| Class Number |
Class Name |
No. of Patents |
| 285/184 |
Adjustable angle |
168 |
| 285/185 |
With center bolt |
27 |
| 285/900 |
Balanced pressure |
63 |
| 285/261 |
Ball and socket |
163 |
| 285/266 |
Composite ball |
17 |
| 285/264 |
Oscillative |
31 |
| 285/265 |
With gimbal ring |
21 |
| 285/263 |
Radially spaced spherical surfaces |
79 |
| 285/268 |
Spring-biased ball |
32 |
| 285/269 |
Socketed spring |
11 |
| 285/267 |
Spring-biased packing |
26 |
| 285/262 |
With internal tie means |
7 |
| 285/271 |
With removable ball seat |
33 |
| 285/270 |
With separate packing actuator |
11 |
| 285/260 |
Both members pliable and nonmetal |
66 |
| 285/394 |
Cam |
14 |
| 285/396 |
Bayonet type |
42 |
| 285/395 |
Thimble |
4 |
| 285/902 |
Canted ring |
27 |
| 285/901 |
Cap closures |
140 |
| 285/420 |
Clamp |
232 |
| 285/421 |
Wedge |
87 |
| 285/119 |
Combined |
68 |
| 285/149.1 |
Connector for conduit housing electromagnetic line: |
56 |
| 285/154.1 |
Having box and connector |
33 |
| 285/154.2 |
Including flexible armored sheath |
14 |
| 285/154.3 |
Including screw operated clamp |
8 |
| 285/154.4 |
Including screw operated clamp |
8 |
| 285/153.1 |
Including swivel |
3 |
| 285/153.2 |
Having plural swivels |
1 |
| 285/153.3 |
Having swivel and spring |
0 |
| 285/152.1 |
Multiple passage |
9 |
| 285/150.1 |
Underground |
6 |
| 285/151.1 |
Water tight |
43 |
| 285/9.2 |
Contact only |
45 |
| 285/12 |
Convertible |
180 |
| 285/903 |
Corrugated |
346 |
| 285/904 |
Cryogenic |
73 |
| 285/382 |
Deformed |
312 |
| 285/382.1 |
Both members |
27 |
| 285/382.2 |
Simultaneous |
147 |
| 285/382.7 |
By separate deformable element |
164 |
| 285/382.4 |
Outwardly expanded |
145 |
| 285/382.5 |
Bulged |
73 |
| 285/283 |
Detachable hinge |
25 |
| 285/905 |
Different coefficients of expansion |
37 |
| 285/383 |
Distinct spaced serial |
120 |
| 285/179 |
Elbow |
255 |
| 285/180 |
Cooperating saddle clamp |
12 |
| 285/182 |
Nesting parts |
4 |
| 285/181 |
Serially connected, adjustable |
70 |
| 285/183 |
Sheet metal |
27 |
| 285/179.1 |
With access opening |
23 |
| 285/179.2 |
Sheet-metal |
3 |
| 285/907 |
Electrical fixtures |
31 |
| 285/189 |
End to side or plate (e.g., reinforcement) |
172 |
| 285/191 |
Bolt or hook in flow (e.g., center bolt) |
18 |
| 285/211 |
Countersunk packed |
19 |
| 285/212 |
Screw-compressed |
32 |
| 285/222 |
Expanded or swaged pipe |
90 |
| 285/196 |
Expansible packing on spigot |
29 |
| 285/200 |
Flexible or yielding plate |
51 |
| 285/213 |
Gland |
6 |
| 285/215 |
External of conduit |
20 |
| 285/216 |
Expansible |
14 |
| 285/217 |
With conduit clamping means |
4 |
| 285/218 |
Transverse screw |
2 |
| 285/214 |
Internal with expanding means |
10 |
| 285/192 |
Penetrating (e.g., secant) |
122 |
| 285/193 |
Fixture |
12 |
| 285/194 |
Hole edge clamp |
28 |
| 285/195 |
Transverse screw |
3 |
| 285/197 |
Saddle-type clamp |
261 |
| 285/198 |
Yoke with radial screw at bight |
16 |
| 285/199 |
Yoke with thread on free ends |
25 |
| 285/219 |
Screw |
26 |
| 285/221 |
Necked plate |
8 |
| 285/220 |
With packing |
33 |
| 285/201 |
Sput |
22 |
| 285/205 |
Clamped plate |
88 |
| 285/206 |
Screw clamp |
59 |
