| 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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| 01/01/2009 | US20090002900 System and method for protecting electronic devices |
| 01/01/2009 | US20090001993 Systems and methods for detecting a faulty ground strap connection |
| 12/31/2008 | WO2009002818A1 Power conditioning unit |
| 12/31/2008 | WO2009000646A1 Measuring sensor for use with a power electronics unit |
| 12/31/2008 | WO2009000304A1 Method for increasing the sensitivity of a differential protection system |
| 12/31/2008 | WO2007143129A3 Microelectromechanical systems having stored charge and methods for fabricating and using same |
| 12/31/2008 | EP2008349A2 Systems, devices, and methods for temperature compensation in arc fault detection systems |
| 12/31/2008 | CN201174617Y Redundant electric power having alarming device |
| 12/31/2008 | CN201174603Y Solar inverter |
| 12/31/2008 | CN201174578Y Energy storage circuit break self-cutting leakage protection switch |
| 12/31/2008 | CN201174577Y Energy saving device avoiding electricity consumption of not used electric appliance when power connected after being cut |
| 12/31/2008 | CN201174576Y Lighting protector having protection measure |
| 12/31/2008 | CN201174575Y Automatic blowout coil set apparatus |
| 12/31/2008 | CN201174574Y General-purpose electric appliance diad anti-electricity plug with selection function |
| 12/31/2008 | CN201174573Y Power source surge intelligent control device |
| 12/31/2008 | CN201174572Y Residual current protection device |
| 12/31/2008 | CN201174571Y Micro circuit breaker having micro-computer protection and liquid crystal display |
| 12/31/2008 | CN201174466Y General-purpose electric appliance diad anti-electricity plug with dual selection functions |
| 12/31/2008 | CN201174171Y Lighting conducting over-voltage protecting infrared remote controller |
| 12/31/2008 | CN201173958Y Testing transformer pressure regulating control device |
| 12/31/2008 | CN101336503A Method and adaptive distance protection relay for power transmission lines |
| 12/31/2008 | CN101335447A Power-off protection system and method |
| 12/31/2008 | CN101334687A Information processing apparatus |
| 12/31/2008 | CN100448131C A medium voltage integrated switchgear |
| 12/31/2008 | CN100447574C Open-phase detecting method of three-phase transformer |
| 12/30/2008 | US7471494 Output circuit |
| 12/30/2008 | US7469940 Discharge lamp lighting device, lighting system and method |
| 12/30/2008 | CA2220053C Method and apparatus for detecting arcing in ac power systems by monitoring high frequency noise |
| 12/30/2008 | CA2216544C Circuit interrupter including an electric arc monitoring circuit |
| 12/25/2008 | US20080316666 Flyback voltage detecting circuit and apparatus and method for inductive load |
| 12/25/2008 | US20080316665 Delay Time Control Circuit in a Battery Protector to Reduce Delay Time |
| 12/25/2008 | US20080316664 Resettable mems micro-switch array based on current limiting apparatus |
| 12/25/2008 | US20080316658 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
| 12/25/2008 | US20080315980 Mems micro-switch array based on current limiting enabled circuit interrupting apparatus |
| 12/25/2008 | US20080315804 Load drive control circuit |
| 12/24/2008 | WO2008157695A2 Fault protection device with ground trip delay and method |
| 12/24/2008 | WO2008156449A1 Resettable mems micro-switch array based on current limiting apparatus |
| 12/24/2008 | WO2008155600A1 Improved switched-mode power converter and method |
| 12/24/2008 | WO2008154787A1 Defective arc protection breaker |
| 12/24/2008 | EP2006970A2 A hardware overvoltage breakaway circuit |
| 12/24/2008 | EP2006694A1 Localised insulation control and measurement device for a power grid with insulated neutral |
| 12/24/2008 | EP1733410B1 System comprising an automotive fuse and an a/d converter |
| 12/24/2008 | CN201171155Y Improved circuit for omnidirection personnel safety protecting equipment of heat-accumulating electrical water heater |
| 12/24/2008 | CN201171154Y Modularization intelligence control protection switch capable of communicating |
| 12/24/2008 | CN201171153Y DC protection test control apparatus |
| 12/24/2008 | CN201171030Y Anticreepage protection switch for positive direction non-buckle tripping device |
| 12/24/2008 | CN101330220A Electric system and battery module thereof |
| 12/24/2008 | CN101330204A Lightning arrester for television reception apparatus |
| 12/24/2008 | CN101330202A Current-differential relay device |
| 12/24/2008 | CN101330201A Apparatus for protecting power supply |
