| 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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| 03/17/2009 | US7504750 Device of protection against a polarity reversal |
| 03/12/2009 | WO2009032165A1 Epitaxial surge protection device |
| 03/12/2009 | WO2009032159A1 Low capacitance semiconductor device |
| 03/12/2009 | WO2009030804A1 Configuration of intelligent electronic device |
| 03/12/2009 | WO2009030258A1 Protective device for protecting an electrotechnical unit and method for the operation thereof |
| 03/12/2009 | WO2006119317A8 Latching solid state relay |
| 03/12/2009 | US20090067109 Operating and controlling insulated gate bipolar transistors in high speed failure mode situations |
| 03/12/2009 | US20090067102 Shutoff system for pool or spa |
| 03/12/2009 | US20090066161 Power management systems with current sensors |
| 03/12/2009 | DE102007042380A1 Overvoltage protection unit for use in switch box and power socket-insert, has circuit board with two thermal fuses and two varistors where circuit board has through-hole or recess at periphery |
| 03/11/2009 | EP2033288A1 A method of detecting faults on an electrical power line |
| 03/11/2009 | EP2033201A1 Switching circuit |
| 03/11/2009 | CN201207563Y Single-phase voltage bias protector having experimental push button |
| 03/11/2009 | CN101385215A Power supply unit and controlling method thereof |
| 03/11/2009 | CN101385214A Method and apparatus for protecting a gate oxide using source/bulk pumping |
| 03/11/2009 | CN101385212A Method for limiting the excess force of a closing part which is actuated by an external force |
| 03/11/2009 | CN101385110A Circuit breaker meter |
| 03/11/2009 | CN101383527A Method for eliminating harmonic interference of low-voltage power consumption system |
| 03/11/2009 | CN101383502A Power controller |
| 03/11/2009 | CN101383498A Secondary break self-cast device for voltage mutual inductor |
| 03/11/2009 | CN101383497A Electric safety press-key control apparatus |
| 03/11/2009 | CN101383496A Self-breaking leakage protection switch for energy accumulation circuit breaking |
| 03/11/2009 | CN101383495A Wide area protection control measurement system and method |
| 03/11/2009 | CN100468904C Multifunctional leakage protector with very small leakage action |
| 03/11/2009 | CN100468903C Three electrode gap protective device for overvoltage protection system |
| 03/11/2009 | CN100468902C A low-voltage circuit breaker comprising an interface unit |
| 03/11/2009 | CN100468279C External clock to obtain multiple synchronized computers |
| 03/10/2009 | US7502212 IDCI with reset lockout and independent trip |
| 03/10/2009 | US7501830 Method, apparatus and computer-readable code for detecting an incipient ground fault in an electrical propulsion system |
| 03/10/2009 | US7501797 Battery pack with a discharge control mechanism |
| 03/05/2009 | WO2009026832A1 Intelligent electrical energy management system device |
| 03/05/2009 | WO2009026782A1 Safety switch and control method thereof |
| 03/05/2009 | WO2008146135A4 Residual current circuit breaker controlling and auxiliary apparatus, and residual current circuit breaker equipped thereby |
| 03/05/2009 | US20090063064 Residual current device having voltage dependent and voltage independent modes of operation |
| 03/05/2009 | US20090059457 Protecting circuit |
| 03/05/2009 | US20090059456 Over-voltage protection circuit |
| 03/05/2009 | US20090059455 Method and apparatus for power interruption protection |
| 03/05/2009 | US20090059454 Current limit protection apparatus and method for current limit protection |
| 03/05/2009 | US20090059449 Series arc fault current interrupters and methods |
| 03/05/2009 | US20090058313 Power supply for supplying power to a lamp |
| 03/05/2009 | US20090058194 Source driver and method for restraining noise thereof |
| 03/04/2009 | EP2031726A1 High line tolerant power conversion device comprising an internal switch for the protection of sub-devices |
| 03/04/2009 | EP2031724A2 Electronic Trip Units with Limited Read/Write Access |
| 03/04/2009 | EP1224722B1 Semiconductor fuse for electrical consumers |
| 03/04/2009 | EP0820651B1 Arcing fault detection system |
| 03/04/2009 | CN201204612Y Communication interface device for programmable logic controller |
| 03/04/2009 | CN201204570Y AC contactless control switch |
| 03/04/2009 | CN201204563Y Microcomputer excitation controller for generator |
| 03/04/2009 | CN201204446Y Lightning-protection electrical leakage circuit breaker |
| 03/04/2009 | CN201204444Y Cyborg type MACSYM for power distribution network |
| 03/04/2009 | CN201204438Y Ignition failure protection device for vehicle-mounted terminal equipment |
| 03/04/2009 | CN201204437Y Intelligent double-control electrical leakage cut-off alarm |
| 03/04/2009 | CN201204436Y Electrical leakage detection protection device for solar photovoltaic parallel inverter |
| 03/04/2009 | CN201204435Y Current-comparing type overcurrent current failure controller for lamp decoration |
