| Patents for H01H 9 - Details of switching devices, not covered by groups (32,796) |
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| 01/25/1990 | DE3824590A1 Contact sensor |
| 01/24/1990 | CN2051777U Self-locking, plastic casing knife switch |
| 01/24/1990 | CN2051776U Pointer type pull-switch capable of indicating on/off state |
| 01/24/1990 | CN2051775U Arc blowing type switch for electric tools |
| 01/24/1990 | CN2051774U Luminous hint switch |
| 01/24/1990 | CN2051773U Handicraft switch and socket |
| 01/18/1990 | DE3922076A1 Electric switching element, in particular for attachment to the brake pedal of a motor vehicle |
| 01/17/1990 | EP0350828A2 Electrical installation apparatus with a contact-separating barrier |
| 01/17/1990 | EP0350825A2 Electrical switch gear |
| 01/17/1990 | EP0350823A2 Low-voltage switch gear |
| 01/17/1990 | CN2051392U Machinery electric switch |
| 01/17/1990 | CN2051391U Ratchet of vertical wheel pullswitch |
| 01/17/1990 | CN2051389U Eye-catching switch |
| 01/16/1990 | US4894631 Molded case circuit breaker actuator-accessory unit |
| 01/16/1990 | US4894497 High temperature pressure switch assembly for use with explosion-proof enclosures |
| 01/11/1990 | DE3823315A1 Insulating body between the live contacts of a contact spring set for electromagnetic relays |
| 01/10/1990 | CN2051011U Pullswitch |
| 01/10/1990 | CN2051010U Pullswitch with identifying on/off function |
| 01/09/1990 | US4893222 Illumination device for a hand-held remote control unit |
| 01/09/1990 | US4893048 Multi-gap switch |
| 01/03/1990 | EP0349445A1 Protection device against the effects of electromagnetic nuclear pulses |
| 01/03/1990 | EP0349393A1 Double action switch |
| 01/03/1990 | EP0349273A2 Apparatus and method for relay control |
| 01/03/1990 | EP0348679A2 Adjustable resistor, in particular for manual switches of electrical tools |
| 01/02/1990 | US4891618 Laminated copper assembly |
| 01/02/1990 | US4891477 Key switch |
| 12/27/1989 | CN1038373A Two-step arc extinguishing method for ac switches |
| 12/26/1989 | US4890186 Fault current limiting device |
| 12/26/1989 | US4890081 CT quick change assembly |
| 12/21/1989 | DE3919596A1 Load regulating switch |
| 12/21/1989 | DE3820461A1 Encapsulated switching relay |
| 12/20/1989 | CN2049820U Pull switch capable of display switch state |
| 12/20/1989 | CN1038188A Medium-voltage electric switch with sealed case |
| 12/20/1989 | CN1038179A Control system and device for contactor appratus |
| 12/19/1989 | US4888661 Circuit and apparatus for the protected supply of a load by means of static and electromechanical switches |
| 12/14/1989 | DE3818864A1 Current interrupter with an arc bounding device |
| 12/13/1989 | EP0346249A1 Low-voltage current-limiting circuit breaker with a sealed arc chamber |
| 12/13/1989 | EP0345412A2 Remotely controllable circuit breaker with improved arc drive structure |
| 12/13/1989 | CN2049417U Program control gang lock for handcart type swtich cabinet |
| 12/13/1989 | CN2049403U Automatic control system of dry reed pipe capable of direct connecting to main supply |
| 12/13/1989 | CN2049400U Energy-saving pull switch |
| 12/13/1989 | CN2049399U Pull switch operated by sound |
| 12/13/1989 | CN2049398U Position changing mechanism of single phase pull switch |
| 12/12/1989 | US4887056 Magnet switch for a starter |
| 12/07/1989 | DE3818665A1 Electrical fuse unit |
| 12/06/1989 | EP0345029A2 A switch incorporating NCAP liquid crystal |
| 12/06/1989 | EP0344569A2 Electronic switching device, particularly proximity switch |
| 12/06/1989 | CN2049016U Double mode multifunctional switch with pullswitch and press button |
| 12/06/1989 | CN2049015U Pullswitch for distinguishing state |
