| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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| 03/15/2012 | US20120063051 Protection circuit |
| 03/15/2012 | US20120063050 Methods for forming a structure having a lightning strike protection |
| 03/15/2012 | US20120063046 Device for protecting an electronic printed circuit board |
| 03/15/2012 | CA2752391A1 Systems and methods for protection of components in electrical power delivery systems |
| 03/14/2012 | EP2429050A2 Methods, systems, and apparatus for detecting arc flash events using light and time discrimination |
| 03/14/2012 | CN102377163A Electronic tripping device with function of monitoring tripping power source |
| 03/13/2012 | US8134815 Integrated circuit and assembly therewith |
| 03/13/2012 | CA2434294C Electrical switching apparatus including glowing contact protection |
| 03/08/2012 | WO2012028247A1 Method and device for safely switching a photovoltaic system after differentiating the arc type |
| 03/08/2012 | US20120057978 Wind turbine with low electromagnetic radiation |
| 03/08/2012 | US20120057265 Zinc-oxide surge arrester for high-temperature operation |
| 03/08/2012 | CA2809895A1 Method and device for safely switching a photovoltaic system after differentiating the arc type |
| 03/07/2012 | EP2426802A2 Apparatus and method for quickly determining fault in electric power system |
| 03/06/2012 | US8130480 Circuit interrupting device with reset lockout |
| 03/01/2012 | WO2011073772A3 Direct current arc fault circuit interrupter, direct current arc fault detector, noise blanking circuit for a direct current arc fault circuit interrupter, and method of detecting arc faults |
| 03/01/2012 | DE102010036079A1 Schalter, insbesondere Leistungsschalter für Niederspannungen, und Energieversorgung für eine elektronische Auslöseeinheit eines Schalters Switch, in particular circuit breaker for low voltages, and power supply for an electronic trip unit of a switch |
| 03/01/2012 | DE102010036078A1 Energieversorgung für eine elektronische Auslöseeinheit eines Schalters, insbesondere eines Leistungsschalters für Niederspannungen, und einen Schalter mit einer solchen Energieversorgung Power supply for an electronic trip unit of a switch, in particular a power switch for low voltages, and a switch with such a power supply |
| 02/29/2012 | EP2424062A2 Switch, in particular Circuit breaker for Low Voltage, and power supply for an electronic trip unit of a switch |
| 02/29/2012 | EP2424061A2 Branch circuit protection with in-line solid state device |
| 02/29/2012 | EP2424060A2 Redundant systems, methods, and apparatus for use in arc flash prevention systems |
| 02/29/2012 | EP2424059A2 Methods, systems, and apparatus for detecting arc flash events using current and voltage |
| 02/29/2012 | EP2423938A2 Energy supply for an electronic trigger unit of a switch, in particular a circuit breaker for low voltages and a switch with such an energy supply |
| 02/28/2012 | US8125752 Coaxial broadband surge protector |
| 02/22/2012 | CN102362405A Circuit breaker having detection of the aperiodic current change |
| 02/21/2012 | US8120884 Reverse voltage protection circuit |
| 02/14/2012 | US8116057 Data port transient protection apparatus and methods |
| 02/14/2012 | CA2333105C Fault data synchronization via peer-to-peer communications network |
| 02/09/2012 | US20120033339 Surge protection magazine for a device in telecommunications and data technology |
| 02/02/2012 | WO2012013737A1 Circuit breaker and device for monitoring a circuit breaker |
| 02/01/2012 | EP2413447A2 Method and apparatus for use in monitoring operation of electrical switchgear |
| 02/01/2012 | CN102340122A An improved trip circuit supervision relay for low and medium voltage applications |
| 01/31/2012 | US8107206 Surge arrester |
| 01/26/2012 | WO2012012486A1 Systems and methods for providing arc fault and/or ground fault protection for distributed generation sources |
| 01/26/2012 | US20120019962 Sensing and Control Electronics for a Power Grid Protection System |
| 01/26/2012 | CA2806013A1 Systems and methods for providing arc fault and/or ground fault protection for distributed generation sources |
| 01/25/2012 | CN202126922U Current transformer structure for molded case circuit breaker |
| 01/24/2012 | US8102635 Method and arrangement for triggering a series spark gap |
| 01/24/2012 | US8102633 Power supply equalization circuit using distributed high-voltage and low-voltage shunt circuits |
| 01/24/2012 | US8102632 Electrostatic discharge power clamp trigger circuit using low stress voltage devices |
| 01/24/2012 | CA2326434C Distributed logic in multiple protective relays |
| 01/19/2012 | US20120014018 Power and control unit for a low or medium voltage apparatus |
| 01/18/2012 | EP2408078A2 Centrally controlled protection system having reduced energy let-through mode |
