| Class Number |
Class Name |
No. of Patents |
| 335/1 |
Combined diverse switches (e.g., manual-actuated and art type) |
10 |
| 335/2 |
Electromagnetically actuated switches |
21 |
| 335/99 |
Alternating or fluctuating current type |
0 |
| 335/100 |
Induction or eddy current (e.g., vane or closed conductive loop) |
4 |
| 335/102 |
Polyphase |
0 |
| 335/101 |
Preselected or synchronous frequency responsive |
1 |
| 335/104 |
With chatter, bounce or vibration-prevention means |
9 |
| 335/105 |
With damping or adjustment means |
8 |
| 335/103 |
With plural magnetic-actuating structures |
4 |
| 335/6 |
Automatic circuit-interrupting devices (e.g., circuit-protective devices) |
261 |
| 335/8 |
Multipole or polyphase |
113 |
| 335/10 |
With common latch or trip means |
39 |
| 335/9 |
With individual latch or trip means in each leg |
35 |
| 335/11 |
Plural switches |
22 |
| 335/7 |
Responsive to plural diverse circuit conditions (e.g., voltage and current) |
12 |
| 335/18 |
Responsive to predetermined or abnormal current condition (e.g., direction, phase angle or amplitude) |
223 |
| 335/19 |
Zero current |
8 |
| 335/20 |
Voltage responsive (under, over or no voltage) |
116 |
| 335/13 |
With auxiliary switch means (e.g., for energizing coil) |
61 |
| 335/15 |
With contact biasing, holding or pressure control means |
35 |
| 335/16 |
Magnetic or electrodynamic (e.g., blowon or blowoff) |
303 |
| 335/46 |
With contact rebound or other undesirable motion prevention means |
28 |
| 335/14 |
With direct connected contact separating means |
103 |
| 335/21 |
With latch or trip means |
123 |
| 335/38 |
Magnetic |
51 |
| 335/42 |
With adjusting or calibrating means |
67 |
| 335/41 |
With magnetic flux winding directly in series with main contacts |
14 |
| 335/39 |
With time delay (e.g., thermal) |
8 |
| 335/40 |
Responsive to or proportional to degree of overload condition |
3 |
| 335/22 |
Plural latch or combined latch operating means for single latch |
30 |
| 335/23 |
With diverse-type actuating means (e.g., magnetic and thermal) |
95 |
| 335/35 |
Plural trips or combined operating means for single trip (e.g., magnetic with thermal) |
185 |
| 335/36 |
With common structural elements |
10 |
| 335/37 |
With thermal element comprising magnetic flux source |
26 |
| 335/26 |
Reclosing or resetting |
40 |
| 335/27 |
Automatic combined with manual |
24 |
| 335/28 |
Automatic combined with timing or delay means |
4 |
| 335/29 |
Fluid-controlled |
5 |
| 335/30 |
Mechanical motor-controlled (e.g., clock movement) |
3 |
| 335/31 |
Thermally actuated |
7 |
| 335/32 |
With counting or integrating means (e.g., repetitive for given number of reclosures) |
4 |
| 335/34 |
With lockout |
8 |
| 335/33 |
With means providing for operation after variable intervals or fixed intervals of different duration (e.g., first reset occurs) instantaneously, with other at longer intervals) |
2 |
| 335/43 |
Thermal |
29 |
| 335/44 |
Including ambient temperature compensating means |
4 |
| 335/45 |
With regulating, adjusting or calibrating means |
51 |
| 335/24 |
Trip-free (i.e., cannot be manually reclosed while overload exists) |
20 |
| 335/25 |
With disabling means (for contact-actuator) |
7 |
| 335/12 |
With shunting contacts |
5 |
| 335/17 |
With switch condition signalling, indicating or alarm means |
153 |
| 335/196 |
Contact composition or structure |
81 |
| 335/197 |
Adjustable or readily detachable |
16 |
| 335/198 |
Convertible from normally open to normally closed and vice versa |
15 |
| 335/200 |
