| Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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| 01/31/2002 | WO2002009058A1 Sensing downed power lines |
| 01/31/2002 | WO2000059094A9 Devices and methods for protection of rechargeable elements |
| 01/31/2002 | US20020013916 Loosely coupled mass storage computer cluster |
| 01/31/2002 | US20020012216 Semiconductor switching device with function for vibrating current, thereby shutting down over-current |
| 01/31/2002 | US20020012213 Digital distance relay |
| 01/31/2002 | US20020011888 Circuit provided with a protective function |
| 01/30/2002 | EP1176686A1 Emergency device for cutting off the supply of electricity from a power supply network |
| 01/30/2002 | EP1176685A1 Semiconductor switching device with a multi-source power FET having a sense current path allowing a predetermined number of reconnection attemps before shutdown |
| 01/30/2002 | EP1005710B1 Residual current circuit-breaker |
| 01/30/2002 | CN2475210Y Electronic controller for residual current protection |
| 01/30/2002 | CN2475209Y Intelligent safety auto-controlled circuit breaker |
| 01/30/2002 | CN2475208Y Electric leakage protector with two circuit breakers |
| 01/30/2002 | CN2475207Y Grounding discharging signal generator |
| 01/30/2002 | CN2475206Y Automatic cut-off type telephone protector for thunder and lightning |
| 01/30/2002 | CN2475205Y Overvoltage protector |
| 01/30/2002 | CN1078760C Electric power distribution system with automatic protection breakers and related method |
| 01/30/2002 | CN1078758C Relay equipment |
| 01/30/2002 | CN1078757C Overcurrent, leakage and electric shock protector |
| 01/30/2002 | CN1078756C Sequence based network protector relay with forward overcurrent protection and anti-pumping teature |
| 01/24/2002 | WO2002007283A1 Device and method for protecting an electric installation against lightning |
| 01/24/2002 | US20020008951 Device and method for determining rare short circuit |
| 01/24/2002 | US20020008950 Arc fault circuit interrupter and circuit breaker having the same |
| 01/23/2002 | EP1174974A2 Arc fault detection in ac electric power systems |
| 01/23/2002 | EP1173869A1 Undervoltage release |
| 01/23/2002 | EP1004130B1 Fuse element for electrical systems and a method and circuit for operating a fuse element |
| 01/23/2002 | CN2473796Y Three phase combined over voltage protector |
| 01/23/2002 | CN2473795Y Combined three phase over voltage protector |
| 01/23/2002 | CN2473794Y Lightning arrestor leakage protection switch |
| 01/23/2002 | CN2473793Y power over voltage automatic protector for househould electric appliance |
| 01/23/2002 | CN2473792Y Power phase lost protector for three phase power supply equipment |
| 01/23/2002 | CN2473791Y Over voltage protector |
| 01/23/2002 | CN1332506A Zero-sequence voltage direction polarizing element for protecting relay |
| 01/22/2002 | US6341055 Restraint-type differential relay |
| 01/22/2002 | US6341054 Intelligent power distribution network |
| 01/22/2002 | US6340872 Movable barrier operator having force and position learning capability |
| 01/22/2002 | US6340848 On-vehicle distribution box and distribution system |
| 01/21/2002 | CA2353153A1 Arc fault detection in ac electric power systems |
| 01/17/2002 | WO2002005400A1 Fault-current limiter with multi-winding coil |
| 01/17/2002 | WO2002004967A1 Current compensation method and device for power system protection |
| 01/17/2002 | WO2002003903A1 Piece of furniture |
| 01/17/2002 | US20020006022 Circuit breaker with independent trip and reset lockout |
| 01/17/2002 | US20020005721 Method for detecting short-circuit conditions and device which uses this method |
| 01/16/2002 | EP1171935A1 Active material low power electrical switching mechanism and drive circuit therefor |
| 01/16/2002 | EP0850486B1 Electrical switch |
| 01/16/2002 | CN2472384Y Intellectual leakage breaker |
| 01/16/2002 | CN2472383Y High stability all functional electronic overcurrent protector for electric appliance |
| 01/15/2002 | US6339526 Low voltage cutoff circuit with short circuit detection capability and method of operation thereof |
| 01/15/2002 | US6339525 Arc fault detector with circuit interrupter |
| 01/10/2002 | WO2002003686A1 Camera system including a safety circuit |
| 01/10/2002 | WO2002003147A2 Method for detecting invalid packets by rewriting transaction identifiers |
| 01/10/2002 | US20020003686 IDCI with reset lockout and independent trip |
| 01/10/2002 | DE10032655A1 Elektrischer Überstromauslöser für einen Niederspannungs-Leistungsschalter Electrical overcurrent release for low-voltage circuit breakers |
