| Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450) |
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| 01/17/1989 | CA1249002A1 Ground fault module for ground fault circuit breaker |
| 01/17/1989 | CA1249001A1 Motor safety switch |
| 01/11/1989 | EP0298092A1 Circuit breaker trip solenoid assembly. |
| 01/11/1989 | CN1030325A Electric switchgear |
| 01/10/1989 | US4797649 Circuit breaker actuated by shape memory alloy |
| 01/03/1989 | US4796154 Molded case circuit breaker with contact status indicating handle |
| 01/03/1989 | US4795996 Electronic sectionalizer with resettable actuator |
| 12/28/1988 | EP0296631A2 Apparatus for electrically operating a circit breaker |
| 12/28/1988 | CN88103427A Operating mechanism of miniature electrical circuit breaker |
| 12/28/1988 | CA1247680A Circuit breaker with replaceable rating plug interlock and push to trip button |
| 12/28/1988 | CA1247679A Current limiting solenoid operated circuit breaker |
| 12/27/1988 | US4794356 Molded case circuit breaker auxiliary switch unit |
| 12/20/1988 | CA1247176A1 Ganged circuit breaker arrangement |
| 12/20/1988 | CA1247171A1 Remotely controlled solenoid operated circuit breaker |
| 12/14/1988 | EP0295236A2 Hand operated on-off switch with electromagnetic release |
| 12/14/1988 | EP0295162A1 Magnetothermal release unit for circuit breaker or differential circuit breaker |
| 12/14/1988 | EP0295158A1 Control mechanism for a miniature electric switch |
| 12/14/1988 | EP0295155A1 Modular breaker with an auxiliary tripping block associated with a multipole breaker block |
| 12/14/1988 | EP0295131A2 An improved electric circuit breaker |
| 12/13/1988 | US4791394 Sensor-tripper apparatus for a circuit interrupter |
| 12/13/1988 | CA1246647A1 Circuit breaker having integral cover/handle assembly |
| 12/07/1988 | EP0293702A1 Electromagnetic release for a fault current protective switch |
| 12/06/1988 | US4789848 Molded case circuit breaker latch and operating mechanism assembly |
| 12/06/1988 | CA1246126A1 Circuit breaker with adjustable trip unit |
| 11/30/1988 | EP0292852A2 Remotely controllable circuit breaker |
| 11/30/1988 | EP0292850A2 Multipole ciruit breaker |
| 11/30/1988 | EP0292849A2 Electrical switchgear |
| 11/30/1988 | EP0292841A2 Circuit breaker |
| 11/30/1988 | CN88102711A Modular breaker of auxiliary interruper unit and many stage breaker connected |
| 11/29/1988 | US4788621 Molded case circuit breaker multiple accessory unit |
| 11/29/1988 | CA1245698A1 Circuit breaker design for high speed manufacture |
| 11/23/1988 | EP0291835A2 Temperature responsive device and circuit breaker |
| 11/23/1988 | EP0291668A1 Control mechanism for a load break switch |
| 11/22/1988 | US4786885 Molded case circuit breaker shunt trip unit |
| 11/22/1988 | US4786771 Circuit interrupter with two stage stopper preventing bounce back |
| 11/22/1988 | CA1245257A1 Reset mechanism for a rotary switch |
| 11/22/1988 | CA1245256A1 Circuit breaker with manual trip pin |
| 11/17/1988 | EP0291374A1 Trip bar for a multipole breaker block associated with an auxiliary trip block |
| 11/17/1988 | DE3714632A1 Electrical switching apparatus (switch gear) |
| 11/15/1988 | CA1244860A1 Polarized electromagnetic relay with magnetic latching for an electric circuit breaker trip release |
| 11/09/1988 | EP0289778A1 Load break switch |
| 11/08/1988 | CA1244510A1 Circuit breaker |
| 11/03/1988 | WO1988008614A1 Protective switching device with simplified tripping mechanism |
| 11/01/1988 | US4782240 For preventing overloading |
| 10/26/1988 | EP0288167A2 Thermal circuit breaker |
| 10/26/1988 | EP0287752A2 Electromagnetic switchgear with electromagnetic drive |
| 10/25/1988 | US4780697 Miniature circuit breaker with improved longevity |
| 10/13/1988 | DE3711138A1 Drive for the remotely controlled switching on and off of an automatic circuit-breaker |
| 10/13/1988 | DE3710530A1 Method for adjusting bimetallic strips |
| 10/13/1988 | DE3710520A1 Remote-controlled mechanism for protective (safety) switches (automatic circuit breakers) |
