| 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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| 05/20/2008 | US7375939 Relocatable power tap with ground-neutral fault detector |
| 05/20/2008 | US7375938 Miswire protection switch compression spring |
| 05/20/2008 | US7375937 Current fault detector and circuit interrupter and packaging thereof |
| 05/20/2008 | US7375936 Leakage detecting device |
| 05/20/2008 | US7375935 Ground fault circuit interrupter with enhanced radio frequency interference suppression |
| 05/20/2008 | CA2304398C Protection device and process for a line in a network of electrical energy supply lines |
| 05/15/2008 | WO2008057978A2 Methods and apparatus for continuous ground fault self-test |
| 05/15/2008 | WO2008057222A2 Mitigation of current collapse in transient blocking units |
| 05/15/2008 | WO2007121053A3 Open neutral detection circuit |
| 05/15/2008 | US20080112103 Constant voltage output circuit |
| 05/15/2008 | US20080112102 Sampling frequency control method and protective relay |
| 05/15/2008 | US20080112100 Digital electric leakage detecting and monitoring device |
| 05/15/2008 | US20080112099 ground-fault circuit interrupter |
| 05/15/2008 | US20080112098 Separate box assembly for voltage surge protection |
| 05/15/2008 | US20080111510 Windscreen Wiper Comprising a Protection Device for the Electric Motor Thereof |
| 05/14/2008 | EP1921531A1 Solid state power controller with lightning protection |
| 05/14/2008 | CN201061152Y Power condenser on/off switch |
| 05/14/2008 | CN201061136Y Lightning protection device |
| 05/14/2008 | CN201061129Y Electric power abnormity protective circuit |
| 05/14/2008 | CN201061122Y AC power-off fast closedown circuit |
| 05/14/2008 | CN201061121Y Automatic power-off switch |
| 05/14/2008 | CN201061120Y Duplicate power supply protector of large-scale medical detection apparatus |
| 05/14/2008 | CN201061119Y Low-voltage feed switch protector for mining |
| 05/14/2008 | CN101179199A Terminal and charging method thereof |
| 05/14/2008 | CN101179190A City railway traffic traction power supply protection method and device thereof |
| 05/14/2008 | CN101179187A Power utilization security protection switch and control method thereof |
| 05/14/2008 | CN101179186A Short circuit and no-load protector of discharge lamp magnetic ballast |
| 05/14/2008 | CN101179185A USB interface short-circuit protection circuit and power supply with USB interface short-circuit protection function |
| 05/14/2008 | CN101179184A Sampling frequency control method and protective relay |
| 05/14/2008 | CN101179170A Unitary member with multiple outlets having surge protection circuitry |
| 05/14/2008 | CN101179169A Refrigerator with creepage protection function |
| 05/14/2008 | CN100388586C Fault protector |
| 05/14/2008 | CN100388585C Improved fault protection circuit and method therefor |
| 05/14/2008 | CN100388578C Power source short-circuit protector |
| 05/14/2008 | CN100387999C Circuit fault directional detecting and protecting method for power supply system |
| 05/13/2008 | US7373555 Systems and methods controlling transaction draining for error recovery |
| 05/13/2008 | US7372808 Redundant transmission of protection commands between remote tripping devices |
| 05/13/2008 | US7372687 Combination current sensor and relay |
| 05/13/2008 | US7372686 Power supply apparatus capable of detecting abnormality in current flowing in drive circuit |
| 05/13/2008 | US7372684 Power supply device |
| 05/13/2008 | US7372683 Over voltage detection circuit, and power source circuit, power supply system and electronic apparatus using the over voltage detection circuit |
| 05/13/2008 | US7372681 Electrostatic discharge (ESD) protection device with simultaneous and distributed self-biasing for multi-finger turn-on |
| 05/13/2008 | US7372679 Method and apparatus for RC triggered electrostatic discharge power clamp with hysteresis |
| 05/13/2008 | US7372678 Circuit interrupting device with automatic test |
| 05/13/2008 | US7372677 Control apparatus for internal combustion engine-driven vehicle having power supply unit |
| 05/13/2008 | US7372218 Open protection circuit for backlight module |
| 05/08/2008 | WO2008054806A2 Systems and methods for arc fault detection |
| 05/08/2008 | WO2008027969A3 Multi-threshold reset circuit |
| 05/08/2008 | US20080108252 Leakage current detection and interruption circuit |
| 05/08/2008 | US20080106838 Centrally controlled protection systems having reduced energy let-through mode |
| 05/08/2008 | US20080106833 Methods and apparatus to facilitate ground fault protection and self test with a single switch |
