| 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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| 04/27/2000 | DE19846639A1 Electrical switching device for protective switchgear has micro-relay cells connected in series and parallel, and integrated in chip |
| 04/27/2000 | CA2346886A1 Ground fault protection circuit |
| 04/26/2000 | EP0995253A1 Electric installation protecting means |
| 04/26/2000 | EP0995251A1 Solid state overload relay |
| 04/26/2000 | EP0995250A1 Monitoring device for electrical safety fuses |
| 04/26/2000 | CN2376117Y Long-life heavy current AC power supply filter overvoltage protector |
| 04/26/2000 | CN1251507A Ophthalimic microsurgery system |
| 04/26/2000 | CN1251467A Power-supply switch for controlling domestic electric appliance |
| 04/26/2000 | CA2287448A1 Power distribution system with circuit breakers remotely resettable by signals transmitted over the power lines |
| 04/25/2000 | US6055145 Overcurrent protection device with visual indicators for trip and programming functions |
| 04/25/2000 | US6055142 Manually guided machine tool with a safety device |
| 04/25/2000 | US6054822 Method of detecting overload state of on-vehicle electric motor and apparatus thereof |
| 04/25/2000 | CA2108442C Fault identification system for use in protective relays for power transmission lines |
| 04/20/2000 | WO2000022713A1 Monitoring circuit for monitoring a voltage |
| 04/20/2000 | WO2000022711A1 Fault tolerant bus for clustered system |
| 04/20/2000 | WO2000022638A1 New electrical switchgear |
| 04/20/2000 | CA2346373A1 Fault tolerant bus for clustered system |
| 04/19/2000 | EP0994548A2 Distance relay |
| 04/19/2000 | EP0994547A2 Earth leakage-current protection system |
| 04/19/2000 | EP0994546A2 Improvements relating to monitoring apparatus for electrical circuits |
| 04/19/2000 | EP0993695A1 Method and system for detecting short-circuits in low-voltage mains |
| 04/19/2000 | EP0993694A1 Method for monitoring an electric circuit |
| 04/19/2000 | CN2375018Y Single open-phase null line protector |
| 04/19/2000 | CN2375017Y Connector of leakage relay and air-break |
| 04/19/2000 | CN1251224A Electronic safety device |
| 04/19/2000 | CN1250964A Range relay device |
| 04/19/2000 | CN1051638C Differential current protective switch with special core material |
| 04/18/2000 | US6052266 Ground fault circuit interrupter |
| 04/18/2000 | US6052265 Intelligent ground fault circuit interrupter employing miswiring detection and user testing |
| 04/18/2000 | US6051945 Anti-pinch safety system for vehicle closure device |
| 04/13/2000 | WO2000021179A1 Battery pack protection circuit |
| 04/13/2000 | WO2000021175A1 A protective relay-based monitoring system of dc power within an electric power substation |
| 04/13/2000 | WO2000020659A1 Device with selected current level for active protection against corrosion of a water heater or similar appliances |
| 04/13/2000 | CA2348643A1 Device with selected current level for active protection against corrosion of a water heater or similar appliances |
| 04/13/2000 | CA2312926A1 Battery pack protection circuit |
| 04/12/2000 | EP0993092A2 Overcurrent protection with a voltage-controlled time-multiplier |
| 04/12/2000 | EP0992098A1 Antisqueeze protection |
| 04/11/2000 | US6049893 System and method for synchronously resetting a plurality of microprocessors |
| 04/11/2000 | US6049139 Method and apparatus for detecting abnormality of cable having electrical conduction line surrounding power supply line used in car |
| 04/11/2000 | US6049039 Terminal and a method of forming the same |
| 04/11/2000 | CA2108443C Negative sequence directional element for a relay useful in protecting power transmission lines |
| 04/06/2000 | WO2000019473A1 Circuit breaker with a rated current plug connector |
| 04/06/2000 | WO2000019221A1 Method and device for locating an insulation fault in an electric cable |
| 04/05/2000 | EP0991160A2 Circuit breaker trip unit and method for real-time fault indication |
| 04/05/2000 | EP0991159A2 Apparatus for phase fault detection |
| 04/05/2000 | EP0990292A1 Method and device for monitoring insulation and fault current in an electrical alternating current network |
| 04/05/2000 | EP0990291A1 Method for adapting a protective relay to the mains frequency, and a protective relay |
| 04/05/2000 | CN2372848Y High power switch power supply for multi-media display terminal |
| 04/05/2000 | CN2372814Y Intelligent domestic electrical shock protecting and electricity-saving device capable of preventing illegal use of electricity |
| 04/05/2000 | CN2372813Y Multifunctional power protective switch |
| 04/05/2000 | CN2372812Y Automatic reconnection device for d. c. main fuse |
