Membership
Tour
Register
Log in
for transformers
Follow
Industry
CPC
H02H7/04
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
H
ELECTRICITY
H02
Electric power
H02H
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H7/00
Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
Current Industry
H02H7/04
for transformers
Industries
Overview
Organizations
People
Information
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Isolation apparatus and method of a fault segment in a transformer...
Patent number
12,155,197
Issue date
Nov 26, 2024
EATON INTELLIGENT POWER LIMITED
Samuel T. Reed
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transformer overcurrent protection
Patent number
12,107,410
Issue date
Oct 1, 2024
S&C Electric Company
Martin T. Bishop
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Voltage harvester for power distribution system devices
Patent number
12,081,013
Issue date
Sep 3, 2024
Hubbell Incorporated
Peter Michael Agliata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Open phase detection
Patent number
12,066,502
Issue date
Aug 20, 2024
Caterpillar Inc.
Dachuan Yu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Optimized transformer protection
Patent number
12,046,891
Issue date
Jul 23, 2024
S&C Electric Company
Thomas J. Tobin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Measuring method and high-voltage transducer with clean air
Patent number
12,002,617
Issue date
Jun 4, 2024
HSP Hochspannungsgeräte GmbH
Sebastian Baehr
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of controlled switching for transformers using transformer r...
Patent number
11,996,688
Issue date
May 28, 2024
Schweitzer Engineering Laboratories, Inc.
Gabriel Benmouyal
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power grid protection via transformer neutral blocking systems and...
Patent number
11,984,720
Issue date
May 14, 2024
TechHold LLC
David Anderson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Protection of low-voltage distribution networks
Patent number
11,921,170
Issue date
Mar 5, 2024
ELECTRONIC SAZAN FAN ARIA COMPANY
Mahdi Davarpanah
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control system for transformer protection system
Patent number
11,923,129
Issue date
Mar 5, 2024
TechHold LLC
David Anderson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Intelligent transformer monitoring system
Patent number
11,906,601
Issue date
Feb 20, 2024
ISCIENTIFIC TECHSOLUTIONS LABS
Narasimha Rao Kammela
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus to optimize protection of fuse-protected trans...
Patent number
11,901,724
Issue date
Feb 13, 2024
Saudi Arabian Oil Company
Ricardo Jose Guerra Castillo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fault handling system of solid-state transformer
Patent number
11,888,309
Issue date
Jan 30, 2024
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Biao Ren
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for differential protection under geomagnetically...
Patent number
11,887,774
Issue date
Jan 30, 2024
Afshin Rezaei Zare
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Longitudinal differential protection method of transformer
Patent number
11,881,700
Issue date
Jan 23, 2024
NR ELECTRIC CO., LTD
Qiaogen Gu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems and methods for dissolved gas analysis
Patent number
11,867,683
Issue date
Jan 9, 2024
HITACHI ENERGY LTD
Luiz Cheim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transformer for underground radial loop network
Patent number
11,811,213
Issue date
Nov 7, 2023
S&C Electric Company
Nicholas Seng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transformer power management controllers and transformer power mana...
Patent number
11,783,996
Issue date
Oct 10, 2023
Battelle Memorial Institute
Richard M. Pratt
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power converter and control method thereof
Patent number
11,777,417
Issue date
Oct 3, 2023
Delta Electronics, Inc.
Misha Kumar
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Differential protection determination method
Patent number
11,764,568
Issue date
Sep 19, 2023
TAIZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER
Ping Zhao
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transformer with flux linkage control and method for suppressing ma...
Patent number
11,735,903
Issue date
Aug 22, 2023
XI'AN JIAOTONG UNIVERSITY
Yibin Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transformer short-circuit protection method and transformer short-c...
Patent number
11,728,639
Issue date
Aug 15, 2023
Delta Electronics (Shanghai) Co., Ltd.
Zehua Zhou
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for cancelling parasite voltage of neutral electr...
