| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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| 03/16/2010 | US7679878 Capacitor sharing surge protection circuit |
| 03/16/2010 | US7679877 Method for operating a transmission line and correspondingly constructed device |
| 03/10/2010 | CN101669261A Power backup in a drive unit for a circuit breaker, and a circuit breaker |
| 03/04/2010 | WO2010025091A1 Automation apparatuses with integrated communications servers |
| 03/04/2010 | US20100053837 Surge arrester |
| 03/03/2010 | EP2159893A1 Substation automation with redundant protection |
| 03/03/2010 | CN101663803A Compact secondary substation comprising a fault protection system, a method for fault protection in a compact secondary substation, and a control unit for performing the method |
| 03/02/2010 | US7672111 Electrostatic chuck and method for manufacturing same |
| 03/02/2010 | US7672103 Circuit having low operating voltage for protecting semiconductor device from electrostatic discharge |
| 03/02/2010 | US7672100 Electrostatic discharge protection structures with reduced latch-up risks |
| 03/02/2010 | US7672099 Current fault detector and circuit interrupter and packaging thereof |
| 02/24/2010 | EP2157675A2 Circuit breaker and use of such a circuit breaker in an electrical device |
| 02/24/2010 | EP2156529A1 Voltage measurements of electrically conducting elements in systems for controlling electrical processes |
| 02/24/2010 | EP2156200A1 Increased reliability in the processing of digital signals |
| 02/23/2010 | US7667937 Control device for an electronic domestic appliance |
| 02/23/2010 | US7667935 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
| 02/17/2010 | EP2153501A1 Power switch for preventing accidental arcs |
| 02/17/2010 | CN100590944C Method and electronic power supply device for supplying power to a low-voltage load protected by a protective device |
| 02/16/2010 | US7663860 Electrostatic chuck |
| 02/16/2010 | US7663856 Spark gap comprising an optically triggered power semiconductor component |
| 02/16/2010 | US7663855 Circuit for preventing surge, connector and electronic apparatus thereof |
| 02/11/2010 | WO2010015811A1 Overload relay |
| 02/10/2010 | EP2151030A1 Method for correcting a secondary current path of a current converter disturbed by saturations, and electric field device for conducting said method |
| 02/09/2010 | US7660096 Circuit protection device having thermally coupled MOV overvoltage element and PPTC overcurrent element |
| 02/09/2010 | US7660095 Surge protector |
| 02/09/2010 | US7660093 Arrester block module assembly and method |
| 02/04/2010 | WO2010014302A1 Method and apparatus for fast fault detection |
| 02/04/2010 | US20100027182 Device for protecting an electrical installation, corresponding method and use |
| 02/04/2010 | US20100027181 Coaxial In-Line Assembly |
| 02/03/2010 | EP2149955A2 An electrical protection arrangement for an electrical distribution network |
| 02/03/2010 | EP2149954A1 An interface module for communication with an electronic or an electro-mechanical device of a medium voltage interruption unit. |
| 02/03/2010 | EP2149953A2 Arc flash detection system, apparatus and method |
| 02/02/2010 | US7656640 Voltage surge protection device |
| 01/28/2010 | WO2010010061A1 Apparatus for shutting off a fault current in a current-carrying line |
| 01/28/2010 | US20100020458 Chip-type protection device having enclosed micro-gap between electrodes |
| 01/27/2010 | CN201393043Y Switching value input/output interface circuits for relay protective device |
| 01/26/2010 | US7653004 Method and system for improving time of arrival (TOA) measurements in a wireless communication network |
| 01/26/2010 | US7652865 Earthing device which needs not be buried under ground |
| 01/21/2010 | WO2010006632A1 Method for producing a fault signal and electric protective device |
| 01/20/2010 | CN101630829A Strong electric switching value input module with requirement on power |
| 01/20/2010 | CN100583588C Circuit arrangement for rapidly switching off low-voltage power switch |
| 01/20/2010 | CN100582797C Method and system for identifying faulted phase |
| 01/19/2010 | US7649723 ESD protection substrate and integrated circuit utilizing the same |
| 01/19/2010 | CA2325300C Current transfer arrangement for circuit interrupter |
| 01/14/2010 | WO2010005658A1 Wireless current transformer |
| 01/12/2010 | US7646578 Filter circuit and filter device |
| 01/12/2010 | US7646577 Power plugging device with a function of releasing charges from electric surges |
| 01/12/2010 | US7646573 Method for improved triggering and oscillation suppression of ESD clamping devices |
