| Patents for H02H 11 - Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result (2,416) |
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| 08/24/1988 | CN87100568A Power on/off protector for household electric appliances |
| 08/10/1988 | CN87216877U Energy-saving protector for refrigerator |
| 08/10/1988 | CN87216309U Delayed voltage-limiting protector for domestic electrical equipment |
| 08/03/1988 | CN87203667U Power source automatic controlling protector for refrigerator |
| 07/12/1988 | US4757250 Three-conductor booster cable assembly |
| 07/06/1988 | CN87206393U Multifunction safety device of refrigerator |
| 07/06/1988 | CN87204504U Multifunction full automatically safety device of refrigerator |
| 07/05/1988 | US4755902 Electronic apparatus with detachable member arranged to detect erroneous mounting of the detachable member |
| 06/29/1988 | CN87204357U Four-function integrated circuit automatic protector for refrigerator |
| 06/14/1988 | US4751653 Fault detector for a three-phase alternating current supply |
| 05/11/1988 | CN87200492U Automatic man-apparatus preventer for domestic electric-appliance |
| 05/04/1988 | CN87203013U Socket style protector for refrigerator |
| 04/27/1988 | CN87207019U Time-delay protector for refrigerator |
| 04/05/1988 | US4736265 Ground fault current interrputer circuit |
| 04/05/1988 | US4736145 Electric control apparatus for equipment |
| 03/30/1988 | EP0261541A1 Switching device for the power supply of an electrical apparatus |
| 03/22/1988 | US4733326 Protective arrangement for an electromagnetic load |
| 03/16/1988 | EP0259845A2 Protection against inverted polarity and AC for DC-operated electrical loads |
| 03/15/1988 | US4731549 Current sensor and control device |
| 02/16/1988 | US4725764 Switch arrangement |
| 02/10/1988 | CN86206840U Electrical safety cut-off with distinguishing capacity between live wire and zero line |
| 01/07/1988 | DE3621141A1 Start inhibit for electrical appliances after a failure of the mains voltage |
| 12/29/1987 | US4716309 Static relay for low DC voltages |
| 12/16/1987 | CN86210733U Protective device for compressed freezer by cutting off electricity supply |
| 12/12/1987 | CN86209229U Simple protector for refrigerator |
| 12/03/1987 | DE3618500A1 Circuit arrangement for polarity-reversal protection |
| 12/01/1987 | US4710685 Vehicle power window control circuit with reverse battery protection |
| 11/24/1987 | US4709164 Circuit for the continuous watching of the grounding resistance of electrical appliances |
| 10/29/1987 | DE3613630A1 Circuit arrangement for protection against reverse voltage on the mains connection of electrical apparatuses |
| 10/22/1987 | DE3611884A1 Hand tool, especially a screwdriver, driven by a rechargeable battery (accumulator) |
| 10/03/1987 | CN86206754U Transistor time relay for refrigerator |
| 10/03/1987 | CN86206560U Multifunctional automatic protective device for household electric appliances |
| 09/22/1987 | US4695708 Electric cooker |
| 08/25/1987 | US4689711 Monolithically integrated, polarity-reversal protected circuit |
| 08/25/1987 | US4689684 Discharge protecting circuit for a television receiver |
| 07/22/1987 | EP0229044A1 A method and device for detection of an electric load |
| 07/22/1987 | CN86106191A Replacing ground wire by "reliable neutral wire" or "reliable safety wire" for safeguarding application of electricity |
| 07/16/1987 | DE3600864A1 Circuit arrangement with means for setting the correct polarity of a telephone connection line |
| 06/23/1987 | US4675769 Preventing operating power from being supplied to a computer module board |
| 06/10/1987 | EP0224711A1 Method for the switching failure protected actuation of circuit breakers of a switch gear installation |
| 06/10/1987 | EP0130184B1 Coil and coil driver control apparatus |
| 05/19/1987 | US4667264 Apparatus for controlling the starting of a three phase load with its normal phase sequence |
| 03/25/1987 | CN85205614U Machine tool protecting appliance |
| 03/10/1987 | US4649288 Pre-start warning system and machine incorporating such system |
| 03/10/1987 | CA1219069A1 Low voltage protection circuit |
| 03/04/1987 | CN86201564U Instantaneous electricity supply protector for refrigerator and air conditioner |
| 03/03/1987 | US4647838 Phase controller |
| 12/23/1986 | US4631624 Time delay undervoltage release |