Pivoted or relatively movable independently of the armature |
18 |
| 335/199 |
Printed circuit |
13 |
| 335/165 |
Contact-actuating means unitary with latch or trip |
16 |
| 335/185 |
Contact-actuating means |
53 |
| 335/189 |
Mechanical linkage |
47 |
| 335/191 |
Compound motion device (e.g., toggle) |
48 |
| 335/190 |
Including cam, roller or eccentric means |
65 |
| 335/186 |
Plural or combined (e.g., manual with other) |
51 |
| 335/188 |
Snap-action |
20 |
| 335/187 |
Unitary with armature |
24 |
| 335/192 |
With biasing means (open or closed) |
40 |
| 335/194 |
With pressure-maintaining or adjusting means |
24 |
| 335/195 |
Magnetic or electrodynamic force |
161 |
| 335/193 |
With vibration-, bounce- or chatter-prevention means |
42 |
| 335/147 |
Electrodynamically actuated |
88 |
| 335/148 |
Moving coil type |
7 |
| 335/149 |
Plural coils |
3 |
| 335/150 |
With reset or restoring means |
6 |
| 335/167 |
Latching means |
149 |
| 335/171 |
Including spring-biasing or energy-storage means |
36 |
| 335/170 |
Magnetically operated |
54 |
| 335/169 |
Plural or with auxiliary latch |
21 |
| 335/168 |
With positive lock (against movement) |
19 |
| 335/164 |
Manually or gravity-operated latch with electromagnetic trip |
35 |
| 335/106 |
Multiple contact type |
49 |
| 335/133 |
Contact structure or arrangement |
68 |
| 335/134 |
Grid or coordinate |
0 |
| 335/135 |
In pile or stack |
39 |
| 335/107 |
Contacts-selectively, sequentially, alternately, or intermittently actuated |
15 |
| 335/108 |
Automatic telephone type |
2 |
| 335/118 |
Motor-driven |
2 |
| 335/109 |
Plural or multidirection mechanical selector motions |
0 |
| 335/111 |
Selector structure |
1 |
| 335/112 |
Crossbar type |
25 |
| 335/110 |
With motion-conversion means |
0 |
| 335/115 |
Reciprocating selector motion (e.g., sliding) |
1 |
| 335/114 |
Rotary selector motion |
5 |
| 335/113 |
With holding, locking or latching means |
10 |
| 335/117 |
With operational mode-varying means |
0 |
| 335/116 |
With reset or selector-restoring means |
7 |
| 335/121 |
Contact-actuation means |
15 |
| 335/124 |
Armature structure |
22 |
| 335/125 |
Rotary armature |
19 |
| 335/126 |
Reciprocating or linearly sliding |
119 |
| 335/122 |
With rotary or compound motion device (e.g., rack and pinion) |
9 |
| 335/123 |
Pawl and ratchet |
7 |
| 335/119 |
Plural armatures |
15 |
| 335/120 |
With interlocking or mechanical connection |
7 |
| 335/127 |
Simultaneously actuated |
24 |
| 335/128 |
By pivotal or rockable armature |
314 |
| 335/130 |
Movable contacts on circular card or comb structure |
27 |
| 335/129 |
Movable contacts or slidable card bar or comb |
75 |
| 335/131 |
By reciprocating armature |
194 |
| 335/132 |
With adjustable, replaceable or interchangeable structural features |
372 |
| 335/136 |
With plural magnet or coil means |
22 |
| 335/137 |
Of diverse type |
4 |
| 335/87 |
Periodic (e.g., vibrators) |
2 |
| 335/91 |
Actuating magnet structure or material |
2 |
| 335/92 |
Plural magnets |
1 |
| 335/95 |
Armature |
1 |
| 335/96 |
Adjustable |
1 |
| 335/97 |
Contact arrangement or composition |
3 |
| 335/98 |
Adjustable contacts |
0 |
| 335/88 |
Plural periodic switches or with plural pairs of contacts |
5 |
| 335/89 |
Selectively, alternately, or consecutively actuated |
5 |
| 335/93 |
Vibratory reed or other periodic contact actuator |
4 |
| 335/94 |
Tuned or resonant at a particular frequency |
0 |
| 335/90 |
With vibrating or oscillating element damping, frequency adjusting or vibration control |
6 |
| 335/159 |
Plural independently operable switches |
