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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07/20/2004 | US6765777 Overvoltage-protection device |
07/20/2004 | CA2294357C Electrical plug |
07/15/2004 | WO2004059829A1 Electric motor comprising an integrated electronic control device |
07/15/2004 | WO2004059811A1 Arc-fault detecting circuit breaker system |
07/15/2004 | WO2004059486A1 Resource allocation aware queuing of requests for media resources |
07/15/2004 | US20040139278 Storage control unit and storage system |
07/15/2004 | US20040136133 Power supply device and control method thereof |
07/15/2004 | US20040136125 Leakage current detection based upon load sharing conductors |
07/15/2004 | US20040136124 Arc fault detector and method for locating an arc fault |
07/15/2004 | US20040135583 Monitoring apparatus |
07/15/2004 | DE19758765B4 Verfahren zur Überwachung von Zustandsparametern bei einem Schaltgerät und zugehörige Einrichtung Method for monitoring state parameters in a switching device and associated facility |
07/15/2004 | DE10261848A1 Auto-transformer protection circuit testing method in which a test earth short circuit is formed in the multi-phase auto-transformer to enable checking of the operation of a current differential protection arrangement |
07/15/2004 | CA2511428A1 Arc-fault detecting circuit breaker system |
07/14/2004 | EP1437813A2 Apparatus for and method of ground fault detection |
07/14/2004 | EP1436873A1 System and method for generating and managing quick recovery volumes |
07/14/2004 | EP1058934B1 Method of detecting manual trips in an intelligent electronic device |
07/14/2004 | CN2626105Y Electric leakage protector |
07/14/2004 | CN2626104Y 集成电磁起动器 Integrated electromagnetic starter |
07/14/2004 | CN1512639A Technology for preventing electric network voltage instantaneous large scale fluctuation interference of enterprise electric equipment |
07/13/2004 | US6762920 Electronic fault detector for variable frequency ac systems and circuit breaker incorporating same |
07/13/2004 | US6762919 High voltage power supply apparatus |
07/13/2004 | US6762918 Fault free fuse network |
07/13/2004 | US6762917 Method of monitoring ESC levels and protective devices utilizing the method |
07/13/2004 | CA2455083A1 Arc fault detector and method for locating an arc fault |
07/08/2004 | WO2004057719A1 Switching circuit, switching method, protective device and battery pack |
07/08/2004 | WO2004013895A9 Protective relay system having settings provided therein for all protective relay locations in a power system |
07/08/2004 | US20040133814 Locator devices and methods for centrally controlled power distribution systems |
07/08/2004 | US20040133370 Energy calculation methods in power distribution systems |
07/08/2004 | US20040130839 Power line protection |
07/08/2004 | US20040130838 Circuit protection system |
07/08/2004 | US20040130837 Circuit protection system |
07/08/2004 | DE10125338B4 Schutzvorrichtung für elektrische Verbraucher Device for protecting electrical consumer |
07/07/2004 | EP1435127A2 Residual current operated circuit breaker |
07/07/2004 | CN1511376A Overcurrent detection and protection apparatus for switching element |
07/07/2004 | CN1510895A Telephone neet business operation cue, flexible key function application and surge voltage protection |
07/06/2004 | US6760869 Reporting hard disk drive failure |
07/06/2004 | US6760864 Data processing system with on-chip FIFO for storing debug information and method therefor |
07/06/2004 | US6760861 System, method and apparatus for data processing and storage to provide continuous operations independent of device failure or disaster |
07/06/2004 | US6760670 Crossover fault classification for power lines with parallel circuits |
07/06/2004 | US6760209 Electrostatic discharge protection circuit |
07/01/2004 | WO2004025702A3 Electrostatic discharge protection device for high speed transmission lines |
07/01/2004 | US20040125532 Digital protective relay for power systems with operator-initiated record keeping capability |
07/01/2004 | US20040125518 Reverse current protection device |
06/30/2004 | EP1433235A1 Motor control circuit overcurrent protection |
06/30/2004 | EP1433234A1 Circuit breaker having analog override |
06/30/2004 | EP1311785B1 Cryostat for electrical devices such as superconducting current limiters and electrical machines such as transformers, motors, generators and electrical magnets with a superconducting winding |
06/30/2004 | CN2622898Y Super undervoltage protector of power supply and distribution system |
