| 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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| 12/02/2009 | CN101593961A Direct-current power supply short-circuit protection circuit based on non-contact current sampling |
| 12/02/2009 | CN101593960A Randomly combined anti-lightening protector |
| 12/02/2009 | CN101593906A Method for realizing intelligent and safe control of mobile socket |
| 12/02/2009 | CN101592517A Protection circuit of excitation power supply of weighing sensor |
| 12/02/2009 | CN100566075C Intrinsically safety type uninterruptible DC voltage stabilizing power source for explosive gas atmosphere |
| 12/02/2009 | CN100566070C Charging/discharging control circuit and charging type power source unit |
| 12/02/2009 | CN100566068C A hardware over-voltage breaking circuit |
| 12/02/2009 | CN100566067C System and method for managing fault in a power system |
| 12/01/2009 | US7627792 Memory built-in self repair (MBISR) circuits/devices and method for repairing a memory comprising a memory built-in self repair (MBISR) structure |
| 12/01/2009 | US7627779 Multiple hierarichal/peer domain file server with domain based, cross domain cooperative fault handling mechanisms |
| 12/01/2009 | US7627055 Error adjustment in direct conversion architectures |
| 12/01/2009 | US7626797 Solid state power controller with lightning protection |
| 12/01/2009 | US7626796 Power distribution unit with two pole circuit breaker |
| 12/01/2009 | US7626793 Transistor overcurrent detection circuit with improved response time |
| 12/01/2009 | US7626792 Power supply control apparatus including highly-reliable overcurrent detecting circuit |
| 12/01/2009 | US7626791 Electrical fault detection |
| 12/01/2009 | US7626789 Shutoff system for pool or spa |
| 12/01/2009 | US7626788 Control circuit of ground fault circuit interrupter (GFCI) |
| 12/01/2009 | US7626396 Systems and methods for electrical leakage detection and compensation |
| 12/01/2009 | US7626286 Method for mains-synchronous switching of circuit breakers, and an apparatus for carrying out this method |
| 12/01/2009 | US7626283 Alternative alternating current power supply and method of its use |
| 11/26/2009 | WO2009143197A1 Circuit testing closer apparatus and method with dynamic test thresholds |
| 11/26/2009 | CA2725580A1 Circuit testing closer apparatus and method with dynamic test thresholds |
| 11/25/2009 | EP2124309A1 Switching device with extendible technology function and related process |
| 11/25/2009 | EP2124068A1 Ac electric quantity measuring device |
| 11/25/2009 | EP2122795A1 Device and method for detecting faulted phases in a multi-phase electrical network |
| 11/25/2009 | EP2050105B1 Disconnector for a surge arrester particularly for a pluggable surge arrester |
| 11/25/2009 | CN201352713Y Photovoltaic array junction box |
| 11/25/2009 | CN201352705Y Pilot control circuit |
| 11/25/2009 | CN201352704Y Digital hardware protection circuit |
| 11/25/2009 | CN201352703Y Three-phase or single-phase multifunctional intelligent power protector |
| 11/25/2009 | CN201352398Y PLC comprehensive training equipment |
| 11/25/2009 | CN101589528A Residual current device |
| 11/25/2009 | CN101588063A High power low residual voltage lightning protection module |
| 11/25/2009 | CN101588056A Overtemperature protection circuit |
| 11/25/2009 | CN100563079C Power socket device dedicated for charger and power source transmission method |
| 11/25/2009 | CN100563076C A DC lightning prevention unit and its alarming circuit |
| 11/25/2009 | CN100563075C Same lever/parallel double loop high resistance earthing protecting method and device |
| 11/25/2009 | CN100563074C Electronic tripgear for low-voltage circuit breaker |
| 11/24/2009 | US7624365 Semiconductor integrated device and apparatus for designing the same |
| 11/24/2009 | US7623331 Method and system for improving voltage regulator accuracy in vehicle alternators |
| 11/24/2009 | US7623330 Ground fault circuit interrupter device |
| 11/24/2009 | US7623329 Leakage current detection and interruption circuit with improved shield |
| 11/24/2009 | US7623326 Method and device for switching off an inductive load in a failsafe manner |
| 11/19/2009 | WO2009109760A3 Lightning detection |
| 11/19/2009 | US20090287430 System and Method for Detecting Leak Current |
| 11/19/2009 | US20090284887 Protective device |
| 11/19/2009 | US20090284886 Power amplifier |
| 11/19/2009 | US20090284880 Protection Device with Lockout Test |
| 11/19/2009 | US20090284875 Receptacle with arc protection circuitry |
