Fault detection or status indication

Industry

CPC
G01R31/3275

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Parent Industries

GPHYSICS G01Measuring instruments G01RMEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES G01R31/00Arrangements for testing electric properties Arrangements for locating electric faults Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

Current Industry

G01R31/3275Fault detection or status indication

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for monitoring vacuum interrupter's condition and an electri...
- Patent number 12,217,922
- Issue date Feb 4, 2025
- HITACHI ENERGY LTD
- Lukasz Bachorz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching device for a DC voltage grid and operating method for the...
- Patent number 12,206,398
- Issue date Jan 21, 2025
- Siemens Aktiengesellschaft
- Karsten Handt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for modifying gas density relay, and gas density relay havin...
- Patent number 12,154,738
- Issue date Nov 26, 2024
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Haiyong Jin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods and systems for status monitoring of transient electromagne...
- Patent number 12,140,635
- Issue date Nov 12, 2024
- EMP Shield Inc.
- Plamen Doynov
- G01 - MEASURING TESTING
Information Patent Grant
Method of monitoring joint and contact conditions in an electrical...
- Patent number 12,111,359
- Issue date Oct 8, 2024
- EATON INTELLIGENT POWER LIMITED
- Jagdambika P. Srivastava
- G01 - MEASURING TESTING
Information Patent Grant
Enhanced switchgear monitoring and diagnostics in a protection relay
- Patent number 12,087,528
- Issue date Sep 10, 2024
- GE INFRASTRUCTURE TECHNOLOGY LLC
- Balakrishna Pamulaparthy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and arrangement for performing a shutdown test on an inverter
- Patent number 12,085,615
- Issue date Sep 10, 2024
- Fronius International GmbH
- Joachim Danmayr
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for detecting contactor weld
- Patent number 11,981,216
- Issue date May 14, 2024
- Ford Global Technologies, LLC
- Baojin Wang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power device monitoring system and monitoring method
- Patent number 11,977,103
- Issue date May 7, 2024
- LS ELECTRIC CO., LTD.
- Sunghee Kang
- G01 - MEASURING TESTING
Information Patent Grant
Battery electromechanical switching device diagnostics system and m...
- Patent number 11,977,117
- Issue date May 7, 2024
- CPS Technology Holdings LLC
- Mark Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Gas monitoring system for gas-insulated switchgears
- Patent number 11,971,442
- Issue date Apr 30, 2024
- Siemens Energy Global GmbH & Co. KG
- Graeme Coapes
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for monitoring an electrical switching arrangement
- Patent number 11,960,274
- Issue date Apr 16, 2024
- B&R INDUSTRIAL AUTOMATION GMBH
- Marc Herzog
- G05 - CONTROLLING REGULATING
Information Patent Grant
Contact point monitoring device for vacuum circuit breaker, and cor...
- Patent number 11,953,553
- Issue date Apr 9, 2024
- LS ELECTRIC CO., LTD.
- Hyun-Wook Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and device for automatically testing a switching member
- Patent number 11,879,929
- Issue date Jan 23, 2024
- Siemens Aktiengesellschaft
- Hubert Schierling
- G01 - MEASURING TESTING
Information Patent Grant
Automated digitized system and methods for verifying power relay di...
- Patent number 11,874,327
- Issue date Jan 16, 2024
- sonnen, Inc.
- Chetan Bhusanur
- G01 - MEASURING TESTING
Information Patent Grant
Safety fault interrupter circuit with power fault monitor
- Patent number 11,867,761
- Issue date Jan 9, 2024
- Texas Instruments Incorporated
- Robert Mason Hanrahan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for monitoring circuit breaker and apparatus and internet of...
- Patent number 11,867,763
- Issue date Jan 9, 2024
- ABB Schweiz AG
- Jiayang Ruan
- G01 - MEASURING TESTING
Information Patent Grant
Testing system that determines contact erosion in circuit breaker
- Patent number 11,860,230
- Issue date Jan 2, 2024
- JST POWER EQUIPMENT, INC.
- Patrick R. Fischer-Carne
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Enhanced tripping solenoid for a miniature circuit breaker
- Patent number 11,830,692
- Issue date Nov 28, 2023
- SCHNEIDER ELECTRIC USA, INC.
- Leonardo Rangel Martinez