| 05/08/2008 | US20080106832 Systems and methods for arc fault detection |
| 05/08/2008 | US20080106831 Methods and apparatus for continuous ground fault self test |
| 05/08/2008 | US20080106830 AC melt to bushing current detector |
| 05/08/2008 | DE202008002684U1 Schaltungsanordnung zur Ansteuerung eines elektrischen Verbrauchers in einer sicherheitskritischen Umgebung Circuit arrangement for driving an electrical load in a safety critical environment |
| 05/08/2008 | CA2667883A1 Systems and methods for arc fault detection |
| 05/07/2008 | EP1919053A2 State monitoring device for circuit breaker |
| 05/07/2008 | EP1919052A2 Control device for opening/closing member |
| 05/07/2008 | EP1018027B1 Method for the location of a high-resistance earth fault in a power distribution system on the basis of current measurements |
| 05/07/2008 | CN201057625Y Electric property checking and protecting equipment |
| 05/07/2008 | CN101175351A Circuit apparatus for overcurrent protection |
| 05/07/2008 | CN101174768A Method and system for instantaneous power-off protection of air conditioner |
| 05/07/2008 | CN101174767A Air conditioner and control method thereof |
| 05/07/2008 | CN101174746A Creepage protecting socket with life end checking function |
| 05/07/2008 | CN101174516A State monitoring device for circuit breaker |
| 05/07/2008 | CN101173964A Arc detection apparatus and method |
| 05/07/2008 | CN100386934C Intelligent leakage releaser |
| 05/07/2008 | CN100386637C Fault line selection method for single-phase-to-ground fault in small ground current distribution network and its line selection system |
| 05/06/2008 | US7370177 Mechanism for avoiding check stops in speculative accesses while operating in real mode |
| 05/06/2008 | US7370163 Adaptive cache engine for storage area network including systems and methods related thereto |
| 05/06/2008 | US7369389 Electronic trip unit for circuit breakers |
| 05/06/2008 | US7369384 Regulator and electronic apparatus therewith |
| 05/06/2008 | US7369382 Integrated circuit with an undervoltage detector |
| 05/06/2008 | US7369379 Methods, circuits, and applications using a resistor and a Schottky diode |
| 05/06/2008 | US7368918 Devices, systems, and methods for adaptive RF sensing in arc fault detection |
| 05/06/2008 | US7368834 Electronic protection devices for automatic circuit-breakers |
| 05/06/2008 | US7367829 Power source outlet device |
| 05/06/2008 | CA2418576C Smart solid state relay |
| 05/02/2008 | WO2008049946A1 Electric line protection system for determining the direction in which a fault arises |
| 05/02/2008 | WO2007143576A3 Gfci with self-test and remote annunciation capabilities |
| 05/02/2008 | CA2633639A1 Virtual closed loop power distribution system and method |
| 05/01/2008 | US20080100981 Over-current and over-voltage protection assembly apparatus |
| 05/01/2008 | US20080100976 Limiting energy in wiring faults combined upstream and downstream protection |
| 05/01/2008 | US20080100975 Distribution automation system |
| 05/01/2008 | US20080100973 Electrostatic discharge (ESD) protection arrangement and ESD protection method |
| 04/30/2008 | EP1916692A1 Residual current operated circuit breaker |
| 04/30/2008 | CN201054493Y Ground failure breaker with the life termination indication function |
| 04/30/2008 | CN201054492Y A three-polarity break current leakage protection device with ground cable current/voltage detection |
| 04/30/2008 | CN201054491Y Integrated protector for home power supply |
| 04/30/2008 | CN101171730A Method and apparatus for improving operational reliability during a loss of a phase voltage |
| 04/30/2008 | CN101170258A Half wave arc extinguishing type superconductive fault current limit possessing integral high speed switch module |
| 04/30/2008 | CN101170249A A lighting over-voltage protection method and system for remote computer room AC power input |
| 04/30/2008 | CN101170248A Alarming module for residual current breaker |
| 04/30/2008 | CN101170028A Omnipotent breaker with reclosing device and its control method |
| 04/30/2008 | CN101169632A Intelligent releaser modularized inquiring mode communication device and method |
| 04/30/2008 | CN100385764C Earth leakage protecting method and apparatus for one line one ground type DC supply circuit |
| 04/30/2008 | CN100385762C Composite high temperature superconductive power fault current limiter |
| 04/30/2008 | CN100385761C Electronic break-off unit with phase reset function and breaker including same |
| 04/30/2008 | CN100385212C Optical signal collecting and on-line monitoring method for electric power equipment internal failure |
| 04/29/2008 | US7366946 ROM redundancy in ROM embedded DRAM |