Current transformers

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H01F38/28

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HELECTRICITY H01Electric elements H01FMAGNETS INDUCTANCES TRANSFORMERS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES H01F38/00Adaptations of transformers or inductances for specific applications or functions

Current Industry

H01F38/28Current transformers

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Electric device comprising liquidfilled tank and cable box with cur...
- Patent number 12,073,976
- Issue date Aug 27, 2024
- HITACHI ENERGY LTD
- Jan Czyzewski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus and method for embedding current measurement and ringing...
- Patent number 11,913,974
- Issue date Feb 27, 2024
- The Board of Trustees of the University of Alabama
- Andrew N. Lemmon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Support for mounting an accessory equipment assembly to a base of a...
- Patent number 11,862,375
- Issue date Jan 2, 2024
- Hitachi Energy Switzerland AG
- Gianluca Bustreo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single-event transient (SET) pulse measuring circuit capable of eli...
- Patent number 11,828,788
- Issue date Nov 28, 2023
- NATIONAL UNIVERSITY OF DEFENSE TECHNOLOGY
- Bin Liang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multifunction single core sensor for ground fault application
- Patent number 11,799,279
- Issue date Oct 24, 2023
- SCHNEIDER ELECTRIC USA, INC.
- Jeremy D. Schroeder
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power monitoring and distributing systems
- Patent number 11,694,841
- Issue date Jul 4, 2023
- Verdigris Technologies, Inc.
- Thomas Chung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double grounded neutral fault detection
- Patent number 11,563,317
- Issue date Jan 24, 2023
- ABB Schweiz AG
- Chandrashekar Nagawaram
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Grounding cable warning device
- Patent number 11,450,191
- Issue date Sep 20, 2022
- Safeguard Equipment, Inc.
- John Wayne Thompson
- G08 - SIGNALLING
Information Patent Grant
Transformer and socket assembly for power meter installations
- Patent number 11,415,608
- Issue date Aug 16, 2022
- TSTM, Inc.
- Greg May
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System and method for energy sensing and harvesting with fault dete...
- Patent number 11,360,121
- Issue date Jun 14, 2022
- Johnson Controls Tyco IP Holdings LLP
- Ashok Sridharan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current transformer, protection device and electrical circuit break...
- Patent number 11,295,885
- Issue date Apr 5, 2022
- Schneider Electric Industries SAS
- Patrick Mas
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching apparatus and method for switching a current
- Patent number 11,225,155
- Issue date Jan 18, 2022
- Siemens Aktiengesellschaft
- Florian Festl
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Current transformer apparatus that is mountable to a circuit board
- Patent number 11,120,938
- Issue date Sep 14, 2021
- EATON INTELLIGENT POWER LIMITED
- Laura Teresa Portuondo Bautista
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor module
- Patent number 11,088,686
- Issue date Aug 10, 2021
- Shindengen Electric Manufacturing Co., Ltd.
- Kenichi Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arc fault current detector
- Patent number 10,886,722
- Issue date Jan 5, 2021
- Shakira Limited
- Patrick Ward
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power conversion device and contactless power supply system
- Patent number 10,686,332
- Issue date Jun 16, 2020
- Mitsubishi Electric Corporation
- Takuya Yabumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Flux-enhanced energy harvesting from current-carrying conductors
- Patent number 10,651,686
- Issue date May 12, 2020
- The Regents of the University of California
- Richard M. White
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current measuring device protected against electrical surges when o...
- Patent number 10,591,514
- Issue date Mar 17, 2020
- SAFRAN ELECTRICAL & POWER
- Pierre Henri Henrard
- G01 - MEASURING TESTING
Information Patent Grant
Trip control circuit for circuit breaker
- Patent number 10,483,751
- Issue date Nov 19, 2019
- LSIS Co., Ltd.
- Jongkug Seon