Patent number
11,705,718
Issue date
Jul 18, 2023
David Zilberberg
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Protective relay and method for detecting disconnection of protecti...
Patent number
11,695,267
Issue date
Jul 4, 2023
LS ELECTRIC CO., LTD.
Sangtack Shin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Overvoltage protection assembly
Patent number
11,664,653
Issue date
May 30, 2023
TechHold, LLC
George Anderson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Capacitance-coupled voltage transformer monitoring
Patent number
11,650,264
Issue date
May 16, 2023
Schweitzer Engineering Laboratories, Inc.
Travis C Mallett
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transformer internal fault reclose block
Patent number
11,646,564
Issue date
May 9, 2023
S&C Electric Company
Thomas J. Tobin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transformer protector with internal fault detector
Patent number
11,646,563
Issue date
May 9, 2023
S&C Electric Company
Thomas J. Tobin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Current detection circuit, power conversion device, and power system
Patent number
11,646,667
Issue date
May 9, 2023
TDK Corporation
Akinori Hariya
G01 - MEASURING TESTING
Information
Patent Grant
Accurate modeling of equipment overexcitation damage curves
Patent number
11,631,972
Issue date
Apr 18, 2023
Schweitzer Engineering Laboratories, Inc.
Ritwik Chowdhury
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
ENHANCED TRANSFORMER FAULT FORECASTING BASED ON DISSOLVED GASES CON...
Publication number
20240412921
Publication date
Dec 12, 2024
GE INFRASTRUCTURE TECHNOLOGY LLC
Balakrishna PAMULAPARTHY
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Restricted Earth Fault Relay
Publication number
20240297496
Publication date
Sep 5, 2024
MITSUBISHI ELECTRIC CORPORATION
Reiji WATASE
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
HIGH-IMPEDANCE DIFFERENTIAL PROTECTION USING A DIVERSITY OF SIGNALS
Publication number
20240250518
Publication date
Jul 25, 2024
Schweitzer Engineering Laboratories, Inc.
Normann Fischer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Transformer-Hybrid Variable Reactance
Publication number
20240195169
Publication date
Jun 13, 2024
Richard V. Clark
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FAULT HANDLING SYSTEM OF SOLID-STATE TRANSFORMER
Publication number
20240120729
Publication date
Apr 11, 2024
Huawei Digital Power Technologies Co., Ltd.
Biao Ren
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
REDUCING TRANSFORMER INRUSH CURRENT
Publication number
20230420933
Publication date
Dec 28, 2023
ABB Schweiz AG
Elisabeth Lindell
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
REDUCING TRANSFORMER INRUSH CURRENT
Publication number
20230420932
Publication date
Dec 28, 2023
ABB Schweiz AG
Elisabeth Lindell
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
VOLTAGE HARVESTER FOR POWER DISTRIBUTION SYSTEM DEVICES
Publication number
20230291197
Publication date
Sep 14, 2023
HUBBELL INCORPORATED
Peter Michael Agliata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER TRANSFORMER ASSEMBLY
Publication number
20230282413
Publication date
Sep 7, 2023
General Electric Technology GmbH
Serge TIRILLY
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DIFFERENTIAL PROTECTION USING INSTRUMENT TRANSFORMER SIGNAL TRANSDU...
Publication number
20230170685
Publication date
Jun 1, 2023
Schweitzer Engineering Laboratories, Inc.
Marcos A. Donolo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
OPEN PHASE DETECTION
Publication number
20230121559
Publication date
Apr 20, 2023
Caterpillar Inc.
Dachuan Yu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
FAULT HANDLING SYSTEM OF SOLID-STATE TRANSFORMER
Publication number
20230088540
Publication date
Mar 23, 2023
Huawei Digital Power Technologies Co., Ltd.
Biao Ren
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PROTECTIVE RELAY AND METHOD FOR DETECTING DISCONNECTION OF PROTECTI...
Publication number
20230006436
Publication date
Jan 5, 2023
LS ELECTRIC CO., LTD.