| 12/24/2008 | CN101329970A Insulation monitoring system |
| 12/24/2008 | CN100446373C Power controller |
| 12/24/2008 | CN100446372C Power supply apparatus capable of detecting abnormality of current flowing through drive circuit |
| 12/24/2008 | CN100446371C Multiple-output circuit device with settable power supply priority order |
| 12/24/2008 | CN100446370C Power supply control circuit with selecting current-limiting mode function |
| 12/24/2008 | CN100446150C Circuit interrupting device |
| 12/24/2008 | CN100445958C Self diagnosing HVAC zone configuration |
| 12/24/2008 | CA2704338A1 Fault protection device with ground trip delay and method |
| 12/23/2008 | US7469358 External storage and data recovery method for external storage as well as program |
| 12/23/2008 | US7468879 Lightning protection device wet/dry glow-based streamer inhibitor |
| 12/23/2008 | US7468877 Overcurrent detection circuit and power supply apparatus provided therewith |
| 12/23/2008 | US7468876 Safety switch |
| 12/23/2008 | US7468875 Plasma television and power supply control device |
| 12/23/2008 | US7468874 Protection circuit for digital power module |
| 12/23/2008 | US7468873 Over-voltage protected semiconductor device |
| 12/23/2008 | US7468871 Residual current devices |
| 12/23/2008 | CA2267009C Plug-in multifunction tester for ac electrical distribution system |
| 12/18/2008 | WO2008153173A1 Charging device, and charging system |
| 12/18/2008 | WO2007137087A8 Integrated programmable over-current protection circuit for optical transmitters |
| 12/18/2008 | US20080313524 Recording format for information date, information recording/reproducing cording circuit |
| 12/18/2008 | US20080310070 Systems and methods for protecting device from change due to quality of replaceable components |
| 12/18/2008 | US20080310066 Methods of achieving linear capacitance in symmetrcial and asymmetrical EMI filters with TVS |
| 12/18/2008 | US20080310064 Protection Circuit |
| 12/18/2008 | US20080310063 Voltage detecting apparatus |
| 12/18/2008 | US20080310058 Mems micro-switch array based current limiting arc-flash eliminator |
| 12/18/2008 | US20080310056 Remote-operable micro-electromechanical system based over-current protection apparatus |
| 12/18/2008 | US20080309252 Controller of Light Dimmig and Overload Protection |
| 12/18/2008 | US20080309163 In-vehicle mount electronic controller |
| 12/18/2008 | DE102007027482A1 Voltage limiting circuit for limiting provided voltage of generator in motor vehicle, has voltage limiting element, which is connected between connection and another connection |
| 12/17/2008 | EP2002455A1 Device for detecting the state of a switch |
| 12/17/2008 | EP0980597B1 Matching overcurrent characteristic curves |
| 12/17/2008 | CN201167242Y Automobile charger |
| 12/17/2008 | CN201167229Y Overload protection and power failure detection for multipath high speed pulse output circuit |
| 12/17/2008 | CN201167079Y Apparatus for indicating fault of an electric appliance |
| 12/17/2008 | CN201167078Y Intelligent protection switch for communication office stations |
| 12/17/2008 | CN201167073Y Electric fault breaking apparatus with a rapid reset characteristic |
| 12/17/2008 | CN201167070Y Circuit for fault alarm of zero line iterative earth of residual current motion protection relay |
| 12/17/2008 | CN201167066Y Breadboard circuit for simulating zero line iterative earth of residual current motion protection relay |
| 12/17/2008 | CN101326695A A tool for generating fault response tolerances for a switching device |
| 12/17/2008 | CN101325334A Microcomputer type electric power engineering DC power supply cabinet |
| 12/17/2008 | CN101325328A Controlled power supply |
| 12/17/2008 | CN101325327A Intelligent load-limiting breaker with auto-reclosing |
| 12/17/2008 | CN101325137A Series arc fault current interrupters and methods |
| 12/17/2008 | CN100444490C Operation blocker and blocking method for user |
| 12/17/2008 | CN100444489C Circuit interrupting device with single throw, double mode button for test-reset function |
| 12/17/2008 | CN100444219C Voltage-supply circuit, voltage-supply method, power-supply circuit, electro-optical unit, and electronic apparatus |
| 12/17/2008 | CN100444065C Air-assisted type spraying machine controller based on microcomputer |
| 12/16/2008 | US7467330 System and method for journal recovery for multinode environments |
| 12/16/2008 | US7467326 Self-correcting computer |
| 12/16/2008 | US7466528 Overload and short-circuit protection device with a breaker ribbon |