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Current transformer
- Patent number 10,340,079
- Issue date Jul 2, 2019
- SEARI ELECTRIC TECHNOLOGY CO., LTD.
- Xiangjun Wan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current transformer and direct current source based on current tran...
- Patent number 10,276,301
- Issue date Apr 30, 2019
- Siemens Aktiengesellschaft
- Feng Du
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System and method for tuning transformers
- Patent number 10,132,848
- Issue date Nov 20, 2018
- The United States of America, as represented by the Secretary of the Navy
- Josue Kure
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-winding high sensitivity current transformer
- Patent number 10,090,093
- Issue date Oct 2, 2018
- General Electric Company
- Dan Tho Lu
- G01 - MEASURING TESTING
Information Patent Grant
Current converter with interchangeable head
- Patent number 10,083,787
- Issue date Sep 25, 2018
- Phoenix Contact GmbH & Co. KG
- Carsten Thörner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit for sampling current and system for sampling current of Tot...
- Patent number 10,067,166
- Issue date Sep 4, 2018
- HYNETEK SEMICONDUCTOR CO., LTD.
- Renjian Xie
- G01 - MEASURING TESTING
Information Patent Grant
System and method for tuning transformers
- Patent number 10,060,962
- Issue date Aug 28, 2018
- The United States of America, as represented by the Secretary of the Navy
- Josue Kure
- G01 - MEASURING TESTING
Information Patent Grant
Current measurement device and current calculation method
- Patent number 9,995,772
- Issue date Jun 12, 2018
- Mitsubishi Electric Corporation
- Hiroaki Kotake
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current converter with interchangeable head
- Patent number 9,978,495
- Issue date May 22, 2018
- Phoenix Contact GmbH & Co. KG
- Carsten Thörner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Zero-phase-sequence current transformer, ground fault current detec...
- Patent number 9,928,955
- Issue date Mar 27, 2018
- Kyocera Corporation
- Tetsuya Takenaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-winding high sensitivity current transformer
- Patent number 9,852,837
- Issue date Dec 26, 2017
- General Electric Company
- Dan Tho Lu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MULTIPHASE POWER-HARVESTING SENSOR DEVICES AND SYSTEMS
- Publication number 20240312688
- Publication date Sep 19, 2024
- Schweitzer Engineering Laboratories, Inc.
- Timothy M. Minteer
- G01 - MEASURING TESTING
Information Patent Application
PHOTOVOLTAIC CONVERTER AND PHOTOVOLTAIC GENERATION SYSTEM
- Publication number 20240258026
- Publication date Aug 1, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Yunyu TANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CURRENT TRANSFORMER WITH IMPROVED PERFORMANCE
- Publication number 20240145165
- Publication date May 2, 2024
- Arbiter Systems, Inc.
- WILLIAM J. DICKERSON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRIC DEVICE COMPRISING LIQUIDFILLED TANK AND CABLE BOX WITH CUR...
- Publication number 20240087791
- Publication date Mar 14, 2024
- Hitachi Energy Ltd
- Jan Czyzewski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUPPORT FOR MOUNTING AN ACCESSORY EQUIPMENT ASSEMBLY TO A BASE OF A...
- Publication number 20230268113
- Publication date Aug 24, 2023
- Hitachi Energy Switzerland AG
- Gianluca Bustreo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTIFUNCTION SINGLE CORE SENSOR FOR GROUND FAULT APPLICATION
- Publication number 20230017320
- Publication date Jan 19, 2023
- SCHNEIDER ELECTRIC USA, INC.
- Jeremy D. Schroeder
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER MONITORING AND DISTRIBUTING SYSTEMS
- Publication number 20210142941
- Publication date May 13, 2021
- Verdigris Technologies, Inc.
- Thomas CHUNG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSFORMER AND SOCKET ASSEMBLY FOR POWER METER INSTALLATIONS
- Publication number 20210096163
- Publication date Apr 1, 2021
- TSTM, Inc.
- GREG MAY
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GROUNDING CABLE WARNING DEVICE
- Publication number 20210035427
- Publication date Feb 4, 2021
- Safeguard Equipment, Inc.
- John Wayne Thompson
- G01 - MEASURING TESTING
Information Patent Application
CURRENT TRANSFORMER APPARATUS THAT IS MOUNTABLE TO A CIRCUIT BOARD
- Publication number 20200395169
- Publication date Dec 17, 2020