| 285/208 |
Attachable from one side of plate |
39 |
| 285/209 |
Lugged nipple |
20 |
| 285/210 |
Movable lug |
21 |
| 285/207 |
With conduit clamping means |
11 |
| 285/202 |
Interlocked |
15 |
| 285/204 |
Packed |
24 |
| 285/203 |
Plate edge locks sput |
11 |
| 285/190 |
Swivel with lateral port to annular sleeve |
151 |
| 285/906 |
Equivalents |
279 |
| 285/305 |
Essential catch |
443 |
| 285/318 |
Coil spring |
85 |
| 285/319 |
Leaf spring |
675 |
| 285/306 |
Line pressure-responsive |
39 |
| 285/307 |
Operated by conduit motion |
113 |
| 285/320 |
Pivoted |
208 |
| 285/321 |
Resilient ring |
446 |
| 285/308 |
With manipulator |
277 |
| 285/314 |
Cam sleeve |
72 |
| 285/315 |
Reciprocating sleeve |
185 |
| 285/316 |
Spring-biased sleeve |
231 |
| 285/313 |
Restrainer for manipulator |
27 |
| 285/317 |
Spring-biased catch |
162 |
| 285/309 |
With means to increase contact pressure (e.g., tightener) |
48 |
| 285/312 |
Cam lever |
87 |
| 285/311 |
Dead center lever systems (self-locking) |
26 |
| 285/310 |
Separate actuator |
23 |
| 285/908 |
Extrusion holes |
17 |
| 285/8 |
Faucet type (e.g., slip-on) |
70 |
| 285/405 |
Flange |
118 |
| 285/406 |
Clamped |
66 |
| 285/412 |
Axially bolted |
101 |
| 285/407 |
Band type |
35 |
| 285/409 |
Lever |
50 |
| 285/410 |
Screw |
41 |
| 285/411 |
Segmented ring |
60 |
| 285/408 |
With intermediate flange engaging member |
34 |
| 285/413 |
Rings |
20 |
| 285/414 |
Detachable |
79 |
| 285/415 |
Split ring |
87 |
| 285/416 |
Fused |
61 |
| 285/223 |
Flexible joint, rigid members |
115 |
| 285/226 |
Bellows |
251 |
| 285/227 |
Multiple |
52 |
| 285/228 |
Balanced |
11 |
| 285/229 |
Single fold type |
69 |
| 285/230 |
Concrete, clay, or masonry pipe |
98 |
| 285/225 |
Diaphragm |
12 |
| 285/224 |
Radial and longitudinal expansion compensators |
40 |
| 285/235 |
Resilient sleeve type |
95 |
| 285/236 |
Clamped |
156 |
| 285/237 |
With spigot and socket ends |
28 |
| 285/231 |
Socketed packing type |
133 |
| 285/233 |
Beaded conduit |
48 |
| 285/234 |
Flared conduit |
31 |
| 285/232 |
With conduit gripping means (e.g., wedge ring) |
35 |
| 285/909 |
Fluorocarbons and memory plastics |
51 |
| 285/125.1 |
For branched path |
131 |
| 285/132.1 |
(y-type) having a straight portion and an angled leg |
29 |
| 285/128.1 |
Allowing for movement parallel to path (e.g., expansion joint) |
1 |
| 285/129.1 |
And having additional, integral fitting, branch, or coupling for a means such as a vent |
16 |
| 285/129.2 |
Plus a bend, flange, pocket, or chamber for antisiphon |
6 |
| 285/126.1 |
Having an access opening and removable cover |
13 |
| 285/127.1 |
Including a swivel joint |
6 |
| 285/127.2 |
Double y-type |
2 |
| 285/130.1 |
Intersecting paths (e.g., x- or cross-type) |
7 |
| 285/133.11 |
T-type |
155 |
| 285/133.6 |
For thin-walled material (e.g., sheet-metal) |
7 |
| 285/133.3 |
Having a pipe-receiving bell, socket or mouth |
26 |
| 285/133.21 |
Having a seal, gasket, o-ring, or packing |
54 |
| 285/133.5 |
Having reinforcement |
17 |
| 285/133.4 |
Having threaded portions |
43 |
| 285/131.1 |
Y-type, (symmetrical along the centerline) |
40 |
| 285/222.1 |