Sangtack SHIN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF CONTROLLED SWITCHING FOR TRANSFORMERS
Publication number
20220385058
Publication date
Dec 1, 2022
Schweitzer Engineering Laboratories, Inc.
Gabriel Benmouyal
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
VOLTAGE HARVESTER FOR POWER DISTRIBUTION SYSTEM DEVICES
Publication number
20220302697
Publication date
Sep 22, 2022
HUBBELL INCORPORATED
Peter Michael Agliata
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Transformer with flux linkage control and method for suppressing ma...
Publication number
20220271526
Publication date
Aug 25, 2022
Yibin Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TRANSFORMER OVERCURRENT PROTECTION
Publication number
20220271527
Publication date
Aug 25, 2022
S&C ELECTRIC COMPANY
Martin T. Bishop
G01 - MEASURING TESTING
Information
Patent Application
CONTROL SYSTEM FOR TRANSFORMER PROTECTION SYSTEM
Publication number
20220254565
Publication date
Aug 11, 2022
TechHold LLC
DAVID ANDERSON
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PROTECTION OF LOW-VOLTAGE DISTRIBUTION NETWORKS
Publication number
20220236339
Publication date
Jul 28, 2022
Electronic Sazan Fan Aria Company
Mahdi Davarpanah
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEM AND METHOD FOR CANCELLING PARASITE VOLTAGE OF NEUTRAL ELECTR...
Publication number
20220216689
Publication date
Jul 7, 2022
David ZILBERBERG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SECURE AND DEPENDABLE RESTRICTED EARTH FAULT PROTECTION FOR ELECTRI...
Publication number
20220209525
Publication date
Jun 30, 2022
Schweitzer Engineering Laboratories, Inc.
Ritwik Chowdhury
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ACCURATE MODELING OF EQUIPMENT OVEREXCITATION DAMAGE CURVES
Publication number
20220190581
Publication date
Jun 16, 2022
Schweitzer Engineering Laboratories, Inc.
Ritwik Chowdhury
G01 - MEASURING TESTING
Information
Patent Application
TRANSFORMER INTERNAL FAULT RECLOSE BLOCK
Publication number
20220158435
Publication date
May 19, 2022
S&C ELECTRIC COMPANY
Thomas J. Tobin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
TRANSFORMER PROTECTOR WITH INTERNAL FAULT DETECTOR
Publication number
20220158434
Publication date
May 19, 2022
S&C ELECTRIC COMPANY
Thomas J. Tobin
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
TRANSFORMER SHORT-CIRCUIT PROTECTION METHOD AND TRANSFORMER SHORT-C...
Publication number
20220149612
Publication date
May 12, 2022
DELTA ELECTRONICS (SHANGHAI) CO.,LTD.
Zehua ZHOU
G01 - MEASURING TESTING
Information
Patent Application
UNDERGROUND RADIAL LOOP RESTORATION DEVICE AND METHOD
Publication number
20220102095
Publication date
Mar 31, 2022
S&C ELECTRIC COMPANY
Alejandro Montenegro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CAPACITANCE-COUPLED VOLTAGE TRANSFORMER MONITORING
Publication number
20220043070
Publication date
Feb 10, 2022
Schweitzer Engineering Laboratories, Inc.
Travis C. Mallett
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEM AND METHOD FOR DIFFERENTIAL PROTECTION UNDER GEOMAGNETICALLY...
Publication number
20220037084
Publication date
Feb 3, 2022
Afshin REZAEI ZARE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OVERVOLTAGE PROTECTION ASSEMBLY
Publication number
20210367418
Publication date
Nov 25, 2021
TechHold, LLC
GEORGE ANDERSON
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INTELLIGENT TRANSFORMER MONITORING SYSTEM
Publication number
20210364577
Publication date
Nov 25, 2021
ISCIENTIFIC TECHSOLUTIONS LABS
Narasimha Rao Kammela
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER