Patents for H02H 5 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (5,568) |
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04/30/2002 | US6381112 Reset lockout for circuit interrupting device |
04/25/2002 | WO2002033800A1 Circuit arrangement for driving a load |
04/25/2002 | US20020048129 Systems and methods for a safety circuit for an electric motor |
04/25/2002 | US20020047006 Control system for bathers |
04/24/2002 | CN2488212Y Over-temp protecting circuit for liquid crystal rear-projection television set |
04/17/2002 | CN2487104Y Heat fuse |
04/09/2002 | US6369369 Soft electrical textile heater |
04/04/2002 | US20020038795 Power supply apparatus |
04/02/2002 | US6364619 Sealed compressor with temperature feedback to motor protector unit |
03/28/2002 | US20020038169 Control system for bathers with ground continuity and ground fault detection |
03/27/2002 | EP1190474A2 Controller protective device for a dual-voltage electric system |
03/27/2002 | CN1341860A Device and method for determining local short-circuit |
03/14/2002 | US20020030953 Circuit interrupting system with independent trip and reset lockout |
03/13/2002 | EP1187288A2 Device and method for determining rare short circuit |
03/07/2002 | US20020027758 Overcurrent protection for the series fuse |
03/07/2002 | DE10040092A1 Schaltungsanordnung zur Erkennung eines Fehlerzustands Circuit arrangement for the detection of an error condition |
03/04/2002 | CA2356778A1 Device and method for determining rare short circuit |
02/28/2002 | WO2002017456A2 Protective relay |
02/28/2002 | US20020024784 Protective relay |
02/28/2002 | CA2420421A1 Protective relay |
02/27/2002 | EP1134865A9 Detecting wire break in electrical network |
02/21/2002 | WO2002015392A2 Circuit configuration for identifying a faulty state |
02/21/2002 | WO2002015357A1 Protective circuit for protecting an electric circuit from excessive currents or voltages |
02/20/2002 | CN1079573C Method and device for preventing explosions and fires in electrical transformers |
02/19/2002 | US6349022 Latching protection circuit |
02/19/2002 | US6348851 Breaker switch and battery including the same |
02/14/2002 | US20020018330 Series protection device for a telephone line |
01/31/2002 | US20020012211 Shock hazard protection system |
01/30/2002 | EP1131982A4 Multi-conductor soft heating element |
01/24/2002 | US20020008951 Device and method for determining rare short circuit |
01/23/2002 | EP1004130B1 Fuse element for electrical systems and a method and circuit for operating a fuse element |
01/22/2002 | US6340878 Silicon equivalent PTC circuit |
01/17/2002 | US20020006022 Circuit breaker with independent trip and reset lockout |
01/16/2002 | CN2472369Y Overheat protector for wiring holder |
01/16/2002 | CN2472237Y Cutoff instrument for declined kilowatt meter |
01/15/2002 | US6339310 Motor driving control device |
01/13/2002 | CA2313993A1 Apparatus for preventing thermal damage to an electrical power transformer |
01/10/2002 | US20020003686 IDCI with reset lockout and independent trip |
01/09/2002 | EP1019934B1 Circuit arrangement and process for operating a safety fuse |
01/09/2002 | CN1077733C Semiconductor integrated circuit device with overheating protector and protection method |
01/02/2002 | EP1166419A1 Power line protection devices and methods for providing overload protection to multiple outputs |
01/01/2002 | US6335577 Power supply control unit and power supply control method |
12/19/2001 | CN2466785Y Capacitor overpressure protection device |
12/19/2001 | CN1327603A Silicon equivalent PTC circuit |
12/19/2001 | CN1076531C Electronic protection system and circuit comprising said system |
12/05/2001 | CN1325166A Sealed compressor with temp. feed-back provided to motor protector |
12/05/2001 | CN1075902C Over-heated fuse cut out for electronic component |
12/04/2001 | US6326598 Non-intrusive fault location system for an overheat detection system |
11/29/2001 | US20010047227 System for reducing disaster damage |
11/28/2001 | EP1158641A2 Sealed compressor with temperature feedback to motor protector unit |
11/28/2001 | EP1158640A1 Serial protection device for data or energy transmission line |