| 04/04/2000 | US6047392 System and method for tracking dirty memory |
| 04/04/2000 | US6046895 Distance protection method |
| 04/04/2000 | US6046893 Programmable electronic current limiter |
| 03/30/2000 | WO2000017728A2 Computer controlled ac electrical terminations and network |
| 03/30/2000 | DE19845825A1 Leistungsschalter mit einem Bemessungsstromstecker Circuit breaker with a rating plug |
| 03/29/2000 | EP0988687A1 A method for communication between a low potential level and a valve located on high voltage potential in a high voltage converter station as well as a device for such a communication |
| 03/29/2000 | CN2371715Y Lightning arrestor for communication terminal equipment |
| 03/29/2000 | CN2371712Y Socket-residual current protector |
| 03/29/2000 | CN1248704A Monitor for power source wire voltage |
| 03/28/2000 | US6043620 Method for moving a power-operated closure part |
| 03/28/2000 | US6043501 Continuous input cell for data acquisition circuits |
| 03/23/2000 | WO2000016460A1 Protective circuit-breaker device |
| 03/23/2000 | WO2000016459A1 Fault-current protection device with an overload protection device |
| 03/23/2000 | DE19842470A1 Earth-leakage circuit-breaker (elcb) arrangement with overload protection e.g. for electrical plant and equipment |
| 03/23/2000 | DE19842469A1 Safety cut-out device |
| 03/22/2000 | EP0987807A2 Fault protection apparatus |
| 03/22/2000 | EP0987805A1 Earth fault protection device with bipolar signal-processing circuit |
| 03/22/2000 | EP0986852A2 Overcurrent protection circuit |
| 03/22/2000 | EP0961959A4 Voltage regulator circuit |
| 03/21/2000 | US6040967 Reset lockout for circuit interrupting device |
| 03/17/2000 | CA2282624A1 Fault protection apparatus |
| 03/16/2000 | WO2000015010A1 Plug-in power module incorporating ground-fault detection and reporting |
| 03/16/2000 | WO2000014845A1 Drive device and method for moving a vehicle part |
| 03/16/2000 | WO2000014843A1 Drive device and method for moving a vehicle part |
| 03/16/2000 | WO2000014842A1 Control system for bathers with ground continuity and ground fault detection |
| 03/16/2000 | WO2000014841A1 Method for monitoring an arrangement for detecting short circuits in a triphase power supply system with respect to failures occurring on the secondary side of voltage detection devices |
| 03/16/2000 | WO2000014456A1 Control system for bathers |
| 03/16/2000 | WO2000013554A1 Device for displacing furniture |
| 03/16/2000 | DE19842059A1 Fault current protection switch has fault current present signal derived from redundant and/or diversity unit that does not load transducer or that only loads it slightly |
| 03/16/2000 | DE19842058A1 Fault current protection switch has auxiliary breaker with pre-tensioned contact springs or contacts under mechanical tension by e.g. compression springs, connected to melting fuse element |
| 03/16/2000 | DE19842000A1 Verfahren zum Überwachen einer Anordnung zum Erfassen von Kurzschlüssen in einem dreiphasigen Energieversorgungssystem auf in Spannungserfassungseinrichtungen sekundärseitig auftretende Störungen A method for monitoring an arrangement for detecting short circuits in a three phase energy supply system on the secondary side into voltage detection means occurring disturbances |
| 03/16/2000 | DE19841443A1 Circuitry protected against reverse polarity to sense load current |
| 03/16/2000 | DE19840164A1 Antriebsvorrichtung und Verfahren zum Verstellen eines Fahrzeugteils Drive device and method for adjusting a vehicle part |
| 03/16/2000 | DE19840161A1 Antriebsvorrichtung und Verfahren zum Verstellen eines Fahrzeugteils Drive device and method for adjusting a vehicle part |
| 03/16/2000 | CA2727752A1 Spa and method of controlling spa system |
| 03/15/2000 | EP0922322B1 Power back |
| 03/15/2000 | CN2369392Y Thyristor phase-off and phase sequence protection relay |
| 03/15/2000 | CN2369391Y Current limiting safeguard |
| 03/15/2000 | CN2369390Y Special protective electronic trigger |
| 03/15/2000 | CN2369373Y Safety plug |
| 03/15/2000 | CN1050459C Circuit protection arrangement |
| 03/15/2000 | CN1050458C Overcurrent protection device |
| 03/15/2000 | CN1050457C 电路保护装置 Circuit protection devices |
| 03/14/2000 | US6038684 System and method for diagnosing errors in a multiprocessor system |
| 03/14/2000 | US6038678 Path switching method, path switching apparatus and nodes of UPSR |
| 03/14/2000 | US6038516 Method for graphically displaying a menu for selection and viewing of the load related parameters of a load connected to an AC load control device |
| 03/14/2000 | US6038118 Lightning protector system |
| 03/14/2000 | US6038117 Power switching apparatus |
| 03/14/2000 | US6038115 Socket-outlet |