H02H 3/04

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Showing 1 to 20 of 181 results

Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9997048 Power failure monitoring device of digital protection relayJul 20, 16Jun 12, 18LSIS Co., Ltd.
9964574 Residual current detecting (RCD) and ground impedance monitoring transformer and control methodsJun 05, 17May 08, 18AEROVIRONMENT, INC.
9960721 Motor control device provided with power failure managementApr 03, 14May 01, 18FANUC CORPORATION
9960732 Safe photovoltaic systemFeb 11, 14May 01, 18Phoenix Contact GmbH & Co. KG
9952286 Power-supply control device and programmable logic controllerMar 17, 14Apr 24, 18MITSUBISHI ELECTRIC CORPORATION
9940812 Circuit protective device fault diagnostic translatorAug 08, 13Apr 10, 18Schneider Electric USA, Inc.
9941684 Phase and ground protection using tilt-limited adaptive quadrilateral characteristicMay 12, 15Apr 10, 18Schweitzer Engineering Laboratories, Inc.
9935452 Circuits and techniques for signaling between devicesNov 13, 15Apr 03, 18Allegro Microsystems, LLC
9906018 Electrical line status monitoring systemJan 20, 12Feb 27, 18TRIUNE SYSTEMS, LLC, TRUINE SYSTEMS, LLC,
9899809 Motor control center unitDec 12, 16Feb 20, 18LSIS CO., LTD.
9897665 Power grid outage and fault condition managementJul 14, 14Feb 20, 18ACCENTURE GLOBAL SERVICES LIMITED
9889880 Motor control device, electric power steering device using same, and vehicleMar 10, 15Feb 13, 18NSK LTD.
9885738 Circuit assembly for the state monitoring and logging of overvoltage protection devices or overvoltage protection systemsMar 05, 13Feb 06, 18DEHN + SOHNE GMBH + CO. KG
9874593 Decision support system for outage management and automated crew dispatchJul 11, 14Jan 23, 18ABB INC.
9876344 Apparatus and methods for monitoring and responding to power supply and/or detection circuit failures within an electronic circuit breakerJun 03, 15Jan 23, 18SIEMENS INDUSTRY, INC.
9871389 Battery packNov 18, 15Jan 16, 18MAKITA CORPORATION
9869997 Protection monitoring system with fault indicatorsFeb 15, 13Jan 16, 18GENERAL ELECTRIC COMPANY
9871366 Leakage current detection and protection deviceMay 04, 17Jan 16, 18LI, CHENGLI
9829539 Self-testing ground fault circuit interrupter and associated methodJun 15, 15Nov 28, 17EATON CORPORATION
9825457 Breaker design for power system resiliencyMar 13, 14Nov 21, 17ASPIN KEMP & ASSOCIATES HOLDING CORP., TRANSOCEAN SEDCO FOREX VENTURES LIMITED, 116997 ONTARIO LTD, OPERATING AS ASPIN KEMP & ASSOCIATES, Aspin Kemp & Associates,

Showing 1 to 20 of 181 results