- Eaton Intelligent Power Limited
- Laura Teresa Portuondo Bautista
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM AND METHOD FOR ENERGY SENSING AND HARVESTING WITH FAULT DETE...
- Publication number 20200241051
- Publication date Jul 30, 2020
- Johnson Controls Technology Company
- Ashok Sridharan
- G01 - MEASURING TESTING
Information Patent Application
ARC FAULT CURRENT DETECTOR
- Publication number 20190181628
- Publication date Jun 13, 2019
- SHAKIRA LIMITED
- Patrick Ward
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT CONVERTER WITH INTERCHANGEABLE HEAD
- Publication number 20180261372
- Publication date Sep 13, 2018
- Phoenix Contact GmbH & Co. KG
- Carsten THÖRNER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-WINDING HIGH SENSITIVITY CURRENT TRANSFORMER
- Publication number 20180122549
- Publication date May 3, 2018
- GENERAL ELECTRIC COMPANY
- Dan Tho Lu
- G01 - MEASURING TESTING
Information Patent Application
CURRENT TRANSFORMER AND DIRECT CURRENT SOURCE BASED ON CURRENT TRAN...
- Publication number 20180090267
- Publication date Mar 29, 2018
- Siemens Aktiengesellschaft
- Feng DU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING APPARATUS AND METHOD FOR SWITCHING A CURRENT
- Publication number 20180061598
- Publication date Mar 1, 2018
- Siemens Aktiengesellschaft
- Florian FESTL
- B60 - VEHICLES IN GENERAL
Information Patent Application
CIRCUIT FOR SAMPLING CURRENT AND SYSTEM FOR SAMPLING CURRENT OF TOT...
- Publication number 20170212152
- Publication date Jul 27, 2017
- Hynetek Semiconductor Co., Ltd.
- Renjian XIE
- G01 - MEASURING TESTING
Information Patent Application
INTELLIGENT SENSOR NETWORK IN A LOAD CENTER
- Publication number 20160274153
- Publication date Sep 22, 2016
- SCHNEIDER ELECTRIC IT CORPORATION
- Vishwas Mohaniraj Deokar
- G01 - MEASURING TESTING
Information Patent Application
ELECTROMAGNETIC INDUCTION TYPE POWER SUPPLY DEVICE
- Publication number 20150357907
- Publication date Dec 10, 2015
- TERA ENERGY SYSTEM SOLUTION CO., LTD
- Ja-ll KOO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AC/DC CURRENT TRANSFORMER
- Publication number 20140361761
- Publication date Dec 11, 2014
- LITTELFUSE, INC.
- MICHAEL P. VANGOOL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC DEVICE HAVING INTEGRATED CURRENT SENSING ELEMENT AND METHO...
- Publication number 20140292459
- Publication date Oct 2, 2014
- Joao Luiz Andres
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC DEVICE HAVING INTEGRATED CURRENT SENSING ELEMENT AND METHO...
- Publication number 20140292458
- Publication date Oct 2, 2014
- GENERAL ELECTRIC COMPANY
- Joao Luiz Andres
- G01 - MEASURING TESTING
Information Patent Application
ELECTROSTATIC SHIELD FOR A TRANSFORMER
- Publication number 20140232509
- Publication date Aug 21, 2014
- ABB TECHNOLOGY AG
- Steven A. Shaw
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LARGE-CURRENT TRANSFORMER FOR ELECTRONIC ROUND POWER METER AND METH...
- Publication number 20140125441
- Publication date May 8, 2014
- An Hui Qian En Intelligent Technology Company Limited
- Yin Hongping
- G01 - MEASURING TESTING
Information Patent Application
SPLIT-CORE CURRENT TRANSFORMER
- Publication number 20130200971
- Publication date Aug 8, 2013
- CONTINENTAL CONTROL SYSTEMS, LLC
- Nathaniel Wood Crutcher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSFORMER INSTRUMENTATION AND METERING SYSTEM
- Publication number 20130027818
- Publication date Jan 31, 2013
- Kenneth William McGrail
- G01 - MEASURING TESTING
Information Patent Application
DEVICE FOR REMOVABLY FIXING A CONDUCTOR TO A CURRENT TRANSFORMER HO...
- Publication number 20120315778
- Publication date Dec 13, 2012
- Phoenix Contact GmbH & Co. KG
- Christoph Leifer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AC/DC Current Transformer
- Publication number 20120299573
- Publication date Nov 29, 2012
- LITTELFUSE, INC.
- Michael P. Vangool
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INSULATING SUPPORT FLANGE FOR CURRENT LOOP SYSTEM
- Publication number 20120218070
- Publication date Aug 30, 2012
- Rockwell Automation Technologies, Inc.
- David Scott MacLennan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC CURRENT TRANSFORMER BASED ON COMPLETE SELF-EXCITATION PO...
- Publication number 20120153931
- Publication date Jun 21, 2012
- XI'AN HWELL OPTIC-ELECTRIC TECH CO., LTD.
- Zhongzhan Liu
- G01 - MEASURING TESTING