- G01 - MEASURING TESTING
Information Patent Grant
Circuit breaker opening/closing assistance apparatus
- Patent number 11,776,162
- Issue date Oct 3, 2023
- LS ELECTRIC CO., LTD.
- Min-Je Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device and method for purposes of electrical circuit monitoring
- Patent number 11,754,627
- Issue date Sep 12, 2023
- Turck Holding GmbH
- Johannes Vom Stein
- G01 - MEASURING TESTING
Information Patent Grant
Cut-off circuit diagnostic device
- Patent number 11,735,904
- Issue date Aug 22, 2023
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Hideyuki Kishida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Methods to initiate the absence of voltage test over a network remo...
- Patent number 11,709,187
- Issue date Jul 25, 2023
- Panduit Corp.
- Rachel M. Bugaris
- G01 - MEASURING TESTING
Information Patent Grant
Interconnect retimer enhancements
- Patent number 11,675,003
- Issue date Jun 13, 2023
- Intel Corporation
- Daniel S. Froelich
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Switch condition monitoring
- Patent number 11,675,011
- Issue date Jun 13, 2023
- Analog Devices International Unlimited Company
- Seyed Amir Ali Danesh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for monitoring circuit breaker and apparatus and internet of...
- Patent number 11,656,279
- Issue date May 23, 2023
- Hitachi Energy Switzerland AG
- Niya Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Automated digitized system and methods for verifying power relay di...
- Patent number 11,598,809
- Issue date Mar 7, 2023
- sonnen, Inc.
- Chetan Bhusanur
- G01 - MEASURING TESTING
Information Patent Grant
High-voltage relay system for vehicle and diagnostic method therefor
- Patent number 11,571,988
- Issue date Feb 7, 2023
- Hyundai Motor Company
- Sang Ho Shin
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Scan apparatus capable of fault diagnosis and scan chain fault diag...
- Patent number 11,567,132
- Issue date Jan 31, 2023
- UIF (University Industry Foundation), Yonsei University
- Sungho Kang
- G01 - MEASURING TESTING
Information Patent Grant
Method for diagnosing the cause of tripping of an electrical protec...
- Patent number 11,557,450
- Issue date Jan 17, 2023
- Schneider Electric Industries SAS
- Michel Hennequin
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CIRCUIT ARRANGEMENT FOR CHECKING THE CUTOUT ABILITY OF AN ELECTRONI...
- Publication number 20250052815
- Publication date Feb 13, 2025
- Continental Automotive Technologies GmbH
- Erwin Kessler
- G01 - MEASURING TESTING
Information Patent Application
SWITCH WITH SERVICE LIFE INDICATOR
- Publication number 20250044355
- Publication date Feb 6, 2025
- Honeywell International Inc.
- Fu XIANG
- G01 - MEASURING TESTING
Information Patent Application
PROCESS FOR DETECTION OF DEGRADATION OF A SWITCHING DEVICE COMPRISI...
- Publication number 20250020720
- Publication date Jan 16, 2025
- Schneider Electric Industries SAS
- Jean-Pierre Meley
- G01 - MEASURING TESTING
Information Patent Application
ULTRA-HIGH FREQUENCY PARTIAL DISCHARGE DETECTION SENSOR HAVING LEAK...
- Publication number 20250012841
- Publication date Jan 9, 2025
- SUNGLIM HEAVY ELECTRIC CO., LTD.
- Kyu Ho LEE
- G01 - MEASURING TESTING
Information Patent Application
ELECTRICAL FAULT DETECTION AND INTERRUPTION DEVICE AND RELATED ELEC...
- Publication number 20240426940
- Publication date Dec 26, 2024
- Chengli LI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR USE WITH A RADIOTHERAPY DEVICE
- Publication number 20240408413
- Publication date Dec 12, 2024
- ELEKTA LIMITED
- Christopher Flint
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHOD FOR DIAGNOSING A FAILURE OF AN INVERTER
- Publication number 20240405664
- Publication date Dec 5, 2024
- Hyundai Motor Company
- Gi Heon Jeong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ENHANCED SWITCHGEAR MONITORING AND DIAGNOSTICS IN A PROTECTION RELAY
- Publication number 20240395486
- Publication date Nov 28, 2024
- GE INFRASTRUCTURE TECHNOLOGY LLC
- Balakrishna PAMULAPARTHY
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VALVE-LEVEL FAULT LOCATION METHOD AND SYSTEM FOR CONVETERS BASED ON...
- Publication number 20240377456
- Publication date Nov 14, 2024
- SOUTH CHINA UNIVERSITY OF TECHNOLOGY
- Xiaohua Li
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHODS FOR MEASURING ARC DURATION
- Publication number 20240361387
- Publication date Oct 31, 2024
- Georgia Tech Research Corporation