| 11/19/2009 | DE102008001780A1 Verfahren zur Fehlerbehandlung für ein Steuergerät für ein Personenschutzsystem und Steuergerät für ein Personenschutzsystem Method for error handling for a control device for a passenger protection system and control unit for a passenger protection system |
| 11/18/2009 | EP2118992A1 Electronic security for a power supply |
| 11/18/2009 | EP2118981A2 Calibrating a powered actuator |
| 11/18/2009 | EP2118980A1 Bipolar dc to ac power converter with dc ground fault interrupt |
| 11/18/2009 | CN201349292Y HDMI display data channel power supply circuit |
| 11/18/2009 | CN201349121Y Direct current input overvoltage and under-voltage protection circuit |
| 11/18/2009 | CN201349120Y Multi-function three-phase power source protector |
| 11/18/2009 | CN201349072Y High-accuracy over-current protecting socket |
| 11/18/2009 | CN101582587A Guard grating |
| 11/18/2009 | CN101582586A Digital automatic harmonic elimination device |
| 11/18/2009 | CN101582581A Electricity leakage-prevention and overcurrent protection device |
| 11/18/2009 | CN101582580A Input/output over-voltage protection circuit |
| 11/18/2009 | CN101582354A Electromagnetic short current protective device for breaker |
| 11/18/2009 | CN101582353A Electromagnetic short current protective mechanism for breaker |
| 11/18/2009 | CN101582239A Preset value switch stabilized voltage supply, controller, distributor and distributing system |
| 11/18/2009 | CN100561814C Protecting circuit for electrical equipment |
| 11/18/2009 | CN100561813C Method for restraining late-class circuit hot swap impact current and its buffering asynchronous start circuit |
| 11/17/2009 | US7619869 Electrical circuit breaker |
| 11/17/2009 | US7619866 Electric trip device provided with monitoring means, circuit breaker comprising one such trip device and method of monitoring |
| 11/17/2009 | US7619865 Electronic circuit protection device with I2t or other function |
| 11/17/2009 | US7619864 Regulator short-circuit protection circuit and method |
| 11/17/2009 | US7619863 Gated thyristor and related system and method |
| 11/17/2009 | US7619862 Electrostatic discharge protection circuit for high voltage input pad |
| 11/17/2009 | US7619861 Protective device having a thin construction |
| 11/17/2009 | US7619860 Electrical wiring device |
| 11/16/2009 | CA2676575A1 Power secure |
| 11/12/2009 | WO2009137817A1 Device and method for measuring current and power in a plug or receptacle |
| 11/12/2009 | WO2009135833A1 Device and method for monitoring a protection apparatus |
| 11/12/2009 | WO2008046068A8 System and method for detection of multiple current limits |
| 11/12/2009 | US20090279329 Digital latch control circuit for over-voltage protection and power converter using the control circuit |
| 11/12/2009 | US20090279224 Transient voltage compensation system and method |
| 11/12/2009 | US20090279217 Building Service Ground Fault Interrupter |
| 11/12/2009 | DE102008023157A1 Hydraulikventilsteuerschaltung und Verfahren zur Funktionsüberprüfung einer Hydraulikventilsteuerschaltug Hydraulic valve control circuit and method for functional verification of a Hydraulikventilsteuerschaltug |
| 11/12/2009 | DE102008022744A1 Schaltungsanordnung und System zum Einsatz in einem Kraftfahrzeug A circuit arrangement and system for use in a motor vehicle |
| 11/11/2009 | EP2117094A2 Monitoring switch and method for checking the switch |
| 11/11/2009 | EP2116339A1 Parallel mechanism |
| 11/11/2009 | EP2115845A1 Apparatus for monitoring discharge processes in a conductor of a medium-voltage or high-voltage system |
| 11/11/2009 | EP2115761A2 Configurable arc fault or ground fault circuit interrupter and method |
| 11/11/2009 | EP1550192B1 System and method for application monitoring and automatic disaster recovery for high-availability |
| 11/11/2009 | EP1295374B1 Method and device for power system protection |
| 11/11/2009 | CN201345641Y Constraining power controller |
| 11/11/2009 | CN201345550Y A three-phase non-office amplifying power harmonic power-supply apparatus |
| 11/11/2009 | CN201345538Y Motor protection device |
| 11/11/2009 | CN201345536Y Transformer neutral point capacitance-resistance mixed type inhibition direct current device |
| 11/11/2009 | CN201345534Y Switch power supply cycle-by-cycle overvoltage protective circuit |
| 11/11/2009 | CN201345533Y Electronic over/under-voltage protection device for low-voltage circuit breaker |
| 11/11/2009 | CN201345532Y Power output short-circuit protection circuit |
| 11/11/2009 | CN201345531Y Intelligent management control device for electric energy |
| 11/11/2009 | CN201345530Y Current foldback circuit |
| 11/11/2009 | CN201345529Y Electric current limiter |