137/361 |
Recessed gas outlet box |
2 |
| 137/363 |
Ground supporting enclosure |
72 |
| 137/372 |
Pipe line transport |
20 |
| 137/364 |
Valve and meter wells |
64 |
| 137/368 |
Combined with actuator |
26 |
| 137/369 |
Telescopic well casing |
15 |
| 137/371 |
Covers |
73 |
| 137/370 |
Telescopic well casing |
24 |
| 137/365 |
With means to center well on valve |
7 |
| 137/366 |
Detachable base plate |
8 |
| 137/367 |
Vertical casing aligned by valve casing |
14 |
| 137/373 |
Tapering or tower type |
4 |
| 137/376 |
Tank supports |
27 |
| 137/899 |
Vehicle |
179 |
| 137/899.2 |
Aerial or water-supported (e.g., airplane or ship, etc.) |
59 |
| 137/351 |
Automotive |
145 |
| 137/353 |
Dash |
22 |
| 137/355 |
Fender or running board |
9 |
| 137/354 |
Floor or frame |
28 |
| 137/352 |
Steering post or wheel |
0 |
| 137/899.1 |
Guided by means of track or guideway |
16 |
| 137/345 |
Locomotive |
1 |
| 137/346 |
Boiler or steam dome |
1 |
| 137/347 |
Railway car |
49 |
| 137/348 |
Car frame |
7 |
| 137/349 |
End of car |
10 |
| 137/350 |
Roof, wall or floor |
33 |
| 137/899.4 |
Vehicle supports fluid compressor and compressed fluid storage tank |
38 |
| 137/355.12 |
With hose reel storage means |
65 |
| 137/899.3 |
With retractable or nonuse-positionable support wheel |
9 |
| 137/355.16 |
With hose storage or retrieval means |
140 |
| 137/355.28 |
Basket or holder for folded coiled hose |
32 |
| 137/355.26 |
Reel with support therefor |
99 |
| 137/355.27 |
Ground supported |
75 |
| 137/355.18 |
With flow regulation responsive to hose movement |
7 |
| 137/355.19 |
Reel type |
18 |
| 137/355.17 |
With means for plural hoses |
64 |
| 137/355.2 |
With retrieval means |
62 |
| 137/355.23 |
Biased to retracted position |
48 |
| 137/355.24 |
Boom type |
9 |
| 137/355.25 |
Weighted |
11 |
| 137/355.21 |
Power stop or brake |
14 |
| 137/355.22 |
Responsive to position of hose in casing |
14 |
| 137/237 |
With cleaner, lubrication added to fluid or liquid sealing at valve interface |
19 |
| 137/238 |
Cleaning or steam sterilizing |
124 |
| 137/242 |
Mechanical cleaning |
118 |
| 137/244 |
Cleaning member reciprocates in passage |
99 |
| 137/245 |
By-pass cleaning |
7 |
| 137/245.5 |
Independent actuation |
16 |
| 137/243 |
Valve grinding motion of valve on seat |
14 |
| 137/243.1 |
Concentric stem |
1 |
| 137/243.3 |
Lost motion permits grinding |
1 |
| 137/243.5 |
Nut releasable from body and/or stem |
0 |
| 137/243.2 |
Spring pressed |
5 |
| 137/243.6 |
With independent grinding actuator |
7 |
| 137/243.7 |
Separable |
1 |
| 137/243.4 |
With swivel-preventing means |
1 |
| 137/239 |
Reverse fluid flow |
40 |
| 137/241 |
Steam sterilizing |
41 |
| 137/240 |
With separate material addition |
507 |
| 137/246 |
Liquid supplied at valve interface |
47 |
| 137/246.22 |
External pressure |
76 |
| 137/246.13 |
Feed by or with actuation |
4 |
| 137/246.23 |
Gravity or capillary feed |
6 |
| 137/246.12 |
Line pressure feed |
12 |
| 137/246.14 |
Loss control |
0 |
| 137/246.11 |
Plural feed |
5 |
| 137/246.15 |
Screw feed |
3 |
| 137/246.19 |
Jacking |
1 |
| 137/246.2 |
Seating |
0 |
| 137/246.16 |
With check valve |
3 |
| 137/246.17 |
Excess relief |
0 |
| 137/246.18 |
Jacking |
0 |
| 137/246.21 |
Spring biased piston feed |
1 |
| 137/800 |
With closure |
54 |
| 137/798 |
With coupling |
68 |
| 137/799 |
Flexible |
13 |
| 137/342 |
With fluid system support for workman or non-system material |
11 |
| 137/334 |
With heating or cooling of the system |
147 |
| 137/338 |
Air heated or cooled (fan, fins, or channels) |