For plural component line (e.g., flexible type) |
61 |
| 285/222.5 |
Distinct metal layers (e.g., wire cloth, etc.) |
14 |
| 285/222.3 |
Elastomeric and fabric layers |
14 |
| 285/222.4 |
Metal and elastomeric layers |
33 |
| 285/222.2 |
Metal, elastomeric (e.g., rubber), and fabric layers |
24 |
| 285/3 |
Frangible element |
265 |
| 285/4 |
Score line or groove |
158 |
| 285/304 |
Friction detent (e.g., breakaway type) |
24 |
| 285/910 |
Gaskets |
228 |
| 285/912 |
Gear |
46 |
| 285/911 |
Glass |
90 |
| 285/120.1 |
Having plural independent paths |
41 |
| 285/121.1 |
Allowing relative motion of pipes |
16 |
| 285/121.2 |
Revolvable and telescoping |
6 |
| 285/121.3 |
Revolvable |
44 |
| 285/121.5 |
Having specific bearing structure |
27 |
| 285/121.4 |
Having spring biasing for maintaining a leak-proof seal |
21 |
| 285/121.6 |
Swiveling |
65 |
| 285/121.7 |
Ball and socket type |
11 |
| 285/122.1 |
And at least one path having branched flow |
30 |
| 285/123.1 |
For concentric tubes or pipes (e.g., well casing or wellhead type) |
181 |
| 285/123.15 |
Double-walled or duplex joint |
87 |
| 285/123.16 |
Wall configured as mating complementary type (e.g., hot air ducts) |
28 |
| 285/123.2 |
Having plural parallel suspended inner tubes |
49 |
| 285/123.3 |
Having single suspended inner tube |
60 |
| 285/123.5 |
Having inner tube anchored by slip means |
16 |
| 285/123.11 |
Having slip means actuator |
12 |
| 285/123.6 |
Including packing means |
21 |
| 285/123.7 |
Having means engaging slip means and compressing packing means |
8 |
| 285/123.8 |
By bolt directly connecting slip means to packing means |
8 |
| 285/123.9 |
Having radially applied orienting means |
11 |
| 285/123.12 |
Including a seal |
59 |
| 285/123.14 |
Compressed by tightening a bolt coaxial to tubing |
14 |
| 285/123.13 |
Held by a means applied radially (e.g., set crew) |
16 |
| 285/123.4 |
Split ring type suspension means |
53 |
| 285/123.17 |
Joint fabricated from material to compensate for movement |
36 |
| 285/124.1 |
Parallel paths |
166 |
| 285/124.2 |
Having spacer means for pipes or tubes |
51 |
| 285/124.3 |
Apertured plate type |
66 |
| 285/124.4 |
Including a fitting, boss, or nipple means |
77 |
| 285/124.5 |
Located within block type connector for ducts |
51 |
| 285/65 |
Identical halves (e.g., train line type) |
9 |
| 285/70 |
Longitudinal port |
10 |
| 285/73 |
Integral hook |
13 |
| 285/79 |
Auxiliary detent |
10 |
| 285/74 |
Oscillating engagement |
4 |
| 285/76 |
Auxiliary detent |
2 |
| 285/77 |
Reciprocating |
4 |
| 285/78 |
Key or wedge |
2 |
| 285/75 |
Reciprocating conduit |
1 |
| 285/71 |
Pivoted hook or loop |
4 |
| 285/72 |
Auxiliary detent |
2 |
| 285/67 |
Side slide |
13 |
| 285/68 |
Transverse port |
10 |
| 285/69 |
Auxiliary detent |
22 |
| 285/66 |
With intermediate sleeve |
3 |
| 285/913 |
Interdigitating |
55 |
| 285/397 |
Internal sleeve |
102 |
| 285/398 |
With external |
47 |
| 285/914 |
Irreversible |
63 |
| 285/5 |
Irrigation type (guide and support) |
49 |
| 285/6 |
Released by conduit motion |
0 |
| 285/118 |
Knuckle joint with actuating means |
4 |
| 285/10 |
Liquid seal |
16 |
| 285/11 |
With relative motion |
20 |
| 285/915 |
