| Patents for H01H 9 - Details of switching devices, not covered by groups (32,796) |
|---|
| 03/22/1977 | US4013989 Fusible electric control device |
| 03/22/1977 | US4013984 Current limiting circuit breaker |
| 03/22/1977 | US4013857 Illumination-type small-sized switch |
| 03/22/1977 | US4013847 No-load tap changer switch with rack and pinion gear operating mechanism |
| 03/15/1977 | US4012632 Discrete function advisory illumination |
| 03/15/1977 | US4012608 Miniature switch with substantial wiping action |
| 03/08/1977 | US4011425 Arc chute extension for increased interruption rating |
| 03/08/1977 | US4011424 Position indicator for drawout apparatus |
| 03/08/1977 | US4011420 Molded case circuit breaker with improved interrupting capacity |
| 02/01/1977 | US4006334 Safety switch for power tool |
| 02/01/1977 | US4006330 Circuit breaker arc chute having components of refractory inorganic material with surfaces of an amorphous fused material, a major proportion of which is silica, and method for making same |
| 02/01/1977 | US4006324 Electrical distribution panel lockout means for switch actuators |
| 02/01/1977 | US4005615 Reset for threaded enclosure |
| 01/25/1977 | US4005388 Hand-held interactive terminal |
| 01/25/1977 | US4005340 Apparatus for the current limiting interruption of currents at high voltages |
| 01/18/1977 | US4004260 Power relay |
| 01/18/1977 | US4004120 Switch bezel with visual indicator |
| 01/11/1977 | US4002961 Electronic switch for controlling the speed of a motor |
| 01/11/1977 | US4002950 Power transmission control system |
| 01/11/1977 | US4002874 Double-throw rocker switch with selective lockout means |
| 01/11/1977 | US4002872 Electrical switch housing detachably mountable on a gas valve structure |
| 01/04/1977 | US4001643 Method and apparatus for a power circuit breaker controller |
| 12/28/1976 | US3999287 Method of making a switch having a diode mounting feature |
| 12/21/1976 | US3999078 Interruption free inverter power supply |
| 12/14/1976 | US3997750 Waterproof switch |
| 12/14/1976 | US3997746 Circuit breaker with arc chamber screen |
| 12/07/1976 | US3996441 Switch with rocker actuator having detachable cover |
| 11/30/1976 | US3995132 Function indication means for electric switches |
| 11/30/1976 | US3995131 Switch mounting for marking instrument |
| 11/16/1976 | US3992601 Cover for disconnect switch |
| 11/16/1976 | US3992599 Interlock for arc chute of circuit maker and breaker |
| 11/09/1976 | US3991293 Switch for high-frequency currents, having modular construction |
| 11/09/1976 | US3991291 Enclosed circuit interrupter with door mounted control handle mechanism |
| 11/09/1976 | US3990754 Merchandising machine cabinet and shelf structure |
| 10/12/1976 | US3985985 Brake fluid level sensing system |
| 10/05/1976 | US3984733 Interlock safety switching circuit for X-ray appliance and the like |
| 10/05/1976 | US3984646 Limit switch actuator |
| 09/28/1976 | US3983353 Gas-filled high current bushing with forced cooling arrangement |
| 09/28/1976 | US3983346 Two-pressure gas circuit breaker with low pressure gas heating |
| 09/21/1976 | US3982137 Arc suppressor circuit |
| 09/14/1976 | US3980852 Adjustable high density cam-switch assembly |
| 09/14/1976 | US3980845 Circuit breaker operator with defeates interlock mechanism |
| 08/31/1976 | US3978304 Enclosed circuit interrupter including externally operable handle mechanism |
| 08/31/1976 | US3978300 Low-voltage circuit-breaker having small contact separation and small gap between cooperating parallel-arranged arcing-rails |
| 08/31/1976 | US3978298 Miniature switch having pivotal actuator with budging contact and position safety structure |
| 08/31/1976 | US3977749 Electronic packaging assembly |
| 08/17/1976 | US3975604 Modular electrical switch with split housing |