34 |
| 335/160 |
Interlocking |
43 |
| 335/161 |
With cooperative-actuating means |
21 |
| 335/162 |
With unitary housing, support or flux path |
22 |
| 335/163 |
With unitary or common magnetic flux source |
4 |
| 335/177 |
Plural magnets or flux sources |
72 |
| 335/183 |
Magnetic fields or torques acting alternately in opposite directions |
15 |
| 335/178 |
Of diverse electrical characteristics |
7 |
| 335/179 |
Of diverse magnetic characteristics (e.g., permanent plus electromagnet) |
92 |
| 335/180 |
With common core or single armature |
13 |
| 335/182 |
Magnetic fields opposing (e.g., differential) |
13 |
| 335/181 |
Pivoted armature |
28 |
| 335/184 |
With plural reciprocating armatures aligned or rigidly connected |
6 |
| 335/78 |
Polarity-responsive |
543 |
| 335/80 |
Armature structure |
172 |
| 335/82 |
Floating (i.e., no fixed pivot) |
20 |
| 335/81 |
Freely movable within coil or magnetic field between poles |
58 |
| 335/83 |
Contact structure of composition |
146 |
| 335/84 |
Magnetic structure (e.g., saturable) |
32 |
| 335/85 |
Pole structure |
59 |
| 335/79 |
Storage or memory type (e.g., bistable) |
54 |
| 335/86 |
With adjusting means |
37 |
| 335/4 |
Radio frequency switch (e.g., t/r switch) |
54 |
| 335/5 |
With coaxial components |
35 |
| 335/59 |
Retarded or delayed type |
23 |
| 335/67 |
Adjustable or regulatable |
2 |
| 335/66 |
Electrothermal delay means |
2 |
| 335/60 |
Plural sets of contacts alternately, consecutively or selectively opened or closed |
8 |
| 335/62 |
With hydraulic delay means |
9 |
| 335/63 |
With magnetic or electromagnetically actuated delay means |
16 |
| 335/64 |
With mechanical delay means |
5 |
| 335/65 |
Motor or motor-controlled (e.g., clockwork) |
2 |
| 335/61 |
With pneumatic delay means (e.g., dashpot, etc.) |
19 |
| 335/138 |
Step-by-step type (e.g., closure responsive to predetermined number of control pulses |
8 |
| 335/140 |
Ratchet and pawl-type actuator |
10 |
| 335/139 |
With timing or indexing means (e.g., clock mechanism) |
3 |
| 335/204 |
Through conductor type (i.e., conductor field actuates armature) |
5 |
| 335/172 |
Tripping means |
309 |
| 335/174 |
Magnetically operated |
100 |
| 335/175 |
Utilizing hammer or other impacting means |
41 |
| 335/176 |
With adjusting or regulating means |
86 |
| 335/173 |
Plural diverse (e.g., manual plus electromagnet) |
41 |
| 335/47 |
Utilizing conductive liquid (e.g., mercury) |
47 |
| 335/55 |
Armature structure |
9 |
| 335/56 |
Comprising freely movable floating slug or mass |
10 |
| 335/48 |
Comprising three or more electrodes or circuit-completion means |
4 |
| 335/57 |
Contact or electrode structure |
12 |
| 335/58 |
Mercury or mercury wetted |
47 |
| 335/49 |
With liquid-displacement means |
23 |
| 335/50 |
Comprising plural interconnected liquid containers |
3 |
| 335/51 |
Magnetic |
19 |
| 335/52 |
Piston or plunger |
11 |
| 335/53 |
Combined with timing or delay means |
3 |
| 335/54 |
Tiltable or rotating liquid chamber |
6 |
| 335/3 |
Utilizing magnetostrictive elements |
9 |
| 335/151 |
Vacuum or hermetically sealed type (e.g., reed switch) |
153 |
| 335/154 |
Armature, contact or contact-actuating means (e.g., sealed reed) |
101 |
| 335/152 |
Plural |
38 |
| 335/153 |
With permanent magnet structure |
63 |
| 335/201 |
With arc-suppression or extinguishing means |
172 |
| 335/203 |
With armature structure |
45 |
| 335/141 |
With electrothermal-actuating means (e.g., expansible wire) |
6 |
| 335/145 |
Bimetallic element |
16 |
| 335/142 |