Mastic |
324 |
| 285/422 |
Materials |
133 |
| 285/423 |
Nonmetallic |
788 |
| 285/424 |
Sheet |
253 |
| 285/917 |
Metallic seals |
245 |
| 285/425 |
Miscellaneous |
12 |
| 285/285.1 |
Molded joint |
41 |
| 285/290.1 |
Composite pipe (ends) |
14 |
| 285/290.5 |
Expansion/contraction |
1 |
| 285/290.3 |
Interlocked with pipe end |
8 |
| 285/290.4 |
Having additional holding means |
9 |
| 285/290.2 |
Locked reinforcement |
1 |
| 285/291.1 |
Having screw interlock |
9 |
| 285/291.2 |
Having interrupted thread |
1 |
| 285/286.1 |
Interlocked |
26 |
| 285/286.2 |
Deformed or having additional holding means |
12 |
| 285/293.1 |
Lining or cover molded to pipe end |
44 |
| 285/294.1 |
Sleeve |
40 |
| 285/294.3 |
Sprue |
30 |
| 285/294.4 |
Having additional holding means |
14 |
| 285/294.2 |
Wrapped |
26 |
| 285/289.1 |
Solder |
28 |
| 285/289.2 |
Having additional holding means |
3 |
| 285/289.3 |
Interlocked |
2 |
| 285/289.4 |
Having disassembly feature |
1 |
| 285/289.5 |
Having pre-placed solder |
11 |
| 285/296.1 |
Sprue |
31 |
| 285/288.1 |
Weld |
219 |
| 285/288.2 |
Axially spaced |
14 |
| 285/288.3 |
Cold weld |
2 |
| 285/288.4 |
Flash weld |
12 |
| 285/288.5 |
Having additional holding means |
35 |
| 285/288.6 |
Interlocked |
12 |
| 285/288.8 |
Having crack arresting feature |
9 |
| 285/288.7 |
Having disassembly feature |
6 |
| 285/288.11 |
Having pre-formed weld ring |
31 |
| 285/288.9 |
Reinforced |
7 |
| 285/292.1 |
With lug and slot interlock |
7 |
| 285/295.1 |
With packing filler |
2 |
| 285/295.3 |
Elastomeric |
4 |
| 285/295.2 |
Wedge ring type |
3 |
| 285/287.1 |
With root repellent |
1 |
| 285/916 |
Molecular change |
12 |
| 285/322 |
Movable jaw (e.g., contractible socket) |
346 |
| 285/324 |
Reducing bushing |
2 |
| 285/323 |
Wedge bushing |
240 |
| 285/238 |
Nonmetal to metal |
90 |
| 285/239 |
Internal member (e.g., sleeve or nipple) |
134 |
| 285/242 |
External clamp or holder |
181 |
| 285/252 |
Band clamp with tightener |
94 |
| 285/253 |
Bolted |
94 |
| 285/256 |
Deformation |
296 |
| 285/257 |
Bendable spur fingers |
22 |
| 285/258 |
Expanding internal member |
63 |
| 285/243 |
Movable jaw |
91 |
| 285/259 |
Particular surface |
174 |
| 285/245 |
Screw-compressed |
32 |
| 285/250 |
Gland |
21 |
| 285/251 |
Screw-fed hose |
36 |
| 285/246 |
Thimble gland |
20 |
| 285/247 |
Thimble |
47 |
| 285/248 |
Separable means between hose and clamp |
22 |
| 285/249 |
Wedge ring |
93 |
| 285/244 |
Spring |
16 |
| 285/255 |
Wedge |
88 |
| 285/254 |
Wrapped band |
13 |
| 285/240 |
Flexible tip pipe |
5 |
| 285/241 |
External clamp |
2 |
| 285/918 |
O-ring |
68 |
| 285/335 |
Packed |
14 |
| 285/344 |
"rolled-in" gasket |
24 |
| 285/358 |
Cam |
13 |
| 285/360 |
Lugged pipe, rotary engagement |
103 |
| 285/361 |
Bayonet slot |
82 |
| 285/362 |
With manipulating ring |
28 |
| 285/359 |
Thimble |
8 |
| 285/347 |
Carried on cylindrical shank |
115 |
| 285/378 |
Diverse metal seat |
6 |
| 285/337 |
Externally with clamp |
114 |
| 285/363 |
Flanged pipe |
271 |
| 285/364 |
Clamped |
130 |
| 285/368 |
Axially bolted |
261 |
| 285/365 |
Band type |
99 |
| 285/366 |
Screw |
8 |
| 285/367 |
Tangential |
160 |
