H02H 3/12

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Description

Class  H02H : EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS


Subclass 3/12: Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems H02H 7/00; systems for change-over to standby supply H02J 9/00) responsive to underload or no-load

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
11929428 Circuits and group III-nitride high-electron mobility transistors with buried p-type layers improving overload recovery and process for implementing the sameMay 17, 21Mar 12, 24Wolfspeed, Inc.
11831144 Digital power distribution system with a non-linear loadMar 07, 22Nov 28, 23VoltServer, Inc.
11444446 Method and device for permanent disconnection of an electrical circuit with an inductive load by switching two switchesFeb 04, 20Sep 13, 22Not available
11171479 Superconducting magnet device and method for limiting current decrease in case of abnormality thereinApr 12, 18Nov 09, 21Institute of Physical and Chemical Research(RIKEN); Independent Administrative Institution National Institute For Materials Science;
11043800 Energy storage components to power loads during transitions between power suppliesSep 29, 17Jun 22, 21Hewlett Packard Enterprise Development LP
10587112 Monitor circuitMay 18, 17Mar 10, 20Not available
10243551 Over voltage protection for cascode switching power deviceSep 06, 17Mar 26, 19Alpha and Omega Semiconductor (Cayman) LTD
10132875 Device and method for open phase detectionApr 25, 14Nov 20, 18Power Control Systems, Inc.
9472941 Battery moduleMar 11, 14Oct 18, 16KABUSHIKI KAISHA TOSHIBA
9306383 Low current protection circuitJul 28, 14Apr 05, 16SANKEN ELECTRIC CO., LTD.
9236822 Electromotive furniture drive including a power supply deviceMay 04, 12Jan 12, 16DEWERTOKIN GMBH
9197055 Ground monitor current sensingMay 31, 13Nov 24, 15INTERMOUNTAIN ELECTRONICS, INC.
9172234 Ground monitor circuit protection apparatusMay 31, 13Oct 27, 15INTERMOUNTAIN ELECTRONICS, INC.
9124089 Ground monitor accessory connectionMay 31, 13Sep 01, 15INTERMOUNTAIN ELECTRONICS, INC.
8976495 Safety relay and safety-related communication systemMar 08, 12Mar 10, 15PHOENIX CONTACT GMBH & CO. KG
8283812 Inductive power providing system having moving outletsApr 09, 10Oct 09, 12POWERMAT TECHNOLOGIES LTD.
7616419 Switchgear control apparatusOct 09, 07Nov 10, 09MITSUBISHI ELECTRIC CORPORATION
5461531 Controller apparatus for electric vehicleMay 19, 94Oct 24, 95MITSUBISHI DENKI KABUSHIKI KAISHA

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0062,605 HOT-PLUG PROTECTION METHOD AND POWER SUPPLY DEVICEAug 15, 24Feb 20, 25Not available
2024/0255,585 ELECTRONIC DEVICE AND METHOD FOR INSPECTING CABLE CONNECTION CIRCUIT OF ELECTRONIC DEVICEApr 12, 24Aug 01, 24Not available
2022/0352,707 ANALOG SIGNAL INPUT DEVICE FOR OPEN CIRCUIT DETECTION AND CONTROL SYSTEMApr 26, 22Nov 03, 22DENSO WAVE INCORPORATED
2022/0045,499 SAFETY SHUTDOWN APPARATUS WITH SELF-DRIVEN CONTROL, POWER SUPPLY SYSTEM, AND METHOD OF CONTROLLING THE SAMEFeb 03, 21Feb 10, 22Not available
2021/0391,704 ISOLATION CIRCUIT SYSTEM AND SIGNAL ISOLATION METHOD THEREOFOct 10, 19Dec 16, 21Not available
2020/0295,559 Digital Power Distribution System with a Non-Linear LoadOct 05, 18Sep 17, 20VoltServer, Inc.
2020/0287,372 METHOD AND DEVICE FOR PERMANENT DISCONNECTION OF AN ELECTRICAL CIRCUIT WITH AN INDUCTIVE LOAD BY SWITCHING TWO SWITCHESFeb 04, 20Sep 10, 20Not available
2017/0302,065 ENERGY MONITORING SYSTEMApr 11, 17Oct 19, 17SWEEP ENERGY
2017/0285,716 ELECTRONIC OUTLET PLACE HOLDERApr 28, 15Oct 05, 17Not available

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Patents Issued To Date - By Filing Year

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