Patents for H01H 9 - Details of switching devices, not covered by groups (32,796) |
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10/17/1989 | US4874321 Adapter |
10/12/1989 | DE3907655A1 Transducer |
10/11/1989 | EP0336051A2 Circuit arrangement with an electro-mechanic programmed switching device and electronic evaluation circuit for apparatus |
10/11/1989 | CN2045892U Explosion-proof vacuum magnetic force starter |
10/11/1989 | CN2045889U Combined switch and alternative control system |
10/11/1989 | CN2045888U Push pull switch cabinet interlocking unit |
10/10/1989 | US4873448 Input circuit having a photo-coupler with bi-directional indicator |
10/10/1989 | US4873403 On-off switch system for a pair of conductors |
10/10/1989 | US4873402 Push-button switch with plunger and switching mechanism |
10/10/1989 | CA1262268A1 Infrared signaling system for detecting a predetermined state in a high voltage device |
10/05/1989 | DE3810327A1 Electrical switching device |
10/04/1989 | EP0335824A1 Current limiting switching device with electro-dynamically openable contact pieces |
10/04/1989 | EP0335823A1 Combination of switching apparatuses comprising a low-tension power circuit breaker and a current-limiting switching device |
10/04/1989 | EP0335700A2 Combined locking mechanism and switch |
10/04/1989 | EP0335002A2 Automatic transfer switch |
10/03/1989 | US4871890 Easily assembleable push-button switch |
10/03/1989 | US4871889 Arcing contact assembly for a circuit breaker |
09/26/1989 | US4870531 Circuit breaker with removable display and keypad |
09/26/1989 | CA1261958A1 Ground fault receptacle with compact component arrangement |
09/26/1989 | CA1261906A1 Remote control transmitter |
09/21/1989 | WO1989008924A1 Snap-action spring drive for load-reversing switches of multiple contact switches |
09/20/1989 | EP0333179A2 Improved trigger switch |
09/20/1989 | EP0332855A2 Improved hybrid relay |
09/20/1989 | CN2044761U Pullswitch with indication |
09/19/1989 | US4868382 Fiber-optic material sensing switch |
09/19/1989 | US4868356 Easily serviced fluid pressure operated switch |
09/19/1989 | US4868354 Slide switch with light guide |
09/13/1989 | CN2044370U Identified pulling switch |
09/13/1989 | CN2044368U Adjustable feed-back, message-leaving button switch |
09/13/1989 | CN1035582A Waterproof switch assembly for electrical appliances |
09/12/1989 | US4866408 Multiphase motor protector apparatus |
09/12/1989 | US4866403 Stationary contact for low-voltage circuit breakers |
09/12/1989 | US4866228 Key switch with multiple contact points |
09/12/1989 | US4866227 Sealed contact device |
09/12/1989 | US4866226 Multi-phase circuit breaker employing arc extinguishing apparatus |
09/12/1989 | US4866225 Insulated light weight metallic crossbar in polyphase circuit breaker assemblies for inhibiting arcing |
09/12/1989 | US4865556 Electrical switch device with non-metallic mounting straps and automatic grounding |
09/08/1989 | WO1989008345A1 Power-operated device with a cooling facility |
09/06/1989 | EP0331386A1 Control apparatus for switching a battery pack |
09/06/1989 | EP0331383A2 Electrical supply control apparatus |
09/06/1989 | EP0330956A1 Control gear mounting |
09/06/1989 | CN1035389A Protected electric switching apparatus and device for fixing same |
09/06/1989 | CN1035388A Seated contact arrangement in insulating material wall for step selector of step transformer |
09/05/1989 | US4864457 Method and device for controlling an electromagnet whose energization, by means of an ac current, causes engagement of two parts |
09/05/1989 | US4864157 Reduced arcing contact switching circuit |
09/05/1989 | US4864083 Reversing switch |
08/30/1989 | EP0330621A2 Current-limiting device |
08/30/1989 | EP0329920A1 Push button switch |
08/30/1989 | EP0329843A1 Casing for an electrical apparatus |
08/30/1989 | CN2043791U Locking device for h.v. live displaying |
08/30/1989 | CN2043787U Micro watt-consumption contactor |