| 03/04/2009 | CN201204434Y Whole electronic alarm safety unit for temperature safety wire disconnection type biplate integrated circuit |
| 03/04/2009 | CN201204170Y Novel intelligent release for plastic case circuit breaker |
| 03/04/2009 | CN201204169Y Zero line grounding definition circuit for residual current motion protection relay |
| 03/04/2009 | CN201203796Y System for monitoring electric fire |
| 03/04/2009 | CN201203476Y Protective circuit of weighing sensor energized power supply |
| 03/04/2009 | CN101379669A Power source device, electric vehicle mounted with the power source device, and control method for power source device |
| 03/04/2009 | CN101378187A Power supply protection circuit |
| 03/04/2009 | CN101378186A Earth-leakage protector for household appliances |
| 03/04/2009 | CN101378185A Electronic circuit breaker and method |
| 03/04/2009 | CN101378184A Electronic trip units with limited read/write access |
| 03/04/2009 | CN100466410C Phase failure detector and a device comprising the phase failure detector |
| 03/04/2009 | CN100466409C Short-circuit protecting method with contact flasher and flasher with short-circuit protection |
| 03/04/2009 | CN100466137C Electromagnetic residual current action protector and the protecting method thereof |
| 03/03/2009 | US7500153 Method and system for error correction in disk drive using plural retry tables |
| 03/03/2009 | US7500144 Resolving problems in a business process utilizing a situational representation of component status |
| 03/03/2009 | US7499957 Real time backup system for computer users |
| 03/03/2009 | US7499252 Driver circuit |
| 03/03/2009 | US7499251 Arcing fault protection system for an air arc switchgear enclosure |
| 03/03/2009 | US7499250 Systems, devices, and methods for temperature compensation in arc fault detection systems |
| 03/03/2009 | US7498820 Method, apparatus and computer-readable code for detecting an incipient ground fault in an electrical propulsion system |
| 03/03/2009 | US7498819 Method, apparatus and computer-readable code for detecting an incipient ground fault in an electrical propulsion system |
| 03/03/2009 | US7498818 Apparatus and method for detecting a brush liftoff in a synchronous generator rotor circuit |
| 02/26/2009 | WO2009025685A1 Convenient and safe receptacle/switch and terminal block |
| 02/26/2009 | WO2009024391A1 An inverter with short circuit protection |
| 02/26/2009 | WO2009023925A1 Pluggable system for power monitoring and wireless notification |
| 02/26/2009 | WO2008142123A3 Safety shut-off device for electric consumers |
| 02/26/2009 | WO2008121129A3 Fuse and breaker alarm device and method using a finite state machine |
| 02/26/2009 | US20090055401 Loosely Coupled Mass Storage Computer Cluster |
| 02/26/2009 | US20090052103 Circuit arrangement for the protection of electronic components or assemblies |
| 02/26/2009 | US20090052098 Circuit interrupting device with reverse wiring protection |
| 02/26/2009 | US20090051557 Method and electrical switching apparatus including a number of accessories employing wireless communication |
| 02/26/2009 | DE202008015802U1 Elektronische Einrichtung mit einer HDMI/USB-Schnittstelle und ihre Schnittstellenschaltung Electronic device with an HDMI / USB interface and interface circuit |
| 02/26/2009 | DE19833224B4 Schaltungsanordnung zum Schutz einer elektrischen Last Circuit arrangement for protecting an electrical load |
| 02/26/2009 | DE102007036680A1 Circuit device for operating e.g. water pump, in motor vehicle, has detection device causing stabilization circuit and diagnostic connection to be high-resistant to positive supply voltage during contact interruption of ground line |
| 02/26/2009 | CA2694725A1 Convenient and safe receptacle/switch and terminal block |
| 02/25/2009 | EP2028756A1 An Inverter With Short Circuit Protection |
| 02/25/2009 | EP1495477B1 Circuit breaker having fault-current cutoff |
| 02/25/2009 | CN201199632Y Parallel capacitor apparatus with dual over-voltage protection |
| 02/25/2009 | CN201199630Y Leakage protector with zero-off protection |
| 02/25/2009 | CN201199629Y Intelligent controller for low-voltage electrical equipment |
| 02/25/2009 | CN201199628Y Protecting equipment for electric force power distribution PLC control detection line |
| 02/25/2009 | CN201199584Y All-purpose safety plug capable of preventing earth wire contact from non conducting |
| 02/25/2009 | CN201199583Y All-purpose safety plug capable of preventing earth wire contact from non-conducting |
| 02/25/2009 | CN201199255Y System for monitoring power utilization status of equipment within machine cabinet |
| 02/25/2009 | CN101375478A Electrical switching apparatus including a second trip circuit responding to failure of a first trip circuit to provide a repetitive signal |
| 02/25/2009 | CN101373891A Mainboard using 32-bit DSP as kernel for microcomputer protection device |