| 12/06/1989 | CN2049014U On or off distinguishable pullswitch |
| 12/05/1989 | US4885654 Device for arcless switching of electrical circuits |
| 12/05/1989 | US4885561 Transformer overload and fault protection apparatus |
| 12/05/1989 | US4885441 Circuit Breaker |
| 11/30/1989 | DE3913185A1 Current-pulse thyristor triggering |
| 11/29/1989 | CN2048620U Common safety trip lock |
| 11/28/1989 | US4883931 High pressure arc extinguishing chamber |
| 11/28/1989 | US4883927 Locking arrangement for two switchgears |
| 11/28/1989 | CA1263469A1 Electric switch for protector apparatus such as a breaker |
| 11/28/1989 | CA1263468A1 Circuit interrupter using arc commutation |
| 11/23/1989 | EP0342327A1 Apparatus switch |
| 11/23/1989 | DE3817227A1 Pressure equalising element for an electrical switching apparatus |
| 11/22/1989 | CN2048235U Variable-voltage switch of save on electric power |
| 11/21/1989 | US4882556 Multi-pole circuit interrupter |
| 11/21/1989 | US4882458 Switch device for activating and deactivating an electrically operated driving member of an appliance |
| 11/21/1989 | US4882456 Locking device for electrical switch or circuit breaker handle |
| 11/21/1989 | US4881320 Method of making vented seal for electronic components and an environmentally protected component |
| 11/21/1989 | CA1263132A1 Electromagnetic switching apparatus with interchangeable switches |
| 11/15/1989 | EP0341690A2 Switch with contacts |
| 11/15/1989 | CN2047835U timing lighting switch |
| 11/15/1989 | CN2047834U Multigang switch and on-off indicator |
| 11/14/1989 | US4880949 Switch drive for a rotary switch |
| 11/14/1989 | US4880948 Contactor device for circuit breaker |
| 11/14/1989 | CA1262929A1 Hand held electric hair dryer |
| 11/08/1989 | EP0341070A2 A control unit for a man-rider crane |
| 11/08/1989 | CN2047443U Luminous switch |
| 11/08/1989 | CN2047440U Self-locking type electrical appliance automatic turnoff switch |
| 11/08/1989 | CN1037042A Keyboard scanner apparatus and method |
| 11/07/1989 | US4879443 Waterproof switch assembly for electrical appliances |
| 11/07/1989 | US4879438 Lock-on/lock-off switch for power tool |
| 11/02/1989 | EP0339131A2 Electric switch with counteracting electro-dynamic forces |
| 11/02/1989 | DE3812586A1 Adaptor for busbars |
| 11/01/1989 | CN2047061U Combined luxury electrical equipment switch |
| 10/31/1989 | US4878055 Remote control device |
| 10/31/1989 | US4878000 Improved trigger-type control switch for D.C. motors |
| 10/31/1989 | US4877931 Switch having a visable indicator |
| 10/31/1989 | US4877930 Sealed push-button switch and method of assembly |
| 10/31/1989 | US4877929 Breaking device for multipole electrical circuit breaker with multiple contacts |
| 10/31/1989 | US4877928 Release mechanism for a high speed circuit breaker |
| 10/25/1989 | EP0338969A2 Switch gear cubicle with a low tension switch apparatus |
| 10/25/1989 | EP0338353A2 Electrical installation equipment |
| 10/25/1989 | EP0338338A2 Switchgear cabinet for wall mounting |
| 10/25/1989 | CN2046682U Three-pole knife switch with protecting wire holder |
| 10/25/1989 | CN2046679U Overcurrent protecting contactor without arc |
| 10/24/1989 | US4876424 Barrier with a venting scheme for a circuit breaker |
| 10/24/1989 | US4876422 Waterproof switch |
| 10/24/1989 | US4876421 Asbestos-free arc-confining insulating structure |
| 10/19/1989 | WO1989009997A1 D.c. reversing switch |
| 10/18/1989 | EP0336948A1 Electric switch actuating mechanism |
| 10/18/1989 | CN1005509B Control arrangements for electromagnetic suitches |
| 10/17/1989 | US4874913 Luminous element holding structure for an illuminated key switch |