Fusible element |
9 |
| 335/143 |
Independently operative |
0 |
| 335/146 |
Thermomagnetic (e.g., device whose magnetic permeability changes with temperature) |
23 |
| 335/144 |
With armature positioning or adjusting |
2 |
| 335/202 |
With housing or support means |
604 |
| 335/166 |
With latch- or trip-reset means |
64 |
| 335/68 |
With motor |
51 |
| 335/71 |
Contact actuating structure |
20 |
| 335/76 |
Comprising energy storage means (e.g., wound spring) |
26 |
| 335/73 |
Eccentric or cam |
9 |
| 335/74 |
Including brake, clutch or detent |
8 |
| 335/75 |
Magnetically actuated |
12 |
| 335/72 |
Plural contacts |
11 |
| 335/70 |
Frequency-responsive or synchronous |
3 |
| 335/69 |
Reversible or oscillatable |
7 |
| 335/77 |
With locking, latch or tripping structure |
11 |
| 335/157 |
With operation-inhibiting means (shock resistant) |
21 |
| 335/158 |
From open position |
4 |
| 335/155 |
With predetermined current or voltage value-responsive actuator |
8 |
| 335/156 |
With protective means for switch or contacts |
31 |
| 335/209 |
Magnets and electromagnets |
53 |
| 335/283 |
Blade sharpening or conditioning type magnets |
2 |
| 335/219 |
Combined with diverse-type art device |
83 |
| 335/210 |
Electron or ion beam deflecting type |
415 |
| 335/212 |
With adjustable magnetic element (e.g., to change the air gap, or its position on the cathode ray tube) |
162 |
| 335/213 |
With coil structure |
345 |
| 335/214 |
With electric or magnetic-shielding means |
84 |
| 335/211 |
With magnetic shunt |
82 |
| 335/284 |
For magnetizing or demagnetizing |
210 |
| 335/296 |
Magnet structure or material |
361 |
| 335/299 |
Coil structure or material |
451 |
| 335/300 |
With cooling means |
112 |
| 335/297 |
Core structure |
171 |
| 335/298 |
Movable or adjustable cores |
84 |
| 335/302 |
Permanent magnets |
305 |
| 335/303 |
Enclosed in flexible plastic, cloth or tape |
114 |
| 335/305 |
Magnetic plug type (e.g., crankcase plug) |
26 |
| 335/306 |
Plural magnets |
508 |
| 335/304 |
With flux leakage-reducing means |
96 |
| 335/301 |
With electric- or magnetic-shielding means |
248 |
| 335/215 |
Magnetostrictive-type device |
57 |
| 335/216 |
Superconductive type |
745 |
| 335/217 |
Temperature-responsive type (e.g., temp. compensation means) |
40 |
| 335/218 |
With time-delay means |
2 |
| 335/220 |
With magneto-mechanical motive device (e.g., electromagnet with armature) |
147 |
| 335/243 |
Alternating current type |
7 |
| 335/250 |
Coil construction or mounting means |
21 |
| 335/244 |
Flux phase displacement or varying means |
10 |
| 335/246 |
Plural winding type |
9 |
| 335/245 |
Shading coil |
17 |
| 335/247 |
With chatter- or noise-preventing means |
14 |
| 335/249 |
Special armature construction or mounting means (e.g., to assure positive seating of armature) |
12 |
| 335/248 |
Spring or cushion-type vibration absorber |
9 |
| 335/251 |
With plunger-type armature |
54 |
| 335/252 |
With vibrating armature |
5 |
| 335/279 |
Armature shape, structure or material |
144 |
| 335/280 |
Balls, filings or granular material |
18 |
| 335/270 |
Armature-mounting means |
55 |
| 335/275 |
Hinge joint type armature-mounting means |
23 |
| 335/276 |
Pivot support type armature-mounting means |
79 |
| 335/272 |
Rotating disk or cylindrical armature |
116 |
| 335/271 |
With armature bounce or vibration-preventing means |
41 |
| 335/273 |
With armature-adjusting means (e.g., means to adjust the relative distance between core and armature) |
43 |
| 335/274 |
With armature-biasing means or bias-adjustment means |
