| 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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| 03/25/2010 | US20100073838 Safety device and method for electric heating appliances |
| 03/25/2010 | US20100073837 Usb port overvoltage protection |
| 03/25/2010 | US20100073836 Supervision Circuit to Detect Very Fast Power Supply Drops |
| 03/25/2010 | US20100073835 Remote sensing circuit and high-power supply apparatus having the same |
| 03/25/2010 | US20100073832 Power cutoff device automatically operated upon occurrence of spark on electric wire |
| 03/25/2010 | US20100073831 Protective device with metering and oscillography |
| 03/25/2010 | US20100073830 Secure arc flash detection |
| 03/25/2010 | US20100073178 Novel circuit interrupting device with high voltage surge protection |
| 03/25/2010 | US20100072285 Semiconductor Device and Wireless Tag Using the Same |
| 03/25/2010 | DE202009015655U1 Für Alkali-Batterie und Nickel-Metallhydrid-Batterie geeignetes Batterieladegerät For alkaline battery and nickel-metal hydride battery suitable battery charger |
| 03/25/2010 | DE10222108B4 Netzanschlusseinheit mit einem Netzentstörfilter für ein elektrisch betriebenes Haushaltgerät Power supply unit with a mains filter for a domestic electrical apparatus |
| 03/25/2010 | DE102008047256A1 Method for disconnecting current during high voltage with disconnecting unit, involves controlling flowing current of controlling medium by backup units |
| 03/25/2010 | CA2758723A1 Method and apparatus for detecting a fault in an active line, neutral return line or earth return path of an electrical network |
| 03/25/2010 | CA2737689A1 Reclosing system for power transmission line |
| 03/25/2010 | CA2736137A1 Validation of arc flash detection systems |
| 03/25/2010 | CA2736044A1 Distributed bus differential protection using time-stamped data |
| 03/25/2010 | CA2736033A1 Electro-optical radiation collector for arc flash detection |
| 03/25/2010 | CA2736015A1 Secure arc flash detection |
| 03/25/2010 | CA2736009A1 Arc flash protection with self-test |
| 03/25/2010 | CA2736007A1 Protective device with metering and oscillography |
| 03/24/2010 | EP2165401A1 Nulling current transformer |
| 03/24/2010 | EP2165246A2 Method and system for managing electrical power supply outages on board an aircraft |
| 03/24/2010 | EP2084798B1 Load compensation in distance protection of a three-phase power transmission line |
| 03/24/2010 | CN201430706Y Double-transformer lighting regulating and control device circuit for streetlamps |
| 03/24/2010 | CN201430579Y Logic switch control circuit with functions of overheating and overvoltage protection for GaAs FET |
| 03/24/2010 | CN201430550Y Solar energy current converging equipment |
| 03/24/2010 | CN201430445Y Semiconductor mechanical integrated switch |
| 03/24/2010 | CN201430439Y Wiring protection device |
| 03/24/2010 | CN201430415Y Power supply single-phase protector |
| 03/24/2010 | CN201430414Y Power-off device for electric leakage |
| 03/24/2010 | CN201430413Y Protection circuit structure |
| 03/24/2010 | CN101682203A 充电装置和充电系统 Charging means and the charging system |
| 03/24/2010 | CN101682185A Method for determining an adjustment value indicating a ground impedance and measurement device |
| 03/24/2010 | CN101682184A Power supply monitoring system |
| 03/24/2010 | CN101682183A Power switch for preventing accidental arcs |
| 03/24/2010 | CN101677181A Current fault detector and circuit interrupter and packaging thereof |
| 03/24/2010 | CN101677048A Circuit interrupter trip apparatus and method |
| 03/23/2010 | US7684166 Surge voltage protection device with improved disconnection and visual indication means |
| 03/23/2010 | US7684165 Circuit element and method for protecting a load circuit |
| 03/23/2010 | US7684164 Automatic power-off protection apparatus |
| 03/23/2010 | US7684163 Abnormal connection detecting circuit and driving device including the same |
| 03/23/2010 | US7684162 Leakage current protection device |
| 03/23/2010 | US7683626 Circuit with an arrangement for the detection of an interrupted connecting line |
| 03/23/2010 | CA2354533C Intelligent power distribution network |
| 03/18/2010 | WO2010029538A2 Method and system for a safe electricity flow for an electrical devices and systems and for controlling the electricity flow in the wires and reducing electricity radiation and electricity consumption |
| 03/18/2010 | US20100067160 Leakage current protection plug and interrupt protection plug contact spring structure |
| 03/18/2010 | US20100067158 Over-voltage protection circuit |
| 03/18/2010 | US20100067157 Test Plug With Overvoltage Protection |
| 03/18/2010 | US20100067153 System utilizing a ground fault circuit interrupter (GFCI) as a remote controlled protection device |