06/30/2004 | CN2622897Y Output circuit device of self-controlled cut-off protective signal relay |
06/30/2004 | CN1508927A Protection apparatus and method for providing protection function in said protection apparatus |
06/30/2004 | CN1508926A Method for providing protection function in distribution network |
06/29/2004 | US6757847 Synchronization for system analysis |
06/29/2004 | US6757665 Detection of pump cavitation/blockage and seal failure via current signature analysis |
06/29/2004 | US6757626 Trip unit and circuit breaker to prevent nuissance tripping |
06/24/2004 | WO2004054062A1 Device for protection from thunder |
06/24/2004 | WO2004032304A3 Device and method for providing electric service |
06/24/2004 | WO2003090056A9 Method for media content presentation in consideration of system power |
06/24/2004 | WO2003067434A3 Asf state determination using chipset-resident watchdog timer |
06/24/2004 | US20040123186 Fault-tolerant dynamic editing of GUI display and source code |
06/23/2004 | EP1432002A2 Protective device |
06/23/2004 | CN2621350Y Socket with automatic control and surge protection function |
06/23/2004 | CN1507141A Switch power source device |
06/23/2004 | CN1507127A 智能电子保险丝 Intelligent electronic fuse |
06/23/2004 | CN1506689A Electric arc detecting equipment and method |
06/23/2004 | CN1154440C Ophthalmic microsurgical system employing flash EEPROM and reprogrammable modules |
06/22/2004 | US6754860 Method for creating defect management information in an recording medium, and apparatus and medium based on said method |
06/22/2004 | US6754848 Method, system and program products for operationally migrating a cluster through emulation |
06/22/2004 | US6754818 Method and system for bootstrapping from a different boot image when computer system is turned on or reset |
06/22/2004 | US6753792 Distribution line capacitor monitoring and protection module |
06/22/2004 | CA2303964C Arc fault detection system for aircraft wiring |
06/17/2004 | WO2004051915A1 Disaster recovery port in a portable computer |
06/17/2004 | WO2004038554A3 System with multiple path fail over, fail back and load balancing |
06/17/2004 | US20040117077 Electrical system for a ship |
06/17/2004 | US20040114400 Method and apparatus for overload-controlling inverter power generation apparatus |
06/17/2004 | US20040114292 PDA with built-in voltage protection |
06/17/2004 | US20040114287 ESD protection with uniform substrate bias |
06/17/2004 | CA2507315A1 Disaster recovery port in a portable computer |
06/16/2004 | EP1429438A2 Switching error protective apparatus and configuration method thereof |
06/16/2004 | EP1429437A2 Arc detection apparatus and method |
06/16/2004 | EP1428303A2 Detection of arcing in dc electrical systems |
06/16/2004 | EP1428154A2 Method for automatically projecting a technological module for reproducing and controlling a technological process system |
06/16/2004 | EP1428151A1 System and method for implementing journaling in a multi-node environment |
06/16/2004 | EP1428149A1 A system and method for a multi-node environment with shared storage |
06/16/2004 | EP1266435B1 Method for automatically reclosing and an automatic reclosing device |
06/16/2004 | CN2620940Y Automatic protective circuit breaker |
06/16/2004 | CN2620939Y Electrothermal blanket with unusual overtemp. all line automatic protector |
06/16/2004 | CN1505862A Protection of electrical power lines |
06/16/2004 | CN1505861A Jamming protection device for moving member |
06/16/2004 | CN1504759A Method and apparatus of detecting internal motor faults in an induction machine |
06/16/2004 | CN1154218C Single-phase earthing protection method for small current earthing system |
06/15/2004 | US6751528 Residential circuit arc detection |
06/15/2004 | US6751080 Control circuit for semiconductor device with overheat protecting function |
06/15/2004 | US6750576 Permanent magnet induced electric machine and method for operating such a machine |
06/10/2004 | WO2004030171A9 Device safety system and method |
06/10/2004 | US20040111652 Configurable reliable messaging system |
06/10/2004 | US20040109269 Arc detection apparatus and method |
06/10/2004 | US20040109268 Limiting circuit for a brushless dc motor |
06/10/2004 | US20040109267 Method and apparatus of detecting internal motor faults in an induction machine |
06/10/2004 | US20040108923 Reset lockout for circuit interrupting device |
06/09/2004 | EP1427082A2 Method and apparatus of detecting internal motor faults in an induction machine |
06/09/2004 | EP1425836A1 Current fault detector and circuit interrupter and packaging thereof |