11/28/2001 | CN1075664C Electromechanical switching device and arrangement with several such devices |
11/15/2001 | DE10122662A1 Relay with temperature sensor, has control and evaluation unit that combines electromagnet system coil electrical resistance signal(s) with associated temperature value |
11/08/2001 | US20010038518 Contol circuit for semiconductor device with overheat protecting function |
11/07/2001 | CN2458798Y Pressure circuit beaking protecting and warning device |
11/01/2001 | US20010036049 Circuit interrupting device with reverse wiring protection |
10/31/2001 | CN2457773Y Transformer protector |
10/31/2001 | CN2457772Y Over temperature alarm for power supply equipment |
10/25/2001 | WO2001080394A1 Systems and methods for a safety circuit for an electric motor |
10/25/2001 | WO2001080321A1 Device for protecting a photovoltaic module against hot spots and photovoltaic module equipped with same |
10/25/2001 | WO2001045224A3 Controller protective device for a dual-voltage electric system |
10/25/2001 | US20010033473 Nonflammable and disaster prevention type capacitor |
10/25/2001 | DE10017837A1 Mains isolation device for isolating mains voltage from load, has control circuit to detect resistance of load and to control drive circuit which switches circuit breaker |
10/25/2001 | CA2406449A1 Device for protecting a photovoltaic module against hot spots and photovoltaic module equipped with same |
10/24/2001 | EP0906484B1 Electric switch with static current monitoring |
10/17/2001 | EP1145264A1 Silicon equivalent ptc circuit |
10/10/2001 | EP1143464A2 Nonflammble and disaster prevention type capacitor |
10/10/2001 | EP1142068A1 Adaptive/reactive safety plug receptacle |
10/10/2001 | CN1316754A Nonflammable and fire-proof type capacitor |
10/05/2001 | CA2343097A1 Nonflammable and disaster prevention type capacitor |
10/04/2001 | US20010026431 Transient voltage surge suppressor |
10/04/2001 | US20010026134 Current-carrying control device and electric power steering apparatus |
09/20/2001 | WO2001015183A3 Circuit breaker with independent trip and reset lockout |
09/19/2001 | EP1134865A2 Detecting wire break in electrical network |
09/13/2001 | WO2001067418A2 Electrical injury protection system using radio frequency transmission |
09/12/2001 | EP1131982A1 Multi-conductor soft heating element |
09/12/2001 | EP1131872A1 Electric stator device for an internal combustion engine |
09/11/2001 | US6288882 Circuit breaker with independent trip and reset lockout |
09/05/2001 | CN1070646C Protection elements and method for protecting circuit |
08/28/2001 | US6282370 Control system for bathers |
08/28/2001 | US6282070 Circuit interrupting system with independent trip and reset lockout |
08/22/2001 | EP1126572A2 Arc fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same |
08/15/2001 | CN2443521Y High-frequency soft switch power temp. -controlled current limiter |
08/01/2001 | EP1120805A2 Current-carrying control device and electric power steering apparatus |
08/01/2001 | CN2441251Y Electric fire disaster pre-alarming safety device |
07/31/2001 | US6268986 Motor control unit |
07/25/2001 | CN1068993C Electric motor with means for preventing thermal overload |
07/24/2001 | US6266579 System for reducing disaster damage |
07/24/2001 | US6266221 Process-independent thermal protection circuit for microelectronic circuits |
07/24/2001 | US6265961 Thermal protector |
07/12/2001 | WO2001050566A1 An improved electronic earth leakage current device |
07/12/2001 | US20010007800 Adaptive/reactive safety plug receptacle |
07/11/2001 | EP1114752A2 Device for monitoring a battery lead |
07/11/2001 | EP1114496A1 Fault-current protection device with an overload protection device |
07/05/2001 | DE4480580C2 Control device for electric heating appliance e.g. pad or blanket |
07/05/2001 | DE10000551C1 Vorrichtung zur Überwachung einer Batterieleitung Apparatus for monitoring a battery cable |
07/04/2001 | CN2438253Y Overheat testing protector of power supply circuit and device |
06/27/2001 | EP1110038A1 Control system for bathers |
06/27/2001 | CN2437070Y Self-fault diagnosis type power distributor |
06/26/2001 | US6253121 Control system for bathers with ground continuity and ground fault detection |