| 08/17/1976 | US3975603 Earthquake resistant switchgear |
| 08/10/1976 | US3974352 Switch assembly module with insertable actuators and switches |
| 08/10/1976 | US3974347 Switch assembly having rotatable, pivoted or slidable actuator and diode structure mounted between actuator contacts |
| 08/10/1976 | US3974346 Plural switch assembly having independent operators locked in position by cover interlock |
| 08/03/1976 | US3973096 Adjustable circuit-interrupter with improved support means |
| 07/27/1976 | US3971906 Trigger-lock control |
| 07/20/1976 | US3970808 Circuit interrupter having rotary switch operator and interlocking structure with two position mounting plate |
| 06/29/1976 | US3967189 Power supply for electronic circuits at high-voltage potential |
| 05/25/1976 | US3959756 Electrical switching device |
| 05/25/1976 | US3959695 Circuit interrupter with ground fault trip control |
| 05/25/1976 | US3959617 Conductive lubricant in switch actuator pivot for RFI elimination |
| 05/25/1976 | US3959609 Double action switch with blocking insert for one action |
| 05/18/1976 | US3958095 Disconnect switch |
| 05/18/1976 | US3958087 Switch structure |
| 05/18/1976 | US3957329 Fault-current limiter for high power electrical transmission systems |
| 05/11/1976 | US3956723 Current limiting circuit breaker |
| 04/27/1976 | US3953696 Actuator construction having releasable lock in actuated and deactuated positions |
| 04/27/1976 | US3953694 Magnetic-blast arc extinguishing device having permanent magnets |
| 04/20/1976 | US3952178 Switch construction |
| 04/13/1976 | US3950656 State detecting apparatus |
| 04/13/1976 | US3950628 Bellows type shorting switch |
| 04/13/1976 | US3950625 Safety switch for drill press using chuck key |
| 04/13/1976 | US3950053 Assembling unit for modular electrical apparatus |
| 04/06/1976 | US3949343 Grounded surface distribution apparatus |
| 03/30/1976 | US3947859 Electric circuit-breaker apparatus |
| 03/30/1976 | US3947792 Electromagnetic relay |
| 03/30/1976 | US3947791 Locking device having low control power for an electrical device |
| 03/30/1976 | US3947651 Electrical cartridge with interchangeable circuitry for the cap |
| 03/23/1976 | US3946346 Current limiting circuit breaker |
| 03/23/1976 | US3946277 Zero current switching circuitry |
| 03/23/1976 | US3946171 Multiple pushbutton switch assembly for telephone sets and the like |
| 03/16/1976 | US3944954 Excess current switching device |
| 03/16/1976 | US3944953 Current limiting circuit breaker |
| 03/16/1976 | US3944889 Short-circuit protection circuit |
| 03/16/1976 | US3944847 Electrical disconnect switch |
| 03/16/1976 | US3944774 Electric switch having a sealed casing |
| 03/09/1976 | US3943473 Current limiting circuit breaker |
| 03/09/1976 | US3943472 Current limiting circuit breaker |
| 03/09/1976 | US3943316 Current limiting circuit breaker |
| 03/09/1976 | US3943310 Male connector plug with improved switch mechanism |
| 02/17/1976 | US3939313 Rotary switch assembly having fixed contacts which may be selectively segmented |
| 02/03/1976 | US3936782 Automatic transfer switch |
| 02/03/1976 | US3936708 Trigger speed control switch with plastic pack semi-conductor |
| 01/27/1976 | US3935473 Solid state stack switch control system |
| 01/27/1976 | US3935407 Multiphase vacuum switch assembly having cam operated spring charging drive mechanism with lost motion connection |
| 01/20/1976 | US3934238 Differential pressure visual and audible warning signal device for hydraulic and pneumatic systems |
| 01/20/1976 | US3934174 Surge voltage protection for transfer switches for load-tap changers |
| 01/13/1976 | US3932716 Latch and switch actuator interlock safety structure for electronic component module operable during insertion and removal of connector members |
| 01/06/1976 | US3931486 Pendant switch assembly for hoists |