| 01/10/2002 | DE10031925A1 Elektromotor, insbesondere Wischermotor Electric motor, in particular wiper motor |
| 01/09/2002 | EP1169763A1 Protective circuit for an electronic device |
| 01/09/2002 | EP1004129B1 Protective switchgear |
| 01/09/2002 | CN2471001Y Multifunctional fireproof safety power supply |
| 01/09/2002 | CN1330441A High power current limiter |
| 01/09/2002 | CN1330440A Electronic controller for over-current protection |
| 01/09/2002 | CN1330439A Digital Distance relay |
| 01/08/2002 | US6338145 Input/output recovery system which is based upon an error rate and a current state of the computer environment |
| 01/08/2002 | US6337569 Apparatus for detecting earthed side of AC power Supply |
| 01/08/2002 | CA2313910C Method and apparatus for detecting leakage current on a two wire dc or ac power line |
| 01/08/2002 | CA2141420C Detecting faults in power lines |
| 01/03/2002 | WO2002001694A2 Electronic circuit for an energy supply device, especially for a charging device for batteries |
| 01/03/2002 | WO2002001693A1 Electronic overload trip for a low-voltage circuit breaker |
| 01/03/2002 | WO2002001692A2 Protective relay with embedded web server |
| 01/03/2002 | WO2002001691A1 Method and apparatus for detecting electrical faults and isolating power source from the electrical faults |
| 01/03/2002 | WO2002001324A2 Protection zone selection in an electric power system |
| 01/03/2002 | US20020000782 Electric motor, in particular wiper motor |
| 01/02/2002 | EP1168591A1 Torque limited electric motor, in particular windshield wiper motor |
| 01/02/2002 | EP1168560A2 High electrical power current limiter being useful in electrical power system |
| 01/02/2002 | EP1168559A1 Window object detection with start-up compensation |
| 01/02/2002 | EP1168558A2 Digital distance relay |
| 01/02/2002 | EP1166305A1 Circuit provided with a protective function |
| 01/02/2002 | CN2469599Y Multipurpose protector for low-voltage distribution system |
| 01/02/2002 | CN2469581Y Multifunction autodistinguishing shockproof safety jack |
| 01/01/2002 | WO2002091541A1 Protection of electrical power lines |
| 01/01/2002 | US6336195 Method for debugging keyboard basic input/output system (KB-BIOS) in a development notebook computing system |
| 01/01/2002 | US6336059 Reach-measurement method for distance relays and fault locators on series-compensated transmission lines using local information |
| 01/01/2002 | US6335852 Programmable fuse and programming device for timer |
| 01/01/2002 | US6335577 Power supply control unit and power supply control method |
| 12/27/2001 | WO2001098902A1 Fast relief swapping of processors in a data processing system |
| 12/27/2001 | US20010054847 Power supplying apparatus for a vehicle and an intensive wiring apparatus |
| 12/26/2001 | CN2468201Y Self-healing earth leakage protector |
| 12/26/2001 | CN1328372A Cable fixed zero-power miniaturized over-current relay |
| 12/26/2001 | CN1076920C Remote actuated switch and protection circuit |
| 12/25/2001 | US6333614 Method and circuit for monitoring the operating condition of electric motors |
| 12/20/2001 | WO2001097357A2 Electronic protective relay with variable and fixed delay tally time of current protection |
| 12/20/2001 | WO2001097353A1 Overcurrent protection circuit |
| 12/20/2001 | WO2001097243A1 Ground fault current interrupter/arc fault current interrupter circuit breaker with fail safe mechanism |
| 12/20/2001 | WO2001096889A1 Method for detecting resistive faults |
| 12/20/2001 | WO1996016459A3 Fault current breaker with a cumulative current converter |
| 12/20/2001 | US20010052776 Contactor and trip circuit therefor |
| 12/20/2001 | DE10029418A1 Excess current protection circuit has current limiter connected in series with switch element with steep current-voltage characteristic for low voltages and flat characteristic for high voltages |
| 12/20/2001 | DE10028748A1 Energieversorgungssystem für ein Kraftfahrzeug mit einem Niedrigspannungsbordnetz und mit einem Höherspannungsbordnetz Power supply system for a motor vehicle with a low voltage electrical system and a higher-voltage electrical system |
| 12/20/2001 | CA2412614A1 Electronic protective relay with variable and fixed delay tally time of current protection |
| 12/19/2001 | EP1164678A2 A system for the automatic closure of a switch |
| 12/19/2001 | EP1082798B1 Electronic tripping device for a circuit breaker |
| 12/19/2001 | CN2466848Y Rectifying module for switching supply unit |
| 12/19/2001 | CN2466838Y Immersed pump with overcurrent protector |