| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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| 06/08/2011 | CN102088188A DC power supply filter |
| 06/08/2011 | CN102088175A Double-circuit or multiple-circuit discharging device |
| 06/08/2011 | CN101615776B Aircraft applicable circuit imbalance detection and circuit interrupter thereof |
| 06/08/2011 | CN101443976B Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults |
| 06/02/2011 | US20110128661 Surge protection systems and methods for ethernet communication equipment in outside plant environments |
| 06/01/2011 | EP2327129A1 Secure arc flash detection |
| 05/31/2011 | US7952847 Lightning protection device |
| 05/31/2011 | CA2413708C Protection zone selection in an electric power system |
| 05/25/2011 | CN102077435A Method for selectively triggering circuit breakers in the event of a short circuit |
| 05/25/2011 | CN101432940B Systems, devices, and methods for arc fault detection |
| 05/24/2011 | US7948732 Electrostatic discharge protection device and an electronic device thereof |
| 05/24/2011 | US7948731 Static eliminator, and microphone electretizing method and apparatus using static eliminator |
| 05/24/2011 | US7948726 Electrostatic discharge (ESD) protection circuit and method |
| 05/24/2011 | US7948121 Safety switching apparatus |
| 05/18/2011 | EP2321660A1 Method and apparatus for fast fault detection |
| 05/18/2011 | EP2229685B1 Arc protection module |
| 05/18/2011 | EP1438778B1 Method for monitoring the reversing process of electrically actuatable units |
| 05/18/2011 | CN102067400A Fault current circuit breaker |
| 05/18/2011 | CN102067399A Electric installation structure |
| 05/17/2011 | US7944670 Surge protection circuit for passing DC and RF signals |
| 05/17/2011 | US7944669 Electric fence energizer lightning protection |
| 05/17/2011 | US7944668 Connection apparatus with high voltage impulse protection |
| 05/17/2011 | US7944659 ESD protection circuit for high speed signaling including a switch |
| 05/17/2011 | US7944658 Integrated circuit and assembly therewith |
| 05/17/2011 | US7944657 Electrostatic discharge protection circuit |
| 05/17/2011 | CA2379453C Direct current electrical system arc detection apparatus and method |
| 05/11/2011 | EP2319149A1 Overload relay |
| 05/11/2011 | CN102057549A Quarter wave stub surge suppressor with coupled pins |
| 05/11/2011 | CN101287325B Static eliminator |
| 05/11/2011 | CN101142649B Electric supply circuit, switch actuating device and method for operating said switch actuating device |
| 05/05/2011 | WO2011052860A1 Overheat prevention circuit of pcb plate for thermotherapy device |
| 05/04/2011 | CN201821075U Electronic arc-absorption circuit |
| 05/04/2011 | CN102047518A Method and system for the differential protection of an electrical link in a medium-voltage, high-voltage or very high-voltage network |
| 05/04/2011 | CN101458307B Synchronization controller for introducing electric voltage in high-voltage circuit-breaker synthesizing test |
| 05/03/2011 | USRE42319 Circuit protection device |
| 05/03/2011 | US7936551 Electronic device with electrostatic guiding structure |
| 04/28/2011 | US20110098951 Arrangement and method for generating a fault signal |
| 04/28/2011 | US20110096450 Combination current sensor and relay |
| 04/27/2011 | EP2315328A2 String and system employing direct current electrical generating modules and a number of string protectors |
| 04/27/2011 | CN102035163A Power supply device for residual current protector |
| 04/26/2011 | US7933108 Motor drive with low leakage surge protection |
| 04/26/2011 | US7933106 Surge protection device for coaxial cable with diagnostic capabilities |
| 04/26/2011 | CA2273553C Arc fault detector comparing integrated interval to interval filtered load current and circuit breaker incorporating same |
| 04/20/2011 | CN102027651A DC and RF pass broadband surge suppressor |
| 04/20/2011 | CN102027381A Phasor estimation during current transformer saturation |
| 04/13/2011 | EP1738620B1 Systems for immobilization |
| 04/13/2011 | CN102017349A Arc detector and associated method for detecting undesired arcs |
| 04/13/2011 | CN102013666A Three-phase power amplifier and reversing switch device used for the same |
| 04/12/2011 | US7925458 Arc fault detector with circuit interrupter |
| 04/07/2011 | WO2011039074A1 Communication network for a low voltage electric switchgear |
| 04/07/2011 | US20110080684 Solid-state device for voltage decreasing for the electric circuit of direct and alternating current of medium and high voltage |
| 04/07/2011 | US20110080683 Rf coaxial surge protectors with non-linear protection devices |
| 04/06/2011 | EP2306487A1 Wiring device with leakage detection function |
| 03/31/2011 | US20110075313 Plasma arrestor insert |
| 03/30/2011 | EP2301128A1 Method for producing a fault signal and electric protective device |
| 03/30/2011 | EP2016656B1 Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults |
| 03/30/2011 | CN1707705B Gas-insulated surge arrester and its manufacture method |
| 03/22/2011 | US7911759 Methods and arrangement for protecting against electrostatic discharge |
| 03/17/2011 | US20110066296 Method and Apparatus for Control of an Electric Power Distribution System in Response to Circuit Abnormalities |
| 03/15/2011 | US7907371 Circuit interrupting device with reset lockout and reverse wiring protection and method of manufacture |
| 03/10/2011 | WO2011027010A1 Method for protecting human beings against electric discharges |
| 03/10/2011 | WO2011003816A3 Method for operating a closing device of a motor vehicle and a closing device |
| 03/09/2011 | EP2291895A1 Method for selectively triggering circuit breakers in the event of a short circuit |
| 03/09/2011 | EP2291893A1 Fault current circuit breaker |
| 03/09/2011 | EP2291892A1 Electric installation structure |
| 03/08/2011 | US7903385 Static electricity control part and process for manufacturing the same |
| 03/02/2011 | EP2290773A2 Differential current transformer and residual current operated protective device |
| 03/01/2011 | US7898786 Intrinsically safe galvanically isolated barrier device and method thereof |
| 03/01/2011 | US7898427 Automatic oven shutoff fire prevention |
| 02/24/2011 | WO2011022124A1 Energy dissipative tubes, sealing devices, and methods of fabricating and installing the same |
| 02/24/2011 | US20110043952 Device for the prevention of serious faults in electrical mains supply networks |
| 02/24/2011 | CA2771377A1 Energy dissipative tubes, sealing devices, and methods of fabricating and installing the same |
| 02/23/2011 | EP2287989A1 Method and apparatus for locating a parallel arc fault |
| 02/17/2011 | US20110038090 Lightning protection device |
| 02/17/2011 | DE112008003473T5 Industrieller Bogenfehler-Schaltungsunterbrecher und Verfahren zum Detektieren von Bogenbildungszuständen Industrial arc fault circuit interrupter and method for detecting arcing conditions |
| 02/16/2011 | EP2283555A1 Method and system for the differential protection of an electrical link in a medium-voltage, high-voltage or very high-voltage network |
| 02/16/2011 | CN101978280A Arc fault root-cause finder system and method |
| 02/15/2011 | US7889473 Combination current sensor and relay |
| 02/10/2011 | WO2011014895A1 Electrical installation arrangement |
| 02/09/2011 | EP2282219A1 Device and method for providing electrical energy at a branch circuit supplying a load |
| 02/08/2011 | US7885050 Amplification relay device of electromagnetic wave and a radio electric power conversion apparatus using the above device |
| 02/08/2011 | US7885046 Low capacitance ESD protection structure for high speed input pins |
| 02/08/2011 | CA2359500C Fault type selection system for identifying faults in an electric power system |
| 02/03/2011 | WO2011012450A1 Device and method for providing electrical energy at a load circuit |
| 02/02/2011 | EP2279548A1 Arc detector and associated method for detecting undesired arcs |
| 02/02/2011 | CN101965669A Electronic DC circuit breaker |
| 02/01/2011 | US7881034 Surge protector with spatial variation |
| 01/26/2011 | EP2277250A2 Quarter wave stub surge suppressor with coupled pins |
| 01/26/2011 | CN101958526A Power distribution system and electrical switching apparatus employing a filter trap circuit to provide arc fault trip coordination |
| 01/25/2011 | US7876174 Power line coupling device and method |
| 01/20/2011 | US20110013333 Polarized lightning arrestors |
| 01/20/2011 | US20110013332 Polarized lightning arrestors |
| 01/20/2011 | US20110013331 Polarized lightning arrestors |
| 01/20/2011 | DE19745597B4 Verfahren zur Steuerung und Regelung der Verstellbewegung eines translatorisch verstellbaren Bauteils in Fahrzeugen Method for controlling and regulation of the adjusting movement of a translatory displaceable component in vehicles |
| 01/19/2011 | CN1639939B Circuit protection method, circuit protection system and distribution system |
| 01/18/2011 | US7872844 Composite electronic device |
| 01/13/2011 | WO2011003475A1 Intelligent electronic device with visual indicators having an enhanced impact |
| 01/12/2011 | EP2273644A1 Substation automation system with protection functions |
| 01/12/2011 | EP2273642A2 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
| 01/12/2011 | EP2271948A1 Phasor estimation during current transformer saturation |