| 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) |
|---|
| 01/05/2010 | US7643263 Controlling over-current from a power supply to a device |
| 01/05/2010 | US7643262 Protection circuit for intrinsically safe electro-magnetic actuators and a protection circuit for intrinsically safe energy supply systems |
| 01/05/2010 | US7643260 System for EMI filter surge voltage clamping |
| 01/05/2010 | US7643257 Wiring device with multi-shot miswire |
| 01/05/2010 | US7643256 Electromechanical switching circuitry in parallel with solid state switching circuitry selectively switchable to carry a load appropriate to such circuitry |
| 01/05/2010 | US7642677 Controlling inrush current from a power supply to a load |
| 12/31/2009 | US20090326855 Electrical outlet |
| 12/31/2009 | US20090323245 Device for Reduction of Voltage Derivative |
| 12/31/2009 | US20090323242 Disconnector and overvoltage protection device |
| 12/31/2009 | US20090323241 Input Protection Method with Variable Tripping Threshold and Low Parasitic Elements |
| 12/31/2009 | US20090323232 Electric power conversion device, compressor motor with the device, and air conditioner with the motor |
| 12/31/2009 | US20090322161 Method and system to stop return current from flowing into a disconnected power port of a dual battery powered device |
| 12/30/2009 | WO2009156309A1 Circuit breaker with improved re-closing functionality |
| 12/30/2009 | WO2009155953A1 Method for production of an oscillating signal and electrical protection - or measurement instrument having an oscillation identification device |
| 12/30/2009 | WO2009155661A1 A bypass device for safety switch testing |
| 12/30/2009 | WO2009108920A3 Alternating current overload protection apparatus and method |
| 12/30/2009 | EP2139087A1 Circuit breaker with improved re-closing functionality |
| 12/30/2009 | EP2138923A1 System, method and electronic switch for at least one electronic switch unit |
| 12/30/2009 | CN201374829Y High frequency generator of electro-dynamic induction heater |
| 12/30/2009 | CN201374659Y Portable solar movable power source |
| 12/30/2009 | CN201374588Y Relay protective device for power system with wireless communication function |
| 12/30/2009 | CN201374574Y Power failure alarm device, UPS power supply device and silicon wafer processing equipment |
| 12/30/2009 | CN201374550Y Grounding protection detector for single-switch generator rotor |
| 12/30/2009 | CN201374549Y Intelligent residual current circuit breaker |
| 12/30/2009 | CN201374548Y Leakage module with circuit breaker leakage protection function |
| 12/30/2009 | CN201374547Y Large capacity intelligent high-speed interruption device |
| 12/30/2009 | CN201374546Y Power supply protector for ARIES instrument ground station |
| 12/30/2009 | CN201374545Y Bridge protection circuit in direct current magnetic power source |
| 12/30/2009 | CN201374544Y Heavy-current limiting and low-current controlling relay |
| 12/30/2009 | CN201374543Y Closing protective relay |
| 12/30/2009 | CN201374542Y Intelligent controller of universal circuit breaker |
| 12/30/2009 | CN201374541Y Lightning protector capable of being optionally assembled |
| 12/30/2009 | CN101617453A Device and method for detecting faulted phases in a multi-phase electrical network |
| 12/30/2009 | CN101617452A MOS transistor triggered transient voltage suppressor to provide circuit protection at a lower voltage |
| 12/30/2009 | CN101615780A Intelligent power supply protector |
| 12/30/2009 | CN101615779A Circuit with reversed power polarity and inrush voltage protection |
| 12/30/2009 | CN101615778A Intelligent release |
| 12/30/2009 | CN101615777A Implementation method suitable for single phase adaptive reclose with shunt reactor |
| 12/30/2009 | CN101615776A Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
| 12/30/2009 | CN100576685C AC-DC power distribution unit for vessel and uses thereof |
| 12/30/2009 | CN100576676C Protection method of parallel reactor based on parameter identification |
| 12/30/2009 | CN100576675C Protection device of energy-storage capacitor unit |
| 12/30/2009 | CN100576674C Method for making earth leakage protection without action dead region and breaker thereof |
| 12/30/2009 | CN100576673C Power utilization security protection switch control method |
| 12/29/2009 | US7640537 System and method of determining software maturity using Bayesian design of experiments |
| 12/29/2009 | US7639466 Computer apparatus with over-voltage protection function |
| 12/29/2009 | US7639464 High holding voltage dual direction ESD clamp |