| 03/18/2010 | US20100066376 Method for testing a protective device, a protective device, and test device |
| 03/18/2010 | DE20221993U1 Personenschutzvorrichtung zum Schutz von Personen vor elektrischen Körperströmen Personal protection device to protect people from electric shock currents |
| 03/18/2010 | DE102008042121A1 Method for monitoring power circuit of vehicle, involves reviewing current of battery regarding exceeding of predetermined current threshold in monitoring process |
| 03/17/2010 | EP2164146A2 Control apparatus and control method for residual current circuit breaker |
| 03/17/2010 | EP2162963A2 Resettable short-circuit protection circuit |
| 03/17/2010 | EP2162891A1 Resettable mems micro-switch array based on current limiting apparatus |
| 03/17/2010 | CN201426039Y Centralized control and protection device for TRT and GIS combined electric appliance |
| 03/17/2010 | CN201426034Y Bus short-circuit protector in visible walky-talky system |
| 03/17/2010 | CN201426033Y Self-recovery current limiting circuit break device by utilizing conductive fluid and magnetic fluid |
| 03/17/2010 | CN201425995Y Power plug with leakage protection function |
| 03/17/2010 | CN201425994Y Power plug with leakage protection function |
| 03/17/2010 | CN101675578A Power supply apparatus |
| 03/17/2010 | CN101675565A System and method for detection multiple current limits |
| 03/17/2010 | CN101674044A Voltage protection device |
| 03/17/2010 | CN101674024A Direct-current power supply circuit |
| 03/17/2010 | CN101673938A Output short-circuit soft-restoration control circuit and application thereof in DC-DC converter |
| 03/17/2010 | CN101673936A 保护系统 Protection system |
| 03/17/2010 | CN101673934A Serial arc-fault circuit interrupter and serial arc-fault protection method thereof |
| 03/17/2010 | CN101673933A Protection device of power supply line disconnection fault |
| 03/17/2010 | CN101673932A Low-voltage cutting device and method for driers |
| 03/17/2010 | CN101673931A Ungrounded neutral three-phase electric leakage protection method |
| 03/17/2010 | CN101673930A Arc detection using discrete wavelet transforms |
| 03/17/2010 | CN101673929A A circuit breaker |
| 03/17/2010 | CN101673928A Input/output overcurrent and overvoltage protective module of microcomputer distributed control system |
| 03/17/2010 | CN101673927A Method for starting recloser of extra high-voltage transmission line |
| 03/17/2010 | CN101673926A Breaker controller with over-current backup protection and protection method thereof |
| 03/17/2010 | CN101673925A Control device and control method for residual current circuit-breakers |
| 03/17/2010 | CN100594647C Electrostatic discharge protection circuit |
| 03/16/2010 | US7679878 Capacitor sharing surge protection circuit |
| 03/16/2010 | US7679877 Method for operating a transmission line and correspondingly constructed device |
| 03/16/2010 | US7679875 Protective circuitry for photomultiplier tubes |
| 03/16/2010 | US7679874 Power overload detection method and structure therefor |
| 03/16/2010 | US7679873 Deep discharge protection for battery packs with cell groups |
| 03/16/2010 | US7679868 Power supply apparatus |
| 03/16/2010 | US7679224 Circuit for protecting computer |
| 03/11/2010 | WO2010028286A1 Apparatus and method for adaptive fault detection in mv distribution circuits |
| 03/11/2010 | WO2010026659A1 Overcurrent detection circuit, inverter, compressor, air conditioner, and overcurrent detection circuit adjusting method |
| 03/11/2010 | WO2010025758A1 Device having a converter |
| 03/11/2010 | WO2010025606A1 Safety fire-proofing electric-control device |
| 03/11/2010 | WO2010006094A8 Fault protector for opto-electronic devices and associated methods |
| 03/11/2010 | WO2009121667A3 Switching device and method for operating same |
| 03/11/2010 | WO2009090657A3 Controllable power relay |
| 03/11/2010 | DE102008041854A1 Electronic circuit arrangement has reverse polarity and multiple power supply lines of power source with energy consumer load, where control circuit is connected with controllable switching devices |
| 03/11/2010 | CA2736459A1 Apparatus and method for adaptive fault detection in mv distribution circuits |
| 03/10/2010 | EP2160825A1 Power supply apparatus |
| 03/10/2010 | EP2160809A1 Method for increasing the sensitivity of a differential protection system |
| 03/10/2010 | EP2160748A1 Residual current circuit breaker with additional emergency switch |
| 03/10/2010 | CN201422187Y Soft-touch light-adjusting switch |
| 03/10/2010 | CN201422029Y Intelligent explosion-proof and intrinsically safe type direct current power supply |
| 03/10/2010 | CN201422012Y Leakage detection and protection circuit with end-of-life detection and display function |
| 03/10/2010 | CN201422011Y Leakage-detecting protective circuit |