| 12/17/1986 | EP0204930A1 Protective device for an electromagnetic load |
| 12/03/1986 | EP0203410A2 Aircraft current supply device |
| 10/28/1986 | US4620109 Boat trailer light de-energization means |
| 10/15/1986 | EP0197436A2 Switch assembly |
| 09/23/1986 | US4613873 Printer with supply voltage control circuit |
| 08/20/1986 | EP0191046A1 Circuit for continuously controlling the grounding resistance of electric apparatuses. |
| 08/13/1986 | CN85203477U Small-size solenoid-operated blocking device |
| 06/24/1986 | CA1206522A1 Mains voltage discrimination device |
| 05/07/1986 | EP0180506A1 Security device for a differential current-protection apparatus |
| 04/29/1986 | CA1203880A1 System for error-protected operation of multipanel power distribution network switches |
| 04/24/1986 | WO1986002500A1 A method and device for detection of an electric load |
| 04/23/1986 | EP0178865A2 Television receivers |
| 02/27/1986 | WO1986001299A1 Circuit for continuously controlling the grounding resistance of electric apparatuses |
| 02/18/1986 | CA1200883A1 Coil and coil driver control apparatus |
| 01/02/1986 | EP0166206A2 Method and device for actuating - with protection against false connection - of a switchboard plant with multiple switchboard sections in an electric energy distribution network |
| 12/31/1985 | US4562359 Switching arrangement for electrical installations |
| 12/18/1985 | EP0164770A1 Static relay for low-voltage direct current |
| 12/03/1985 | CA1197600A1 Safety device |
| 11/27/1985 | EP0162376A2 Switching error protective apparatus or the like |
| 10/08/1985 | US4546305 For adapting a load to a lower or an upper alternating voltage range |
| 07/30/1985 | US4532569 Method and apparatus for detecting improper polarity in a power distribution system |
| 07/30/1985 | CA1191203A1 Non-grounding checking system |
| 07/24/1985 | EP0149046A2 Control arrangement for circuit breaker |
| 06/11/1985 | US4523248 Safety circuit for a detachable connecting cable |
| 05/28/1985 | US4520419 Polarity and overload protective circuit for electric consumers |
| 05/15/1985 | EP0141166A2 Switch arrangement for electrical tools |
| 05/14/1985 | US4517618 Protection circuitry for high voltage drivers |
| 04/16/1985 | US4511947 Coil and coil driver control apparatus |
| 03/26/1985 | US4507703 System for error-protected operation of multipanel, power distribution network switches |
| 03/19/1985 | US4506260 Ground assurance circuit |
| 01/29/1985 | US4497010 Abnormality detecting device |
| 01/29/1985 | US4496941 For supplying current to a load |
| 01/09/1985 | EP0130184A1 Coil and coil driver control apparatus. |
| 01/08/1985 | US4492878 Electrical line reversal and protection system |
| 12/11/1984 | US4488107 Electrical safety device for controlling a printing machine |
| 11/07/1984 | EP0123814A1 Circuit for limiting inrush current |
| 10/23/1984 | CA1176676A1 Protective method and circuit arrangement for sheathed heating element |
| 10/03/1984 | EP0120103A1 Circuit for preventing two or more ac switches from conducting simultaneously |
| 09/25/1984 | US4473757 Circuit means for converting a bipolar input to a unipolar output |
| 09/11/1984 | US4471400 Protection of appliances against reversal of battery polarity |
| 08/14/1984 | US4466040 Safety device |
| 07/19/1984 | WO1984002808A1 Coil and coil driver control apparatus |
| 07/03/1984 | US4458283 Static protective relay |
| 06/12/1984 | US4454555 Voltage sensing and load measuring automatic reclosing system for d-c circuit breakers |
| 06/05/1984 | US4453192 Protective device for three phase inductances |
| 05/29/1984 | US4451865 Electrical cutout for under voltage or power loss conditions |
| 05/29/1984 | US4451778 Short-circuit-resistant trigger circuit layout for an electrical consumer |
| 05/16/1984 | EP0108293A1 Protective circuit arrangement for a high-voltage switchgear installation |
| 05/08/1984 | US4447844 Electrical safety switch for electrical appliances |
| 03/27/1984 | US4439805 For use with a magnetic tape unit |
| 03/21/1984 | EP0103151A2 Method of operating an electric-energy distribution installation |
| 03/21/1984 | EP0103137A2 Method and apparatus for operating with commutation fault protection a commutation installation composed of several commutation fields, in an electric energy distribution network |