Current transformers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electric device comprising liquidfilled tank and cable box with cur...

Apparatus and method for embedding current measurement and ringing...

Support for mounting an accessory equipment assembly to a base of a...

Single-event transient (SET) pulse measuring circuit capable of eli...

Multifunction single core sensor for ground fault application

Power monitoring and distributing systems

Double grounded neutral fault detection

Grounding cable warning device

Transformer and socket assembly for power meter installations

System and method for energy sensing and harvesting with fault dete...

Current transformer, protection device and electrical circuit break...

Switching apparatus and method for switching a current

Current transformer apparatus that is mountable to a circuit board

Semiconductor module

Arc fault current detector

Power conversion device and contactless power supply system

Flux-enhanced energy harvesting from current-carrying conductors

Current measuring device protected against electrical surges when o...

Trip control circuit for circuit breaker

Current transformer

Current transformer and direct current source based on current tran...

System and method for tuning transformers

Multi-winding high sensitivity current transformer

Current converter with interchangeable head

Circuit for sampling current and system for sampling current of Tot...

System and method for tuning transformers

Current measurement device and current calculation method

Current converter with interchangeable head

Zero-phase-sequence current transformer, ground fault current detec...

Multi-winding high sensitivity current transformer

Patents Applicationslast 30 patents

MULTIPHASE POWER-HARVESTING SENSOR DEVICES AND SYSTEMS

PHOTOVOLTAIC CONVERTER AND PHOTOVOLTAIC GENERATION SYSTEM

CURRENT TRANSFORMER WITH IMPROVED PERFORMANCE

ELECTRIC DEVICE COMPRISING LIQUIDFILLED TANK AND CABLE BOX WITH CUR...

SUPPORT FOR MOUNTING AN ACCESSORY EQUIPMENT ASSEMBLY TO A BASE OF A...

MULTIFUNCTION SINGLE CORE SENSOR FOR GROUND FAULT APPLICATION

POWER MONITORING AND DISTRIBUTING SYSTEMS

TRANSFORMER AND SOCKET ASSEMBLY FOR POWER METER INSTALLATIONS

GROUNDING CABLE WARNING DEVICE

CURRENT TRANSFORMER APPARATUS THAT IS MOUNTABLE TO A CIRCUIT BOARD

SYSTEM AND METHOD FOR ENERGY SENSING AND HARVESTING WITH FAULT DETE...

ARC FAULT CURRENT DETECTOR

CURRENT CONVERTER WITH INTERCHANGEABLE HEAD

MULTI-WINDING HIGH SENSITIVITY CURRENT TRANSFORMER

CURRENT TRANSFORMER AND DIRECT CURRENT SOURCE BASED ON CURRENT TRAN...

SWITCHING APPARATUS AND METHOD FOR SWITCHING A CURRENT

CIRCUIT FOR SAMPLING CURRENT AND SYSTEM FOR SAMPLING CURRENT OF TOT...

INTELLIGENT SENSOR NETWORK IN A LOAD CENTER

ELECTROMAGNETIC INDUCTION TYPE POWER SUPPLY DEVICE

AC/DC CURRENT TRANSFORMER

MAGNETIC DEVICE HAVING INTEGRATED CURRENT SENSING ELEMENT AND METHO...

MAGNETIC DEVICE HAVING INTEGRATED CURRENT SENSING ELEMENT AND METHO...

ELECTROSTATIC SHIELD FOR A TRANSFORMER

LARGE-CURRENT TRANSFORMER FOR ELECTRONIC ROUND POWER METER AND METH...

SPLIT-CORE CURRENT TRANSFORMER

TRANSFORMER INSTRUMENTATION AND METERING SYSTEM

DEVICE FOR REMOVABLY FIXING A CONDUCTOR TO A CURRENT TRANSFORMER HO...

AC/DC Current Transformer

INSULATING SUPPORT FLANGE FOR CURRENT LOOP SYSTEM

ELECTRONIC CURRENT TRANSFORMER BASED ON COMPLETE SELF-EXCITATION PO...