| 12/29/2009 | US7639463 Apparatus and method for reducing leakage between an input terminal and power rail |
| 12/29/2009 | US7639461 Overcurrent protection for circuit interrupting devices |
| 12/29/2009 | US7639460 Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line |
| 12/24/2009 | US20090316322 Meter Having Load Control Unit |
| 12/24/2009 | US20090316318 Protection circuit for limiting operating power of electrical device and method thereof |
| 12/24/2009 | US20090316317 Power plate for driving at least one robot |
| 12/24/2009 | US20090316310 Arc-flash hazard protection system for three-phase electrical distribution system |
| 12/24/2009 | US20090315409 Safety socket |
| 12/23/2009 | WO2009152841A1 Method and arrangement for generating an error signal |
| 12/23/2009 | WO2009152539A1 Fault current circuit breaker |
| 12/23/2009 | WO2009152538A1 Residual current-operated circuit breaker |
| 12/23/2009 | EP2136530A1 Collaborative defense of energy distribution protection and control devices |
| 12/23/2009 | EP2135338A1 System for acquisition of data and multiplication of signalling and protection contacts in equipments of substations and electric power plants and similar |
| 12/23/2009 | CN201369674Y Switch power supply circuit with short-circuit protection |
| 12/23/2009 | CN201369588Y Vehicle battery alarm annunciator |
| 12/23/2009 | CN201369584Y Power source |
| 12/23/2009 | CN201369564Y Over-voltage protective device |
| 12/23/2009 | CN201369560Y Relay protection device used in electrical power supply and distribution system of spacecraft |
| 12/23/2009 | CN201369555Y Short-circuit protection circuit of switching power supply for frequency converter |
| 12/23/2009 | CN201369549Y Horn control circuit |
| 12/23/2009 | CN201369548Y Short-circuit time delay disengaging control device used for DC circuit breaker |
| 12/23/2009 | CN201369547Y Residual current protection device with voice prompt device |
| 12/23/2009 | CN201369513Y Novel power-saving intelligent automatic control cabinet |
| 12/23/2009 | CN201369470Y Earth-leakage protecting plug |
| 12/23/2009 | CN201369461Y Novel earth leakage protective socket |
| 12/23/2009 | CN201369069Y Electronic energy meter with device preventing IC card slots from being attacked |
| 12/23/2009 | CN201368993Y Constant-temperature intelligent controller |
| 12/23/2009 | CN101611455A Fuse cell and method for programming the same |
| 12/23/2009 | CN101609970A Ac-dc circuit converter with very broad AC input voltage range |
| 12/23/2009 | CN101609969A A control device for an automatic reset apparatus |
| 12/23/2009 | CN100574037C Half wave arc extinguishing type superconductive fault current limit possessing integral switch module |
| 12/23/2009 | CN100574032C Back-to-back differential protection method in high-voltage DC power transmission system |
| 12/23/2009 | CN100574031C Power convertor output protection circuit |
| 12/23/2009 | CN100574030C Leakage current protecting circuit |
| 12/22/2009 | US7636616 Protection system for power distribution systems |
| 12/22/2009 | US7636226 Current protection circuit using multiple sequenced bipolar transistors |
| 12/22/2009 | US7636225 Arc detection circuit |
| 12/22/2009 | US7636224 Method and safety device for ground fault circuit |
| 12/22/2009 | CA2358230C Optimized fault notification in an overlay mesh network via network knowledge correlation |
| 12/22/2009 | CA2298610C Redundant communications in a protective relay |
| 12/22/2009 | CA2295342C Fault-detection for powerlines |
| 12/22/2009 | CA2285459C Matching overcurrent characteristic curves |
| 12/22/2009 | CA2256210C Arc fault detector with circuit interrupter |
| 12/17/2009 | WO2009151084A1 Protection device for load circuit |
| 12/17/2009 | US20090310272 Energy savings and surge protection device |
| 12/17/2009 | US20090310270 Fast-Responding Short Circuit Protection System with Self-Reset for Use in Circuit Supplied by DC Power |
| 12/17/2009 | US20090310269 Arrangement and method for deactivating electrical elements when malfunctioning |
| 12/17/2009 | DE102004050691B4 Antriebsvorrichtung für ein elektrisch betätigtes Fenster Drive device for an electrically operated window |
| 12/16/2009 | EP2133973A1 Circuit protection device |
| 12/16/2009 | EP2133702A1 Synchronous phasor measuring device and inter-bus phase angle difference measuring device employing it |
| 12/16/2009 | EP2132851A1 Circuit arrangement for limiting voltage |
| 12/16/2009 | CN201365203Y Multiple output power circuit with short circuit protection |
| 12/16/2009 | CN201365114Y Circuit capable of continuously performing overvoltage protection on electric generator rotor |