| 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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| 11/24/2010 | CN101897093A Circuit configuration for operating a household appliance |
| 11/24/2010 | CN101895341A Terminal equipment and power failure alarm reporting method thereof |
| 11/24/2010 | CN101895155A Energy storage device with failure detection and automatic reconstruction function and reconstructing method |
| 11/24/2010 | CN101895109A Power system of vehicular interaction device |
| 11/24/2010 | CN101895095A Motor open-phase display protection device |
| 11/24/2010 | CN101895091A Device and method for overpower protection of mobile communication equipment |
| 11/24/2010 | CN101895090A Earth leakage protection method for ship network based on capacitance current time domain compensation |
| 11/24/2010 | CN101895089A High voltage electriferous display locking device based on fundamental wave and phase |
| 11/24/2010 | CN101895088A Leakage detection protection circuit |
| 11/24/2010 | CN101895087A Circuit breaker and method of controlling its operation |
| 11/24/2010 | CN101895086A Automatic reclosing switch of thyristor |
| 11/24/2010 | CN101895085A Power supply circuit protective device and protective control method |
| 11/24/2010 | CN101894053A Nonvolatile memory system |
| 11/24/2010 | CN101202432B Control method of relay control circuit |
| 11/24/2010 | CN101170249B A lighting over-voltage protection method and system for remote computer room AC power input |
| 11/24/2010 | CN101162835B Magnetic controllable inductor turn-to-turn fault protection method based on differential protection |
| 11/24/2010 | CN101102042B A protection device for lightning strike surge protection circuit |
| 11/23/2010 | US7840856 Object introspection for first failure data capture |
| 11/23/2010 | US7840838 Rapid regeneration of failed disk sector in a distributed database system |
| 11/23/2010 | US7839617 Electronic trip unit for circuit breakers |
| 11/23/2010 | US7839616 Load current sensing technique |
| 11/23/2010 | US7839611 Programmable logic controller having micro-electromechanical system based switching |
| 11/23/2010 | US7839610 Load driving device and electrical device using the same |
| 11/23/2010 | US7839154 Powered device power classification with increased current limit |
| 11/18/2010 | WO2010132778A1 Methods and apparatus for ground fault circuit interrupt detection using a single transformer |
| 11/18/2010 | WO2010130296A1 Fpaa-based mho distance protection relay and method of realizing such a relay |
| 11/18/2010 | US20100290169 Active lightning protection |
| 11/18/2010 | US20100290168 Explosion-roof and flameproof pullout safety surge absorbing module |
| 11/18/2010 | US20100290167 Control circuit for controlling a semiconductor switch system |
| 11/18/2010 | US20100290164 Methods and appratus for ground fault circuit interrupt detection using a single transformer |
| 11/18/2010 | US20100290163 Ground-fault circuit interrupter with reverse wiring proteciton function |
| 11/18/2010 | US20100290162 Systems, Methods, and Devices For Controlling A Serial Arc Fault In An Electrical Circuit |
| 11/18/2010 | DE102009003048A1 Verfahren und Vorrichtung zur Trennung eines Energiespeichers von einem angeschlossenen Netz Method and apparatus for separation of an energy store by a connected network |
| 11/17/2010 | EP2250718A1 Protective switching device for monitoring the electrical current flow to an electrical user and method for monitoring the electrical current flow to an electrical user by way of a protective switching device |
| 11/17/2010 | EP1984995B1 Method for identifying an earth fault in a resonant-earthed three-phase power transmission system, or a three-phase power transmission system which is isolated from earth potential |
| 11/17/2010 | EP1078431B1 Mimic high pass filter in a protective relay |
| 11/17/2010 | CN201639493U Household safe power supply system |
| 11/17/2010 | CN201639279U Distribution transformer failure warning device |
| 11/17/2010 | CN201639263U Monitoring device used for decompression and overcurrent of thickener |
| 11/17/2010 | CN201639262U Zero-line open circuit over-voltage protector |
| 11/17/2010 | CN201639261U Electronic leakage circuit breaker control circuit |
| 11/17/2010 | CN201639260U Low-voltage protection device of a disinfecting cabinet |
| 11/17/2010 | CN201639259U Lightning protection automatic switch for satellite television receiver |
| 11/17/2010 | CN201639258U Time segmented electricity limiting protector |
| 11/17/2010 | CN201639257U Intelligent terminal load controller |
| 11/17/2010 | CN201639256U High-pressure current-limiting and overvoltage protective device |