- Ning Guo
- G01 - MEASURING TESTING
Information Patent Application
BATTERY PACK AND METHOD OF OPERATING THE SAME
- Publication number 20240329138
- Publication date Oct 3, 2024
- Samsung SDI Co., Ltd.
- Seonghun Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method and Apparatus for Identifying a Malfunction of Contactors of...
- Publication number 20240317060
- Publication date Sep 26, 2024
- Vitesco Technologies GMBH
- Robert Hoffmann
- B60 - VEHICLES IN GENERAL
Information Patent Application
TEST BUTTON LOOP DEVICE AND CIRCUIT BREAKER
- Publication number 20240201259
- Publication date Jun 20, 2024
- ZHEJIANG CHINT ELECTRICS CO.,LTD.
- Xiaomin XIA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SAFETY FAULT INTERRUPTER CIRCUIT WITH POWER FAULT MONITOR
- Publication number 20240085479
- Publication date Mar 14, 2024
- TEXAS INSTRUMENTS INCORPORATED
- Robert Mason HANRAHAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD FOR DETECTING A BREAKER TRIP
- Publication number 20240061043
- Publication date Feb 22, 2024
- VERTIV CORPORATION
- Kevin K. Eschhofen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
EXPERIMENTAL MULTIFUNCTIONAL POWER SUPPLY PROCESSING DEVICE AND EXP...
- Publication number 20240044981
- Publication date Feb 8, 2024
- GUANG'AN ELECTRICAL TESTING CENTER (GUANGDONG) CO., LTD.
- Zhili LIN
- G01 - MEASURING TESTING
Information Patent Application
FAILURE MODE DETECTION IN A CONTACTOR
- Publication number 20240029978
- Publication date Jan 25, 2024
- Sensata Technologies, Inc.
- SIEBE BERVELING
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SENSING DEVICE
- Publication number 20240019280
- Publication date Jan 18, 2024
- Weinert Industries AG
- Hakan Sayinc
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND DEVICE FOR DETECTING THE ABSENCE OF VOLTAGE
- Publication number 20240012036
- Publication date Jan 11, 2024
- Panduit Corp.
- Rachel M. BUGARIS
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TESTING SYSTEM THAT DETERMINES CONTACT EROSION IN CIRCUIT BREAKER
- Publication number 20230358808
- Publication date Nov 9, 2023
- JST POWER EQUIPMENT, INC.
- PATRICK R. FISCHER-CARNE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Methods to Initiate the Absence of Voltage Test Over a Network Remo...
- Publication number 20230358791
- Publication date Nov 9, 2023
- Panduit Corp.
- Rachel M. Bugaris
- G01 - MEASURING TESTING
Information Patent Application
FAULT DETECTION IN SPRING-LOADED DRIVES OF MEDIUM-VOLTAGE SWITCHGEA...
- Publication number 20230335350
- Publication date Oct 19, 2023
- SIEMENS AKTIENGESELLSCHAFT
- Stefan Lecheler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
STICKING DIAGNOSIS APPARATUS AND STICKING DIAGNOSIS METHOD
- Publication number 20230305059
- Publication date Sep 28, 2023
- Isuzu Motors Limited
- Futoshi YAMANE
- B60 - VEHICLES IN GENERAL
Information Patent Application
Method for Determining the State of an Electrical Switchgear Assemb...
- Publication number 20230268723
- Publication date Aug 24, 2023
- SIEMENS AKTIENGESELLSCHAFT
- Ivana Mladenovic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TESTING SYSTEM THAT DETERMINES CONTACT EROSION IN CIRCUIT BREAKER
- Publication number 20230194609
- Publication date Jun 22, 2023
- JST POWER EQUIPMENT, INC.
- PATRICK R. FISCHER-CARNE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Switching Device for a DC Voltage Grid and Operating Method for the...
- Publication number 20230198518
- Publication date Jun 22, 2023
- SIEMENS AKTIENGESELLSCHAFT
- Karsten Handt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Automated Digitized System And Methods For Verifying Power Relay Di...
- Publication number 20230184835
- Publication date Jun 15, 2023
- sonnen, Inc.
- Chetan Bhusanur
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF MONITORING JOINT AND CONTACT CONDITIONS IN AN ELECTRICAL...
- Publication number 20230184834
- Publication date Jun 15, 2023
- Eaton Intelligent Power Limited
- Jagdambika P. Srivastava
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR ANALYSING OUT-OF-SERVICE CIRCUIT BREAKERS WIT...
- Publication number 20230176126
- Publication date Jun 8, 2023
- Megger Sweden AB
- Stig RUDHOLM
- G01 - MEASURING TESTING
Information Patent Application
GAS DENSITY RELAY WITH ONLINE SELF-CHECKING FUNCTION AND CHECKING M...
- Publication number 20230168302
- Publication date Jun 1, 2023
- SHANGHAI ROYE ELECTRIC CO., LTD.
- Xiaobeng HUANG
- H01 - BASIC ELECTRIC ELEMENTS

