Patents
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)
04/2002
04/30/2002US6381112 Reset lockout for circuit interrupting device
04/25/2002WO2002033800A1 Circuit arrangement for driving a load
04/25/2002US20020048129 Systems and methods for a safety circuit for an electric motor
04/25/2002US20020047006 Control system for bathers
04/24/2002CN2488212Y Over-temp protecting circuit for liquid crystal rear-projection television set
04/17/2002CN2487104Y Heat fuse
04/09/2002US6369369 Soft electrical textile heater
04/04/2002US20020038795 Power supply apparatus
04/02/2002US6364619 Sealed compressor with temperature feedback to motor protector unit
03/2002
03/28/2002US20020038169 Control system for bathers with ground continuity and ground fault detection
03/27/2002EP1190474A2 Controller protective device for a dual-voltage electric system
03/27/2002CN1341860A Device and method for determining local short-circuit
03/14/2002US20020030953 Circuit interrupting system with independent trip and reset lockout
03/13/2002EP1187288A2 Device and method for determining rare short circuit
03/07/2002US20020027758 Overcurrent protection for the series fuse
03/07/2002DE10040092A1 Schaltungsanordnung zur Erkennung eines Fehlerzustands Circuit arrangement for the detection of an error condition
03/04/2002CA2356778A1 Device and method for determining rare short circuit
02/2002
02/28/2002WO2002017456A2 Protective relay
02/28/2002US20020024784 Protective relay
02/28/2002CA2420421A1 Protective relay
02/27/2002EP1134865A9 Detecting wire break in electrical network
02/21/2002WO2002015392A2 Circuit configuration for identifying a faulty state
02/21/2002WO2002015357A1 Protective circuit for protecting an electric circuit from excessive currents or voltages
02/20/2002CN1079573C Method and device for preventing explosions and fires in electrical transformers
02/19/2002US6349022 Latching protection circuit
02/19/2002US6348851 Breaker switch and battery including the same
02/14/2002US20020018330 Series protection device for a telephone line
01/2002
01/31/2002US20020012211 Shock hazard protection system
01/30/2002EP1131982A4 Multi-conductor soft heating element
01/24/2002US20020008951 Device and method for determining rare short circuit
01/23/2002EP1004130B1 Fuse element for electrical systems and a method and circuit for operating a fuse element
01/22/2002US6340878 Silicon equivalent PTC circuit
01/17/2002US20020006022 Circuit breaker with independent trip and reset lockout
01/16/2002CN2472369Y Overheat protector for wiring holder
01/16/2002CN2472237Y Cutoff instrument for declined kilowatt meter
01/15/2002US6339310 Motor driving control device
01/13/2002CA2313993A1 Apparatus for preventing thermal damage to an electrical power transformer
01/10/2002US20020003686 IDCI with reset lockout and independent trip
01/09/2002EP1019934B1 Circuit arrangement and process for operating a safety fuse
01/09/2002CN1077733C Semiconductor integrated circuit device with overheating protector and protection method
01/02/2002EP1166419A1 Power line protection devices and methods for providing overload protection to multiple outputs
01/01/2002US6335577 Power supply control unit and power supply control method
12/2001
12/19/2001CN2466785Y Capacitor overpressure protection device
12/19/2001CN1327603A Silicon equivalent PTC circuit
12/19/2001CN1076531C Electronic protection system and circuit comprising said system
12/05/2001CN1325166A Sealed compressor with temp. feed-back provided to motor protector
12/05/2001CN1075902C Over-heated fuse cut out for electronic component
12/04/2001US6326598 Non-intrusive fault location system for an overheat detection system
11/2001
11/29/2001US20010047227 System for reducing disaster damage
11/28/2001EP1158641A2 Sealed compressor with temperature feedback to motor protector unit
11/28/2001EP1158640A1 Serial protection device for data or energy transmission line
11/28/2001CN1075664C Electromechanical switching device and arrangement with several such devices
11/15/2001DE10122662A1 Relay with temperature sensor, has control and evaluation unit that combines electromagnet system coil electrical resistance signal(s) with associated temperature value
11/08/2001US20010038518 Contol circuit for semiconductor device with overheat protecting function
11/07/2001CN2458798Y Pressure circuit beaking protecting and warning device
11/01/2001US20010036049 Circuit interrupting device with reverse wiring protection
10/2001
10/31/2001CN2457773Y Transformer protector
10/31/2001CN2457772Y Over temperature alarm for power supply equipment
10/25/2001WO2001080394A1 Systems and methods for a safety circuit for an electric motor
10/25/2001WO2001080321A1 Device for protecting a photovoltaic module against hot spots and photovoltaic module equipped with same
10/25/2001WO2001045224A3 Controller protective device for a dual-voltage electric system
10/25/2001US20010033473 Nonflammable and disaster prevention type capacitor
10/25/2001DE10017837A1 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
10/25/2001CA2406449A1 Device for protecting a photovoltaic module against hot spots and photovoltaic module equipped with same
10/24/2001EP0906484B1 Electric switch with static current monitoring
10/17/2001EP1145264A1 Silicon equivalent ptc circuit
10/10/2001EP1143464A2 Nonflammble and disaster prevention type capacitor
10/10/2001EP1142068A1 Adaptive/reactive safety plug receptacle
10/10/2001CN1316754A Nonflammable and fire-proof type capacitor
10/05/2001CA2343097A1 Nonflammable and disaster prevention type capacitor
10/04/2001US20010026431 Transient voltage surge suppressor
10/04/2001US20010026134 Current-carrying control device and electric power steering apparatus
09/2001
09/20/2001WO2001015183A3 Circuit breaker with independent trip and reset lockout
09/19/2001EP1134865A2 Detecting wire break in electrical network
09/13/2001WO2001067418A2 Electrical injury protection system using radio frequency transmission
09/12/2001EP1131982A1 Multi-conductor soft heating element
09/12/2001EP1131872A1 Electric stator device for an internal combustion engine
09/11/2001US6288882 Circuit breaker with independent trip and reset lockout
09/05/2001CN1070646C Protection elements and method for protecting circuit
08/2001
08/28/2001US6282370 Control system for bathers
08/28/2001US6282070 Circuit interrupting system with independent trip and reset lockout
08/22/2001EP1126572A2 Arc fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same
08/15/2001CN2443521Y High-frequency soft switch power temp. -controlled current limiter
08/01/2001EP1120805A2 Current-carrying control device and electric power steering apparatus
08/01/2001CN2441251Y Electric fire disaster pre-alarming safety device
07/2001
07/31/2001US6268986 Motor control unit
07/25/2001CN1068993C Electric motor with means for preventing thermal overload
07/24/2001US6266579 System for reducing disaster damage
07/24/2001US6266221 Process-independent thermal protection circuit for microelectronic circuits
07/24/2001US6265961 Thermal protector
07/12/2001WO2001050566A1 An improved electronic earth leakage current device
07/12/2001US20010007800 Adaptive/reactive safety plug receptacle
07/11/2001EP1114752A2 Device for monitoring a battery lead
07/11/2001EP1114496A1 Fault-current protection device with an overload protection device
07/05/2001DE4480580C2 Control device for electric heating appliance e.g. pad or blanket
07/05/2001DE10000551C1 Vorrichtung zur Überwachung einer Batterieleitung Apparatus for monitoring a battery cable
07/04/2001CN2438253Y Overheat testing protector of power supply circuit and device
06/2001
06/27/2001EP1110038A1 Control system for bathers
06/27/2001CN2437070Y Self-fault diagnosis type power distributor
06/26/2001US6253121 Control system for bathers with ground continuity and ground fault detection
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