| 11/17/2010 | CN201639103U Multifunctional adapter with earth leakage protection function |
| 11/17/2010 | CN201637807U Power frequency leakage current tester |
| 11/17/2010 | CN201633671U Automobile start-up protector |
| 11/17/2010 | CN1639651B Data sample and transmission modules for power distribution systems |
| 11/17/2010 | CN1639649B Method and system for conditionally triggered system data capture |
| 11/17/2010 | CN101889377A Method for setting free detection of out of step condition in electrical power system |
| 11/17/2010 | CN101888114A Multifunctional power supply of vehicular automotive electronic device |
| 11/17/2010 | CN101888082A Residual current protector |
| 11/17/2010 | CN101888081A Mains supply over-voltage automatic power-off protection device |
| 11/17/2010 | CN101888080A Fuse circuit and driving method thereof |
| 11/17/2010 | CN101453112B Overcurrent protection circuit comprising multiple groups of loop load |
| 11/17/2010 | CN101154800B Device for detecting trouble electric arc |
| 11/16/2010 | US7836362 Circuits and methods for repairing defects in memory devices |
| 11/16/2010 | US7835127 Driver device and liquid droplet ejection head |
| 11/16/2010 | US7835126 Resettable short-circuit protection circuit |
| 11/16/2010 | US7835124 Short circuit and over-voltage protection for a data bus |
| 11/16/2010 | US7835120 Circuit breakers with ground fault and overcurrent trip |
| 11/16/2010 | US7834637 Method and apparatus for generalized AC and DC arc fault detection and protection |
| 11/16/2010 | US7834573 Winding fault detection system |
| 11/16/2010 | US7834486 Apparatus and method for powering load center circuits with an auxiliary power source |
| 11/11/2010 | WO2010127375A1 Monitoring apparatus |
| 11/11/2010 | US20100285693 Overvoltage protection magazine |
| 11/11/2010 | US20100284117 Power distribution systems |
| 11/11/2010 | US20100284116 Input overvoltage protection circuit with soft-start function |
| 11/11/2010 | US20100284114 System and method to provide transient overvoltage suppression |
| 11/11/2010 | US20100283623 Low-Voltage Connection with Safety Circuit and Method for Determining Proper Connection Polarity |
| 11/11/2010 | US20100283577 Monitoring apparatus, and method for determining a power consumption authorization |
| 11/11/2010 | US20100283391 PLC based smart dimmers that function with no new wires |
| 11/11/2010 | DE102009019825A1 Circuit arrangement for supplying electric current to consumer in motor vehicle, supplies current to load including evaluating circuit switching relay such that current through motor is interrupted by when current exceeds preset value |
| 11/10/2010 | EP2249450A2 System and method to provide transient overvoltage suppression |
| 11/10/2010 | EP2249393A1 Switching assembly |
| 11/10/2010 | EP2248240A1 Multiple-channel active sensing and switching device |
| 11/10/2010 | EP2248239A1 Method and device for discharging a high voltage network |
| 11/10/2010 | EP2248238A1 Discharge circuit for high voltage networks |
| 11/10/2010 | EP1665488B1 Arrangement for operating an electrically adjustable item of furniture for sitting or lying upon |
| 11/10/2010 | CN201629671U Intrinsic safe power circuit |
| 11/10/2010 | CN201629602U Intelligent emergency power supply of local ventilator for mine |
| 11/10/2010 | CN201629568U Power supply surge protection case |
| 11/10/2010 | CN201629562U Intelligent overvoltage protector for automobile ECU |
| 11/10/2010 | CN201629561U 阀门控制及故障保护装置 Valve control and fault protection device |
| 11/10/2010 | CN201629558U Phase failure and phase sequence protecting device |
| 11/10/2010 | CN201629557U Grounding fault circuit breaking device with end-of-life fault indication and power-off protection |
| 11/10/2010 | CN201629556U Multifunctional leakage detecting alarm device |
| 11/10/2010 | CN201629555U Alternating current undervoltage or power-off rapid response circuit |
| 11/10/2010 | CN201629554U Single-line explosion-proof travel switch |
| 11/10/2010 | CN201629553U Protective circuit with strobe diode |
| 11/10/2010 | CN201629552U Electronic fuse capable of detecting load current |
| 11/10/2010 | CN201629551U Thunder and lighting protection device for integrated satellite time transfer system |
| 11/10/2010 | CN201629550U Straight open loop |
| 11/10/2010 | CN201629445U Intelligent terminal load controller |
| 11/10/2010 | CN1244742B High electric resistance earthing system for oil well electric system |
| 11/10/2010 | CN101884150A Drive system and associated control method |
| 11/10/2010 | CN101883466A Crest factor overcurrent protection circuit applied to electronic ballast |
| 11/10/2010 | CN101882893A Solar powered anti-rust system with isolation circuit |