63 |
| 137/340 |
Circulating fluid in heat exchange relationship |
219 |
| 137/337 |
Hot and cold water system having a connection from the hot to the cold channel |
87 |
| 137/335 |
With burner |
13 |
| 137/336 |
Flue extending through fluid |
0 |
| 137/339 |
With diversion of part of fluid to heat or cool the device or its contents |
24 |
| 137/341 |
With electric heating element |
271 |
| 137/268 |
With holder for solid, flaky or pulverized material to be dissolved or entrained |
383 |
| 137/551 |
With indicator, register, recorder, alarm or inspection means |
215 |
| 137/557 |
Fluid pressure responsive indicator, recorder or alarm |
568 |
| 137/559 |
Inspection means |
218 |
| 137/558 |
Liquid level responsive indicator, recorder or alarm |
196 |
| 137/552 |
Plural |
132 |
| 137/552.5 |
Unobvious - "combination lock" type |
11 |
| 137/553 |
Position or extent of motion indicator |
133 |
| 137/554 |
Electrical |
540 |
| 137/556 |
Indicator element rigidly carried by the movable element whose position is indicated |
223 |
| 137/556.3 |
Movable indicator element is a pointer |
51 |
| 137/556.6 |
Pointer integral with handle |
30 |
| 137/555 |
Selection from plural branches |
14 |
| 137/552.7 |
Time |
23 |
| 137/312 |
With leakage or drip collecting |
712 |
| 137/314 |
Collector for waste liquid derived from solid, gas or vapor |
18 |
| 137/313 |
Relatively movable receptacle or drain pipe and outlet |
12 |
| 137/247 |
With liquid valves or liquid trap seals |
12 |
| 137/247.11 |
Liquid seal in liquid flow line; flow liquid forms seal |
14 |
| 137/247.29 |
Divided and recombined passages |
7 |
| 137/247.33 |
Downward partition encircles projecting outlet |
9 |
| 137/247.27 |
Plural inlet |
15 |
| 137/247.25 |
Seal replenishers |
25 |
| 137/247.35 |
Submerged inlet pipe end |
16 |
| 137/247.39 |
Distinct seal bowl in flow line connected casing |
13 |
| 137/247.37 |
Hinged seal bowl |
1 |
| 137/247.31 |
Tangential inlet flow |
1 |
| 137/247.41 |
U-seals |
29 |
| 137/247.45 |
Enlarged upflow leg |
11 |
| 137/247.47 |
Topside access opening |
1 |
| 137/247.49 |
Even diameter legs |
26 |
| 137/247.51 |
Access opening |
26 |
| 137/247.43 |
Topside access beneath cover plate closed floor opening |
5 |
| 137/247.13 |
Valves |
5 |
| 137/247.15 |
Line condition change responsive |
6 |
| 137/247.21 |
Ball valve |
5 |
| 137/247.23 |
Seats vertically up |
7 |
| 137/247.19 |
Pivoted valve |
5 |
| 137/247.17 |
Plural valves or valve seats |
6 |
| 137/251.1 |
Liquid valves |
68 |
| 137/252 |
Branched passage for sealing liquid |
5 |
| 137/253 |
With auxiliary means for varying liquid level |
16 |
| 137/254 |
With baffle |
9 |
| 137/248 |
Seal for relatively movable valving parts |
9 |
| 137/249 |
Horizontally moving valve |
0 |
| 137/250 |
Rotary |
2 |
| 137/383 |
With lock or seal |
72 |
| 137/384.2 |
Common lock and valve actuator |
24 |
| 137/384.6 |
Biased valve |
9 |
| 137/384.4 |
Combination lock |
3 |
| 137/384.8 |
Mechanical movement between lock and valve |
10 |
| 137/385 |
Locks against rotary motion |
134 |
| 137/384 |
With seal |
31 |
| 137/544 |
With means for separating solid material from the fluid |
119 |
| 137/549 |
Hollow strainer, fluid inlet and outlet perpendicular to each other |
179 |
| 137/547 |
Movable strainer |
30 |
| 137/550 |
Planar strainer normal to flow path |
230 |
| 137/545 |
Plural separating elements |
61 |
| 137/546 |
Sediment chamber |
47 |
| 137/315.01 |
With repair, tapping, assembly, or disassembly means |
169 |
| 137/315.33 |
Assembling or disassembling check valve |
60 |
