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