08/30/1989 | CN2043785U Self-attraction push-button safety device |
08/29/1989 | US4862125 Electrical switching device with cover interlock |
08/29/1989 | US4862091 Circuit arrangement for testing the connecting lines of a switch or sensor |
08/29/1989 | US4861950 Multiple switch device having waterproof structure |
08/29/1989 | US4861948 Interlock switch with low energy operating mechanism |
08/23/1989 | CN1035020A Intergral soundless power economizer |
08/22/1989 | US4860162 Molded case and cover arrangement for current limiting circuit interrupters |
08/22/1989 | US4859819 Staged opening switch |
08/16/1989 | EP0328438A2 Apparatus and method for protecting the contacts of an electrical switch from current surges |
08/16/1989 | EP0327708A2 Device for releasing quick couplings securing modular apparata to supporting profiled elements |
08/16/1989 | CN1034834A Judge circuit for digital circuit cutout |
08/16/1989 | CN1034833A Frequency doubling circuit and frequency square circuit for digital circuit cutout |
08/15/1989 | US4857815 Switch for energizing an electric motor of a wiper system |
08/15/1989 | US4857681 Dead man-type electrical control device for power tools |
08/15/1989 | US4856658 Remote control unit holder assembly |
08/09/1989 | EP0327403A2 Condition monitoring system |
08/09/1989 | EP0327385A1 A mounting assembly for electrical device |
08/09/1989 | EP0326808A1 Levelling plate for the parallel alignment of front panel switches |
08/09/1989 | CN2042626U Three-purpose switch |
08/09/1989 | CN2042625U Fault-operation protective latching device for flexible transmitting machinery |
08/09/1989 | CN2042624U Automatic fault-operating protective blocking device for transformer substation |
08/09/1989 | CN2042623U Adjustable switch for lighting |
08/09/1989 | CN1034633A Rotary switch with curved surface guiding means for transferring arc-root |
08/08/1989 | US4855746 Multiple device remote control transmitter |
08/08/1989 | US4855612 Switching current and a relay device employed therein |
08/08/1989 | US4855611 Cable adapter with switch |
08/08/1989 | US4854885 Electrical outlet receptacle with non-metallic mounting strap and automatic grounding |
08/03/1989 | DE3802647A1 Device for indicating the switching condition of an overload circuit breaker |
08/03/1989 | DE3802588A1 Housing for an electromagnetic relay |
08/03/1989 | DE3546625C2 Electrical rotary switch having illumination |
08/02/1989 | EP0325767A2 Low-tension power circuit breaker with interchangeable contacts |
08/02/1989 | EP0325745A2 Device for indication of the operating position of multiposition-load-break switches |
08/02/1989 | CN2042242U Reversible ac contactor |
08/02/1989 | CN2042234U Permanent-magnet type explosion proof and waterproof push button |
08/02/1989 | CN2042233U Multifunctional mulfunction-preventing device for switch board |
08/01/1989 | US4853822 Circuit breaker |
08/01/1989 | US4852746 Orientation and storage apparatus for remote control unit |
08/01/1989 | CA1258085A1 Lockable switch means for electric cord |
07/26/1989 | EP0325139A2 Contact arrangement placed in an insulated wall for tap changers of tap transformers |
07/26/1989 | EP0325138A1 Method for attaching a contact part fixed in an insulator wall |
07/25/1989 | US4851804 Thermo-activating breaker |
07/25/1989 | US4851624 Control assembly having panel illumination means |
07/25/1989 | US4851621 Operating handle for an enclosed electric switch |
07/25/1989 | CA1257891A1 High speed current limiting circuit interrupter |
07/19/1989 | EP0324182A2 Control or indication device with a protective cover for the terminals |
07/18/1989 | US4849848 Circuit breaker |
07/18/1989 | US4849591 Protection cutting apparatus provided with an arc breaking screen |
07/18/1989 | US4849590 Electric switch with counteracting electro-electro-dynamic forces |
07/18/1989 | US4849589 Contact assembly for a circuit breaker |