128 |
| 335/282 |
Coil shape, structure or material |
57 |
| 335/281 |
Core or pole shape, structure or material |
196 |
| 335/221 |
Frequency-responsive type |
4 |
| 335/265 |
Plural armatures actuated by single electromagnetic coil |
34 |
| 335/266 |
Plural coils or magnets control armature movement |
117 |
| 335/268 |
Coils or magnets being separately or selectively controllable |
64 |
| 335/267 |
With plural armatures |
33 |
| 335/227 |
Saturable magnetic type |
19 |
| 335/236 |
With a shunt path for magnetic flux |
54 |
| 335/237 |
Adjustable |
19 |
| 335/253 |
With armature latch means (e.g., means to retain armature in open or closed position |
53 |
| 335/254 |
With latch-control winding |
17 |
| 335/238 |
With auxiliary armature-movement control means (e.g., manual) |
24 |
| 335/278 |
With casing or enclosure |
132 |
| 335/269 |
With dynamically balanced armature |
7 |
| 335/228 |
With motion-conversion means (e.g., reciprocating to rotary motion) |
40 |
| 335/229 |
With permanent magnet |
296 |
| 335/230 |
Polarized electromagnet |
138 |
| 335/231 |
Varying alternating current amplitude responsive |
29 |
| 335/232 |
With plural armatures |
16 |
| 335/233 |
With armature-locking means |
6 |
| 335/234 |
With reversible magnetic flux-type movement (e.g., bistable type) |
170 |
| 335/235 |
With vibrating reed or spring bar-type armature |
9 |
| 335/255 |
With plunger-type armature |
166 |
| 335/261 |
Armature structure or material |
99 |
| 335/264 |
Sectional plunger |
16 |
| 335/262 |
With centering or aligning or guiding means |
124 |
| 335/263 |
With plunger rotation preventing means (e.g., means to prevent undesired rotation of the plunger during movement) |
21 |
| 335/256 |
Plural coils controlling a single armature |
79 |
| 335/259 |
Plural plungers |
28 |
| 335/258 |
With armature stroke adjustment |
75 |
| 335/260 |
With sealed enclosure (e.g., dust or moistureproof) |
67 |
| 335/257 |
With shock-absorbing means (e.g., means to absorb the shock of armature or plunger) |
71 |
| 335/222 |
With relatively movable coil and permanent magnet (e.g., d'arsonval type) position on the cathode ray tube) |
101 |
| 335/223 |
With relatively movable conductors (e.g., dynamometer) |
33 |
| 335/224 |
Induced current-type movable conductor (e.g., eddy current member) |
12 |
| 335/225 |
Rotating disk |
19 |
| 335/226 |
Short-circuited winding |
14 |
| 335/277 |
With shock absorption, vibration or bounce-preventing means |
74 |
| 335/239 |
With time delay armature-movement control means |
13 |
| 335/241 |
Auxiliary control coil |
1 |
| 335/240 |
Dashpot type |
20 |
| 335/242 |
With plural armatures selectively retarded |
7 |
| 335/285 |
Work or object holding type |
211 |
| 335/289 |
Electromagnet type (e.g., electromagnetic chuck) |
60 |
| 335/291 |
Lifting or attracting type (e.g., for lifting pigiron or pulling hairpins) |
37 |
| 335/293 |
Hand-held type |
4 |
| 335/292 |
Hermetically sealed or moisture-proofed |
11 |
| 335/294 |
With outer casing or housing |
20 |
| 335/290 |
With circuit control means |
18 |
| 335/288 |
Rotary-type magnetic chuck (permanent or electromagnet type) |
41 |
| 335/295 |
With magnetic-hold control means (e.g., means to control the hold strength) |
64 |
| 335/286 |
With workpiece to magnet adapted or fixture (e.g., to bridge flux) |
33 |
| 335/287 |
Angularly adjustable fixture |
5 |
| 335/205 |
Permanent magnet-actuated switches |
413 |
| 335/207 |
Plural magnets |
273 |
| 335/206 |
Plural switches |
140 |
| 335/208 |
Thermomagnetic |
34 |