Fault detection or status indication

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for monitoring vacuum interrupter's condition and an electri...

Switching device for a DC voltage grid and operating method for the...

Method for modifying gas density relay, and gas density relay havin...

Methods and systems for status monitoring of transient electromagne...

Method of monitoring joint and contact conditions in an electrical...

Enhanced switchgear monitoring and diagnostics in a protection relay

Method and arrangement for performing a shutdown test on an inverter

Method and system for detecting contactor weld

Power device monitoring system and monitoring method

Battery electromechanical switching device diagnostics system and m...

Gas monitoring system for gas-insulated switchgears

Method for monitoring an electrical switching arrangement

Contact point monitoring device for vacuum circuit breaker, and cor...

Method and device for automatically testing a switching member

Automated digitized system and methods for verifying power relay di...

Safety fault interrupter circuit with power fault monitor

Method for monitoring circuit breaker and apparatus and internet of...

Testing system that determines contact erosion in circuit breaker

Enhanced tripping solenoid for a miniature circuit breaker

Circuit breaker opening/closing assistance apparatus

Device and method for purposes of electrical circuit monitoring

Cut-off circuit diagnostic device

Methods to initiate the absence of voltage test over a network remo...

Interconnect retimer enhancements

Switch condition monitoring

Method for monitoring circuit breaker and apparatus and internet of...

Automated digitized system and methods for verifying power relay di...

High-voltage relay system for vehicle and diagnostic method therefor

Scan apparatus capable of fault diagnosis and scan chain fault diag...

Method for diagnosing the cause of tripping of an electrical protec...

Patents Applicationslast 30 patents

CIRCUIT ARRANGEMENT FOR CHECKING THE CUTOUT ABILITY OF AN ELECTRONI...

SWITCH WITH SERVICE LIFE INDICATOR

PROCESS FOR DETECTION OF DEGRADATION OF A SWITCHING DEVICE COMPRISI...

ULTRA-HIGH FREQUENCY PARTIAL DISCHARGE DETECTION SENSOR HAVING LEAK...

ELECTRICAL FAULT DETECTION AND INTERRUPTION DEVICE AND RELATED ELEC...

METHOD FOR USE WITH A RADIOTHERAPY DEVICE

APPARATUS AND METHOD FOR DIAGNOSING A FAILURE OF AN INVERTER

ENHANCED SWITCHGEAR MONITORING AND DIAGNOSTICS IN A PROTECTION RELAY

VALVE-LEVEL FAULT LOCATION METHOD AND SYSTEM FOR CONVETERS BASED ON...

SYSTEM AND METHODS FOR MEASURING ARC DURATION

BATTERY PACK AND METHOD OF OPERATING THE SAME

Method and Apparatus for Identifying a Malfunction of Contactors of...

TEST BUTTON LOOP DEVICE AND CIRCUIT BREAKER

SAFETY FAULT INTERRUPTER CIRCUIT WITH POWER FAULT MONITOR

SYSTEM AND METHOD FOR DETECTING A BREAKER TRIP

EXPERIMENTAL MULTIFUNCTIONAL POWER SUPPLY PROCESSING DEVICE AND EXP...

FAILURE MODE DETECTION IN A CONTACTOR

SENSING DEVICE

METHOD AND DEVICE FOR DETECTING THE ABSENCE OF VOLTAGE

TESTING SYSTEM THAT DETERMINES CONTACT EROSION IN CIRCUIT BREAKER

Methods to Initiate the Absence of Voltage Test Over a Network Remo...

FAULT DETECTION IN SPRING-LOADED DRIVES OF MEDIUM-VOLTAGE SWITCHGEA...

STICKING DIAGNOSIS APPARATUS AND STICKING DIAGNOSIS METHOD

Method for Determining the State of an Electrical Switchgear Assemb...

TESTING SYSTEM THAT DETERMINES CONTACT EROSION IN CIRCUIT BREAKER

Switching Device for a DC Voltage Grid and Operating Method for the...

Automated Digitized System And Methods For Verifying Power Relay Di...

METHOD OF MONITORING JOINT AND CONTACT CONDITIONS IN AN ELECTRICAL...

SYSTEM AND METHOD FOR ANALYSING OUT-OF-SERVICE CIRCUIT BREAKERS WIT...

GAS DENSITY RELAY WITH ONLINE SELF-CHECKING FUNCTION AND CHECKING M...