| 01/11/2012 | EP1763914B1 Electronic protection devices for circuit-breakers |
| 01/11/2012 | CN102315619A Apparatus for energizing a protective device, and associated method |
| 01/10/2012 | US8094425 Combination current sensor and relay |
| 01/10/2012 | CA2554962C High impedance fault detection |
| 01/10/2012 | CA2335814C Adaptive sampling rate based on power system frequency |
| 01/05/2012 | WO2012003074A1 Grading devices for a high voltage apparatus |
| 01/05/2012 | US20120002339 Grading Devices For A High Voltage Apparatus |
| 01/04/2012 | EP2403088A2 SSPC for parallel arc fault detection in DC power system |
| 01/04/2012 | EP2402769A1 Combined detection device for electrical variables |
| 01/04/2012 | CN101465245B Device for preventing false action of low-voltage apparatus implement device |
| 01/03/2012 | CA2333333C Improvements in electrical protection and control systems |
| 12/28/2011 | EP2399328A1 Circuit breaker having detection of the aperiodic current change |
| 12/27/2011 | US8085520 Manufacturing process for surge arrester module using pre-impregnated composite |
| 12/22/2011 | US20110308472 Method And Apparatus For Monitoring And Mitigating Stray Electrical Energy |
| 12/15/2011 | US20110304946 Surge absorbing element |
| 12/14/2011 | EP2395619A2 SSPC with dual fault detectors |
| 12/13/2011 | US8077442 Lightning arrester and method of manufacturing and assembling the same |
| 12/13/2011 | CA2583705C Dynamic energy threshold calculation for high impedance fault detection |
| 12/08/2011 | WO2011151267A2 An arc fault detector for ac or dc installations |
| 12/08/2011 | WO2011127498A3 Residual current device |
| 12/08/2011 | US20110299211 Surge Arrester Having a Short-Circuit Device |
| 12/07/2011 | EP1728302B1 Digital signal processor implementation of high impedance fault algorithms |
| 12/06/2011 | US8072731 Static eliminator and discharge electrode unit built therein |
| 12/06/2011 | US8072728 Overvoltage protection device |
| 12/06/2011 | US8072719 Systems, circuits, chips and methods with protection at power island boundaries |
| 12/01/2011 | WO2011127270A3 Arc fault circuit detection methods, systems, and apparatus including delay |
| 11/30/2011 | EP2390980A1 Method and device for detecting an intermittent earth fault in a multiple feeder system |
| 11/30/2011 | CN102263395A 发电装置的安全断开设备以及实现这样一种设备的方法 The method of disconnecting power plant safety equipment and realization of such a device |
| 11/29/2011 | US8068958 Method for monitoring the adjustment movement of a component driven by a drive device |
| 11/29/2011 | CA2542724C Single-sensor microcontroller-based approach for ground fault circuit interrupters |
| 11/24/2011 | US20110286139 Non-solid conductive surge absorber |
| 11/23/2011 | EP2387829A1 Communication method and system |
| 11/23/2011 | CN102257694A Power grid outage and fault condition management |
| 11/23/2011 | CN102257689A Unit for monitoring and/or signaling or visualizing operating parameters of a gas-insulated switchgear system |
| 11/23/2011 | CN101675486B Surge arrester having a varistor arrangement and varistor module for use in a surge arrester |
| 11/22/2011 | US8064181 Surge arrester with a cage design |
| 11/22/2011 | US8064177 ESD protection for DC/DC converter |
| 11/22/2011 | US8063336 Multi-frequency static neutralization |
| 11/22/2011 | CA2443094C System and method for aligning data between local and remote sources thereof |
| 11/17/2011 | WO2011143374A1 System and method for providing overvoltage protection |
| 11/17/2011 | WO2011091348A3 Transient detector and fault classifier for a power distribution system |
| 11/17/2011 | US20110279933 Circuit interrupting device with reset lockout |
| 11/16/2011 | EP2387120A2 Apparatus and method to detect a series arc fault of an electrical circuit |
| 11/16/2011 | EP2386123A2 Method and apparatus for secure energy delivery |
| 11/16/2011 | EP1836755B1 Apparatus for the remote resetting of an electrical device |
| 11/16/2011 | EP1436875B1 Voltage limiter |
| 11/15/2011 | US8060007 Adaptive crosspole technique |
| 11/15/2011 | US8059380 Package level ESD protection and method therefor |
| 11/15/2011 | US8059379 Lightning arrestor |
| 11/15/2011 | US8059376 ESD clamp for high voltage operation |
| 11/15/2011 | CA2369429C Method for discriminating abnormal current including arc current in ac load circuit and apparatus for executing the same |
| 11/09/2011 | EP2385600A2 Remote communication system and method |
| 11/09/2011 | CN101238536B Safety switching unit for controlling a safety device into a safe state |
| 11/08/2011 | US8054596 Semiconductor device |
| 11/08/2011 | US8054595 Circuit interrupting device with reset lockout |
| 11/08/2011 | CA2373656C Cvt transient filter |
| 11/03/2011 | US20110267733 Protective cover for an early streamer emission lightning arrester |
| 11/02/2011 | EP2383855A2 Arc flash detection system and method |