| 10/06/1988 | WO1988007755A1 Circuit breakers |
| 10/06/1988 | DE3807718A1 Housing for an electronic switch tripping unit |
| 10/05/1988 | EP0285340A2 Miniature circuit breaker with improved longevity |
| 09/28/1988 | EP0283820A1 Electromagnetic trip device |
| 09/13/1988 | US4771258 Molded case circuit breaker bimetal with high calibration yield |
| 09/13/1988 | US4771254 Circuit breaker magnetic trip unit |
| 09/13/1988 | CA1241987A1 Multi-pole molded case circuit breaker with a common contact operating crossbar member |
| 09/07/1988 | WO1988006801A1 Current-limiting circuit breaker |
| 09/07/1988 | EP0281443A1 Safety switch employing remotely controlled on/off positions |
| 09/07/1988 | CN88201065U High-pressure plunger oil-applying switch |
| 09/06/1988 | CA1241685A1 Molded case circuit breaker having a reinforced housing |
| 08/30/1988 | US4768025 Circuit breaker indicator |
| 08/30/1988 | US4768010 Latch and pivot mechanism for electronic sectionalizer mounting structure |
| 08/30/1988 | US4768007 Current breaking device with solid-state switch and built-in protective circuit breaker |
| 08/30/1988 | US4767900 Electric apparatus with a manual control switch with indication of the "on" and "off" positions |
| 08/24/1988 | EP0279363A2 Circuit breaker for fault current protection |
| 08/18/1988 | DE3721069A1 Multipole low-voltage automatic switch with manual switching on |
| 08/17/1988 | EP0278064A1 Magnet system for rapid disconnection |
| 08/16/1988 | US4764745 Slide switch with externally mounted protective circuit breaker |
| 08/16/1988 | US4764650 Molded case circuit breaker with removable arc chutes and disengageable transmission system between the operating mechanism and the poles |
| 08/09/1988 | US4763096 Device for adjusting the thermal current of a thermal bimetallic strip trip and a protection switch including such a device |
| 08/03/1988 | EP0276348A1 Tripping device with burning prevention switch |
| 08/02/1988 | US4761626 Circuit breaker |
| 08/02/1988 | CA1239966A1 Self regulated actuator |
| 08/02/1988 | CA1239959A1 Circuit breaker mechanism |
| 07/27/1988 | EP0276074A2 Circuit breaker with magnetic shunt hold back circuits |
| 07/27/1988 | EP0275750A1 Bipolar differential interrupter with fault indicator |
| 07/26/1988 | US4760384 Light-emitting diode indicator circuit |
| 07/26/1988 | US4760226 Split case circuit breaker with multi-purpose well |
| 07/26/1988 | US4760224 Air circuit interrupter |
| 07/26/1988 | CA1239692A1 Variable configuration switching device |
| 07/20/1988 | EP0274624A1 Protective circuit-breaking switch with a hand mechanism |
| 07/19/1988 | CA1239431A1 Single section circuit breaker having a metering shunt |
| 07/12/1988 | US4757416 Protective apparatus, methods of operating same and phase window adjusting apparatus for use therein |
| 07/12/1988 | US4757294 Combined trip unit and accessory module for electronic trip circuit breakers |
| 07/12/1988 | CA1239179A1 Circuit breaker mechanism |
| 06/29/1988 | EP0272457A1 Magnetic release for a selective operating circuit breaker |
| 06/29/1988 | CN87101151A Magnetic system for rapid interruption |
| 06/28/1988 | US4754362 Magnetically latching and current sensitive automatically unlatching switch assembly |
| 06/28/1988 | US4754247 Molded case circuit breaker accessory enclosure |
| 06/28/1988 | US4754246 Circuit interrupter |
| 06/28/1988 | US4754245 Multi-pole circuit interrupter |
| 06/28/1988 | US4754162 Timer controlled multipole circuit breaker |
| 06/23/1988 | DE3712677A1 Drive mechanisms for coupling electrical switching apparatuses |
| 06/23/1988 | DE3642471A1 Protection circuit breaker combination |
| 06/22/1988 | EP0271669A2 Mechanism for an earth fault current circuit breaker combined with a line circuit breaker |
| 06/22/1988 | CN87209711U Electrical leakage trip |
| 06/21/1988 | US4752755 Circuit breaker |
| 06/21/1988 | US4752660 Current limiting circuit breaker with an arc shearing plate |
| 06/16/1988 | DE3642383A1 Current-limiting switch |