| 01/07/2010 | WO2009126669A3 Quarter wave stub surge suppressor with coupled pins |
| 01/07/2010 | US20100002347 Street furniture safety device |
| 01/06/2010 | CN100578241C Method and device for oriental insulating barrier in isolated offground AC network |
| 01/05/2010 | US7643265 Gas-filled surge arrester, activating compound, ignition stripes and method therefore |
| 12/30/2009 | WO2009156513A1 Method for selectively triggering circuit breakers in the event of a short circuit |
| 12/30/2009 | CN101615776A Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
| 12/24/2009 | US20090316320 Power supply abnormality detection circuit for on-vehicle electronic control device |
| 12/23/2009 | WO2009152540A1 Electric installation structure |
| 12/23/2009 | WO2009152539A1 Fault current circuit breaker |
| 12/23/2009 | WO2009152538A1 Residual current-operated circuit breaker |
| 12/23/2009 | EP2135097A1 Method and device for evaluating fast current changes |
| 12/22/2009 | US7636228 Arrester |
| 12/22/2009 | CA2298610C Redundant communications in a protective relay |
| 12/22/2009 | CA2256210C Arc fault detector with circuit interrupter |
| 12/17/2009 | US20090312070 Portable electronic device |
| 12/17/2009 | US20090310273 Electromagnetic pulse protection circuit having wave filtering capability |
| 12/17/2009 | DE102004050691B4 Antriebsvorrichtung für ein elektrisch betätigtes Fenster Drive device for an electrically operated window |
| 12/15/2009 | US7633737 Liquid immersed surge arrester |
| 12/15/2009 | CA2461810C Method and apparatus for welding with high frequency protection |
| 12/10/2009 | WO2009147078A1 Method and system for the differential protection of an electrical link in a medium-voltage, high-voltage or very high-voltage network |
| 12/10/2009 | CA2730375A1 A method and apparatus for providing differential protection for an electrical link in a medium, high, or very high voltage network |
| 12/09/2009 | EP2130349A1 Method of configuring an intelligent electronic device |
| 12/09/2009 | CN201359769Y Remote controller for high voltage intelligent comprehensive protector |
| 12/09/2009 | CN100568656C Current fault detector and circuit interrupter and packaging thereof |
| 12/08/2009 | US7630187 High-voltage pulse protection device and video apparatus deployment thereof |
| 12/08/2009 | US7630183 ESD inducing apparatus in mobile communication terminal with fingerprint recognition function |
| 12/08/2009 | US7630182 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof |
| 12/08/2009 | US7628879 Conductive scrim embedded structural adhesive films |
| 12/08/2009 | CA2488045C Instantaneous overcurrent element for heavily saturated current in a power system |
| 12/03/2009 | DE102004036490B4 Schutzeinrichtung in einem Steuergerät Protection device in a control device |
| 12/02/2009 | EP2127052A2 Compact secondary substation comprising an arcing fault protection system, a method for arcing fault protection in a compact secondary substation, and a control unit for performing the method |
| 12/02/2009 | EP2126653A1 Method and apparatus for mitigation of dynamic overvoltage |
| 12/02/2009 | CN100565718C A surge arrester |
| 11/26/2009 | WO2009142657A1 Dc and rf pass broadband surge suppressor |
| 11/25/2009 | EP2122795A1 Device and method for detecting faulted phases in a multi-phase electrical network |
| 11/25/2009 | CN100563074C Electronic tripgear for low-voltage circuit breaker |
| 11/25/2009 | CN100563073C Electronic circuit breaker |
| 11/19/2009 | WO2009120324A3 Arc fault root-cause finder system and method |
| 11/19/2009 | US20090284888 Dc and rf pass broadband surge suppressor |
| 11/19/2009 | US20090284887 Protective device |
| 11/19/2009 | US20090284877 Integrated Overload and Low Voltage Interrupt Module |
| 11/18/2009 | EP2120306A2 ARC Detecting device and aircraft equipped therewith |
| 11/17/2009 | US7619863 Gated thyristor and related system and method |
| 11/12/2009 | US20090279225 Current limiting surge protection device |
| 11/11/2009 | EP2115844A1 Arc fault circuit interrupter and method of parallel arc fault detection |
| 11/11/2009 | EP2115843A1 Arc fault circuit interrupter and method of parallel and series arc fault detection |
| 11/11/2009 | CN100559309C Protection system for power distribution systems |
| 11/10/2009 | US7616424 Surge suppression module with disconnect |
| 11/10/2009 | US7616418 Mitigation of current collapse in transient blocking units |
| 11/10/2009 | US7616414 ESD protection circuit for high speed signaling including T/R switches |
| 11/05/2009 | US20090276173 System for remedying electrical power instability |
| 11/03/2009 | US7612976 Transient voltage protection circuit boards and manufacturing methods |