| 285/345 |
Frictional retention upon insertion |
145 |
| 285/346 |
With packing-expanding means |
45 |
| 285/379 |
Gasket retainer |
247 |
| 285/380 |
Resilient stud |
2 |
| 285/356 |
Gland |
74 |
| 285/357 |
Threaded |
35 |
| 285/351 |
Plural seals |
371 |
| 285/352 |
Coacting opposed duplicates |
21 |
| 285/338 |
Radially expansible, spigot-carried |
56 |
| 285/353 |
Screw thimble-gland |
167 |
| 285/354 |
Screw thimble |
352 |
| 285/355 |
Screw |
202 |
| 285/369 |
Sleeve |
285 |
| 285/372 |
Dependent |
14 |
| 285/373 |
Longitudinally divided |
329 |
| 285/370 |
Internal |
128 |
| 285/371 |
With external |
92 |
| 285/374 |
Socket |
151 |
| 285/375 |
Internal reciprocating packer |
35 |
| 285/376 |
Lugged pipe, rotary engagement |
102 |
| 285/377 |
With manipulating ring |
26 |
| 285/349 |
Supplemental packing socket |
64 |
| 285/350 |
Extrusion recess |
38 |
| 285/339 |
Wedge |
54 |
| 285/343 |
Compressed |
106 |
| 285/341 |
Double wedge surfaces |
114 |
| 285/342 |
Pushed |
163 |
| 285/340 |
Toggle ring type |
199 |
| 285/336 |
With cooperating opposed packing grooves |
105 |
| 285/348 |
With separable follower |
179 |
| 285/328 |
Particular interface |
225 |
| 285/331 |
Annular socket |
311 |
| 285/329 |
Diverse metal |
37 |
| 285/330 |
Interlocked or overlapped |
307 |
| 285/332 |
Tapered |
180 |
| 285/334.1 |
Adapter seat |
51 |
| 285/334.2 |
Double-tapered internal sleeve |
83 |
| 285/334.3 |
Elastomeric |
25 |
| 285/332.1 |
Conoidal |
53 |
| 285/332.4 |
Discontinuous interface surface |
33 |
| 285/333 |
Threaded (e.g., drill pipe type) |
300 |
| 285/334 |
Flat crest |
253 |
| 285/334.4 |
Dissimilar |
113 |
| 285/334.5 |
Flared |
121 |
| 285/332.2 |
Packed |
60 |
| 285/332.3 |
Interface |
93 |
| 285/136.1 |
Pipe to discreet nipple or sleeve to plate (i.e., three successive pieces) |
217 |
| 285/138.1 |
Ball and socket |
11 |
| 285/140.1 |
Expandable detent engages plate to hold nipple |
119 |
| 285/142.1 |
Nipple bolted to plate |
27 |
| 285/141.1 |
Nipple sealed to plate |
45 |
| 285/143.1 |
Nipple threaded to plate |
28 |
| 285/137.11 |
Pipe to nipple connection dependent on nipple to plate connection |
26 |
| 285/139.1 |
Plate clamped between flanged nipple and separate fastener |
58 |
| 285/139.2 |
Nipple includes seal |
44 |
| 285/139.3 |
Nipple includes securing means |
18 |
| 285/920 |
Remotely controlled |
142 |
| 285/15 |
Repair |
197 |
| 285/16 |
Removable wear element |
55 |
| 285/17 |
Alternate wear parts |
2 |
| 285/919 |
Resinous |
27 |
| 285/42 |
Roof or floor drain flashing type |
91 |
| 285/43 |
Angled |
32 |
| 285/44 |
Adjustable pitch |
22 |
| 285/922 |
Safety and quick release for drill pipes |
22 |
| 285/1 |
Safety release |
69 |
| 285/2 |
With frangible or deformable element |
118 |
| 285/384 |
Screw thimble-gland |
27 |
| 285/385 |
Wedge |
8 |
| 285/386 |
Screw thimble |
69 |
| 285/387 |
Removable |
47 |
| 285/388 |
Detachable flange |
61 |
| 285/389 |
Wedge |
10 |
| 285/390 |
Screw |
191 |
| 285/392 |
Attached thread bushing |
34 |
| 285/393 |
Gland |
19 |
| 285/391 |
Interrupted thread |
49 |
| 285/144.1 |
Serial,relatively movable portions |
23 |
| 285/145.1 |
Having telesc |
