| 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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| 06/14/2000 | EP1008220A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation |
| 06/14/2000 | EP1008219A1 Device and method relating to protection of an object against over-currents comprising over-current reduction |
| 06/14/2000 | EP1008214A2 Switching device including spark gap for switching electrical power |
| 06/14/2000 | EP1006894A1 Numeric keypad simulated on touchscreen |
| 06/14/2000 | EP1006893A1 Surgical module with neuron chip communication |
| 06/14/2000 | EP1006892A1 Surgical system providing automatic reconfiguration |
| 06/14/2000 | EP1006891A1 Ophthalmic microsurgical system |
| 06/14/2000 | CN2383258Y Short phase automatic protective AC contactor |
| 06/14/2000 | CN2383206Y 电磁开关 Solenoid switch |
| 06/14/2000 | CN1256543A Electric machine |
| 06/14/2000 | CN1256540A Improved fault protection circuit |
| 06/14/2000 | CN1256501A Standard control device of circuit breaker for breaking or closing electromagnets |
| 06/13/2000 | US6075688 Motor operator with ac power circuit continuity sensor |
| 06/13/2000 | US6075368 Method of improving fault current measurement accuracy on electronic reclosure control |
| 06/07/2000 | EP1006538A1 Control and monitoring device for the opening/closing of electric operating elements |
| 06/07/2000 | EP1005711A1 Fault-current protective switchgear |
| 06/07/2000 | EP1005710A1 Residual current circuit-breaker |
| 06/07/2000 | EP1005709A1 Fault-current protective switchgear |
| 06/07/2000 | CN2382156Y Overvoltage protector for household electric appliances |
| 06/07/2000 | CN2382155Y Automatic switch for comprehensive protection |
| 06/07/2000 | CN2382128Y Breaker against electric leakage and fire |
| 06/07/2000 | CN1255771A Switch power source |
| 06/07/2000 | CN1255718A Monitoring device for cut-off/close of operating unit |
| 06/07/2000 | CN1053289C Forced charge indicator for ampere-rated circuit breaker operated by spring |
| 06/06/2000 | US6072679 Electric protection systems including PTC and relay-contact-protecting RC-diode network |
| 06/06/2000 | US6072678 Short-circuit protection circuit |
| 06/02/2000 | WO2000031851A1 Current limiting device |
| 06/02/2000 | WO2000031850A1 System and method for resetting modular circuit breakers |
| 06/02/2000 | WO2000031848A1 Protection device for electronic equipments |
| 06/02/2000 | WO2000031554A1 Method for determining an earth-faulted branch |
| 05/31/2000 | EP1005133A2 Power distribution system with circuit breakers remotely resetable by signals transmitted over the power lines |
| 05/31/2000 | EP1005130A1 Tripping device comprising a plurality of adjusting means for the protection parameters |
| 05/31/2000 | EP1005129A2 Arc fault detector method |
| 05/31/2000 | EP1005128A2 Arc fault detector apparatus, means and system |
| 05/31/2000 | EP1004162A1 Method for monitoring a protective gear |
| 05/31/2000 | EP1004161A1 Fault-current protective switchgear |
| 05/31/2000 | EP1004131A2 Fuse element for electric installations |
| 05/31/2000 | EP1004130A1 Fuse element for electrical systems and a method and circuit for operating a fuse element |
| 05/31/2000 | EP1004129A1 Protective switchgear |
| 05/31/2000 | DE19853100A1 Power supply circuit has limiting diode in parallel with transistor switching path with control connection connected to voltage source via limiting diode fixing maximum input voltage |
| 05/31/2000 | CN2381053Y Three-phase ac. protective relay device |
| 05/31/2000 | CN2381052Y Super-low-voltage power-off automatic protector |
| 05/31/2000 | CN1255211A Non-intrusive power control for computer systems |
| 05/30/2000 | US6069780 Electronic trip device comprising, in series, finite and infinite impulse response filters |
| 05/25/2000 | WO2000030233A1 Impedance measurement system for power system transmission lines |
| 05/25/2000 | WO2000029861A1 Reach-measurement method for power transmission lines |
| 05/25/2000 | CA2254491A1 Display type surge suppressor |
| 05/24/2000 | EP1003263A1 Differential protection device |
| 05/24/2000 | EP1003262A2 Circuit breaker |
| 05/24/2000 | CN1254214A Electronic equipment with automatic opening and closing or automatic switching functions |
| 05/24/2000 | CN1052841C Method for protecting telecommunication installations and protection circuit for carrying out said method |
| 05/24/2000 | CN1052821C Heat-sensitive self-reset device for safety unit |
| 05/23/2000 | US6067219 Power cut-off device |
| 05/23/2000 | US6067218 Electronic trip device comprising at least one setting device |
| 05/23/2000 | US6067216 Safeguard feature in a circuit arrangement for protecting an electrical component from an undesirable electrical potential |
| 05/23/2000 | US6067023 Power distribution apparatus and method |
| 05/23/2000 | CA2290087A1 Arc fault detector apparatus |
| 05/18/2000 | WO2000028635A1 Method and device for detecting the disconnection of a fuse |
| 05/18/2000 | WO2000028399A1 Protection circuit for an integrated circuit |
| 05/18/2000 | DE19851752A1 Circuit for overcurrent switch-off, records number of times actual current value exceeds desired value over period and isolates load from voltage when number exceeds defined number |
| 05/18/2000 | DE19850842A1 Clocked power supply circuit with earth short protection has earth short detector, evaluation and switch regulator electronics that interwork to block switching transistor if short detected |
| 05/17/2000 | EP1001505A2 Electronic device having auto-off or auto-on/off function |
| 05/17/2000 | EP0653073B1 Electric arc detector |
| 05/17/2000 | CN2378864Y Phase demodulating and wave demodulating electrical shock protective device capable of identifying electrical shock of animal |
| 05/17/2000 | CN1253405A Power distribution control device and power distribution control method |
| 05/17/2000 | CN1052582C Circuit on-off device for power system with three-phase conductors and middle wire |
| 05/16/2000 | US6065148 Method for error detection and correction in a trip unit |
| 05/16/2000 | US6065136 System for remote diagnosis of device troubles |
| 05/16/2000 | US6064165 Power window or panel controller |
| 05/11/2000 | WO2000026934A1 Electric micromechanical residual-current protective switching device |
| 05/11/2000 | DE19850397A1 Elektrische Fehlerstromschutz-Schalteinrichtung Electrical fault current protective switching device |
| 05/10/2000 | EP0999632A1 Stop control device for single-phase asynchronous motor with capacitor |
| 05/10/2000 | EP0999631A1 Device for the protection of an electric motor and related method |
| 05/10/2000 | CN2377758Y Electronic control leak protector |
| 05/10/2000 | CN2377757Y 三相民用供电安全保护监控器 Three-phase power supply for civilian security monitor |
| 05/10/2000 | CN2377672Y Three-phase loss-of-phase protection AC contactor |
| 05/10/2000 | CN1252640A Overcurrent and overvoltage protection method for local telephone communication wiring equipment |
| 05/10/2000 | CN1252639A Microcomputerized digital intelligent leakage protector |
| 05/10/2000 | CN1252638A Trip device having multiple apparatus for equipment protective reference |
| 05/10/2000 | CN1052349C Detachable small keyboard of breaker of electronic circuit |
| 05/10/2000 | CN1052348C Power supplying circuit |
| 05/09/2000 | US6061216 Lightning breaker |
| 05/09/2000 | US6060185 Comprising a battery voltage-monitoring means, an overcharge-detecting means for sending out a charge-finishing signal when a voltage detected by the battery voltage-detecting means is higher than a preset value |
| 05/04/2000 | WO2000025406A1 Electric cable with protective device |
| 05/04/2000 | CA2348512A1 Electric cable with protective device |
| 05/03/2000 | EP0998172A2 Process and device for short-circuit detection in a high-pressure discharge lamp ballast in a vehicle |
| 05/03/2000 | EP0998003A1 Differential protection device with multiple-voltage test circuit |
| 05/03/2000 | CN2376685Y Power source protective module |
| 05/03/2000 | CN2376684Y Improved leakage current protector |
| 05/03/2000 | CN2376683Y Overcurrent protector |
| 05/03/2000 | CN2376682Y Safety device for low-voltage indoor distributed circuit |
| 05/03/2000 | CN1052104C Fault current protective switch with energy storage circuit |
| 05/02/2000 | US6058353 System and method for providing backup protection for circuit breaker failure |
| 05/02/2000 | US6057997 Circuit breaker responsive to repeated in-rush currents produced by a sputtering arc fault |
| 05/02/2000 | US6057996 Leakage current alarming/blocking apparatus using antiphase transformer |
| 04/27/2000 | WO2000024126A1 Circuit protection devices |
| 04/27/2000 | WO2000024105A1 Circuit protection devices |
| 04/27/2000 | WO2000024104A2 Ground fault protection circuit |
| 04/27/2000 | DE19848756A1 Verfahren und Vorrichtung zur Kurzschlußerkennung bei einem Vorschaltgerät einer Hochdruckgasentladungslampe in einem Kraftfahrzeug Method and device for short-circuit detection for a ballast of a high-pressure gas discharge lamp in a motor vehicle |
| 04/27/2000 | DE19847815A1 Fault current protection system for electrical load has control device monitoring operation of fault current protection device for operating release device for disconnection of current circuit upon its failure |