| 137/315.07 |
Assembling or disassembling flexible tube or sleeve type valve |
31 |
| 137/315.08 |
Assembling or disassembling float or float valve |
34 |
| 137/315.09 |
Assembling or disassembling multi way valve |
30 |
| 137/315.16 |
Assembling or disassembling pivoted valve |
28 |
| 137/315.27 |
Assembling or disassembling reciprocating valve |
68 |
| 137/315.29 |
Gate valve |
23 |
| 137/315.3 |
Bifaced |
19 |
| 137/315.31 |
Having particular valve seat |
10 |
| 137/315.32 |
Including seal |
5 |
| 137/315.28 |
Having particularly packed or sealed mechanical movement actuator |
40 |
| 137/315.17 |
Assembling or disassembling rotary valve |
24 |
| 137/315.22 |
Butterfly valve |
27 |
| 137/315.23 |
Having valve head or seat packing |
14 |
| 137/315.24 |
With head and stem collections |
9 |
| 137/315.25 |
Plug valve |
29 |
| 137/315.26 |
Having retainer at actuator end |
9 |
| 137/315.18 |
Rotary ball valve |
35 |
| 137/315.19 |
Particular valve seat or interface seal |
23 |
| 137/315.2 |
Replaceable |
15 |
| 137/315.21 |
With top entry valve |
19 |
| 137/315.11 |
Assembling, disassembling, or removing cartridge type valve (e.g., insertable and removable as a unit, etc.) |
65 |
| 137/315.12 |
Faucet type (e.g., domestic water use, etc.) |
40 |
| 137/315.14 |
Including mechanical movement actuator |
5 |
| 137/315.13 |
Including removable valve head and seat unit |
28 |
| 137/315.15 |
Particular handle or handle fastening means |
24 |
| 137/315.02 |
Blow out preventer or choke valve device (e.g., oil well flow controlling device, etc.) |
20 |
| 137/326 |
Foot valve extraction from top of enclosure |
2 |
| 137/315.06 |
Gas or water meter replacing |
19 |
| 137/315.04 |
Pressure regulating type valve |
51 |
| 137/315.05 |
Diaphragm type |
34 |
| 137/329.1 |
Removable valve with normally disabled supplemental check valve |
18 |
| 137/329.2 |
Check valve disabled by normally movable main valve part |
9 |
| 137/329.3 |
Ball check |
15 |
| 137/329.4 |
Spring bias |
17 |
| 137/315.03 |
Solenoid or electromagnetically operated valve |
69 |
| 137/317 |
Tapping a pipe, keg, or apertured tank under pressure |
82 |
| 137/319 |
Imperforate closure removing and holding tap |
18 |
| 137/318 |
With aperture forming means |
350 |
| 137/324 |
With core ejectors |
0 |
| 137/325 |
Impact operated |
0 |
| 137/320 |
With valved closure or bung |
22 |
| 137/321 |
Combined rotary and longitudinal movement of valve |
22 |
| 137/322 |
Longitudinal movement of valve |
113 |
| 137/323 |
Rotary movement of valve |
10 |
| 137/315.41 |
Tool for applying or removing valve or valve member |
69 |
| 137/315.42 |
Including sealing feature |
11 |
| 137/327 |
With disassembly tool engaging feature |
68 |
| 137/328 |
Wrench engaging lugs |
17 |
| 137/316 |
With holding means functioning only during transportation assembly or disassembly |
59 |
| 137/315.35 |
With mechanical movement between actuator and valve |
47 |
| 137/315.39 |
Cam type |
13 |
| 137/315.38 |
Gear type |
13 |
| 137/315.37 |
Lever type |
13 |
| 137/315.36 |
Plural motions of valve |
20 |
| 137/315.4 |
Screw type |
33 |
| 137/329 |
With provision of alternate wear parts |
5 |
| 137/329.01 |
Valve heads and/or seats |
18 |
| 137/329.05 |
Different portions of continuous surfaces |
5 |
| 137/329.02 |
Opposite duplicate surfaces of unitary structure |
8 |
| 137/329.03 |
Homogeneous material |
7 |
| 137/329.04 |
Valve heads |
14 |
| 137/329.06 |
Successively used adjacent independent elements |
4 |
| 137/234.6 |
With vehicle guide or support, e.g., service station |
65 |
