Patents for H01H 3 - Mechanisms for operating contacts (17,842) |
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07/26/1988 | US4760224 Air circuit interrupter |
07/26/1988 | US4760220 For circuit interrupting apparatus |
07/20/1988 | EP0274974A1 Defrosting device for a roof window |
07/19/1988 | US4758919 Sectionalizer for spur lines |
07/19/1988 | US4758815 Tap element and methods, for heating, pressure measurement and circuit fabrication |
07/13/1988 | CN87214515U Remote control attachment for keyboard type switch |
07/12/1988 | US4757308 Position detector with snap action toggle |
07/12/1988 | US4757163 Switched patch module |
07/05/1988 | US4755781 Electrical switch for starters |
07/05/1988 | US4755642 Switching device |
07/05/1988 | US4755635 Electrical programmer |
06/29/1988 | EP0272349A1 Ultra-rapid circuit breaker assisted with semi-conductors |
06/29/1988 | CN87214174U Electricity-saving switch |
06/28/1988 | US4754362 Magnetically latching and current sensitive automatically unlatching switch assembly |
06/28/1988 | US4754107 Remotely operable master and slave switch |
06/28/1988 | US4754106 Double cammed push-button switch and methodology for operation of the same |
06/23/1988 | DE3642136A1 Electronic tripping device for switches (circuit breakers) which limit the short-circuit current |
06/22/1988 | EP0271982A2 Positive-positioning knob assembly |
06/22/1988 | EP0271510A1 High frequency electrical switch |
06/21/1988 | US4752660 Current limiting circuit breaker with an arc shearing plate |
06/21/1988 | US4752659 Arc interrupter |
06/21/1988 | US4752657 Proximity switch mounting apparatus |
06/21/1988 | US4752656 Switch device for controlling the power supply to an electric heater with one heater |
06/21/1988 | CA1238357A1 Switch limit assembly |
06/16/1988 | DE3740360A1 Switch having rapid release and the capability for positive opening of the contacts, especially for movement limiting devices |
06/16/1988 | DE3642383A1 Current-limiting switch |
06/15/1988 | EP0271124A1 Key board with a space bar with a leveling wire |
06/14/1988 | US4750375 Drive device for a circuit breaker with a ratchet wheel |
06/07/1988 | US4749967 High frequency electrical switch |
06/07/1988 | US4749167 Two position mechanism |
06/07/1988 | CA1237752A1 Emergency vehicle battery circuit breaker |
06/07/1988 | CA1237637A1 Foot pedal apparatus |
06/01/1988 | EP0269143A1 Timer with multiple safety assembly |
06/01/1988 | EP0268937A1 Electric contact device |
06/01/1988 | CN87206265U Independent pneumatically actuated mechanism |
05/26/1988 | DE3639166A1 Drive mechanism for electrical switches |
05/26/1988 | DE3638952A1 Electrical switch |
05/25/1988 | EP0268194A1 Electrical switching device |
05/25/1988 | EP0268057A1 Electric cam-operated switch with rotary and sliding drive |
05/25/1988 | CN87203935U Door controlling power-saving securing mechanism |
05/24/1988 | US4746778 Circuit breaker with an actuating device and an energy accumulator |
05/18/1988 | EP0267541A2 A keyboard |
05/18/1988 | EP0267211A1 Protection system for electrically-operated devices |
05/17/1988 | US4745260 Automatic switching apparatus for an electric appliance |
05/17/1988 | US4745250 Interlock switch baseplate assembly |
05/11/1988 | EP0267032A2 Vehicle sensing device |
05/10/1988 | US4743736 An iron |
05/10/1988 | US4743721 Circuit breaker actuator device |
05/10/1988 | CA1236508A1 Safety stop switch assembly |
05/04/1988 | EP0265883A2 Rotary switch |
05/03/1988 | US4742200 Actuating device for a low-voltage circuit breaker with a ratchet wheel |
05/03/1988 | US4742196 Elongate pressure-actuated electrical switch |
05/03/1988 | US4742193 Retaining device for hydraulic master cylinder switch |
05/03/1988 | US4742192 Steering wheel rim horn blow mechanism |
05/03/1988 | US4742189 Visco-elastic delayed actuator |
05/03/1988 | US4742188 Sliding electrical control |
04/27/1988 | CN87214024U Fully enclosed wall-type multiple-purpose light-adjusting and powersaving durable switch |
04/21/1988 | DE3634858A1 Switch handle (knob) |
04/19/1988 | US4739300 Rotary type electronic part |
04/19/1988 | US4739134 Valve monitoring switch assembly |
04/19/1988 | US4739131 Turn indicator switch cancelling mechanism |
04/19/1988 | CA1235446A1 Electro-mechanical devices incorporating fuse cartridges |
04/14/1988 | DE3633701A1 Electrical switch |
04/12/1988 | US4737749 Electromagnetic switchgear |
04/12/1988 | US4737603 For use in hazardous atmosphered |
04/12/1988 | US4736670 Remotely operated fluid power control system for automotive vehicle |
04/12/1988 | US4736514 Method of making electrical switch |
04/07/1988 | DE3740952A1 Key panel for typing and computer technology |
04/06/1988 | EP0262940A2 Circuit breaker with fast trip unit |
03/31/1988 | DE3631721A1 Stepping rotary switch |
03/30/1988 | EP0261851A2 Valve supervisory switch |
03/30/1988 | EP0261189A1 Protection cutting apparatus provided with an arc breaking screen. |
03/30/1988 | EP0247198A4 Alloy having improved fatigue crack growth resistance. |
03/30/1988 | CN87204128U Transmission for indoor isolating-grounding switch |
03/30/1988 | CN87200109U Reliable electric source for tripping operation in power substation |
03/29/1988 | US4734549 Touch sensor |
03/22/1988 | US4733035 Switch with device for preventing erroneous operation |
03/22/1988 | US4733028 Switch |
03/22/1988 | US4733026 Adjustable switch and actuator arm |
03/17/1988 | DE3630074A1 Regulating switch |
03/15/1988 | CA1234197A1 Method and construction for vehicle brake pedal and switch assembly |
03/10/1988 | WO1988001716A1 Welded contact safety technique |
03/10/1988 | WO1988001555A1 Robot overload detection mechanism |
03/09/1988 | CN87105132A Tensioner for accumulator gearing spring of electric breaker |
03/09/1988 | CN85108383B Tank type switchgear |
03/08/1988 | US4730092 Hydraulic driving device for an electric pressurized-gas switch |
03/08/1988 | US4730091 Alarm switch |
03/08/1988 | US4730090 Electrical switch having oppositely facing contactor |
03/08/1988 | US4729248 Lever arrangement for transmitting limited tilting motions |
03/08/1988 | CA1233863A1 Snap disc condition sensor and method for producing the same |
03/08/1988 | CA1233861A1 Ignition switch with self-adjusting headlamp dimmer |
03/03/1988 | DE3726739A1 Contact pressure-producing device especially for vacuum switches in a single-row or double-row arrangement |
03/03/1988 | DE3628669A1 Electrical push-button switch |
03/02/1988 | EP0257576A2 Method and apparatus for avoiding failures caused by contacts-welding in heating and cooling systems |
03/02/1988 | CN87105528A Press mechanism for drive spring of electric switch |
03/02/1988 | CN87104264A Circuit breaker with electrical disconnect means |
03/01/1988 | US4728921 Position indicator for an actuating drive |
03/01/1988 | US4728812 Oral machine controller |
03/01/1988 | US4728755 Rotary switch construction and method of making the same |
02/25/1988 | DE3627695A1 Electrohydraulic switching device |