ClassID:

171929

G01R31/3272 - CPC Classification

Classification description:

Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere; Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices Apparatus, systems or circuits therefor

Sub-classes:
Recent Application in this class:
#1
20250258229
2025-08-14

GENERATOR SET CIRCUIT BREAKER APPARATUS SYNCHRONIZATION TEST METHOD AND APPARATUS, DEVICE, AND MEDIUM

#2
20250251451
2025-08-07

MEMS hot switch testing system

#3
20240219466
2024-07-04

CIRCUIT BREAKER MECHANISM POSITION SENSOR SYSTEMS

#4
20240201259
2024-06-20

TEST BUTTON LOOP DEVICE AND CIRCUIT BREAKER

#5
20240118341
2024-04-11

SWITCHGEAR GROUND AND TEST DEVICE HAVING FIRST AND SECOND SETS OF GROUNDING BARS AND GROUND SHOE ASSEMBLY

#6
20230375619
2023-11-23

Switchgear ground and test device having interchangeable grounding bars

#7
20230358808
2023-11-09

TESTING SYSTEM THAT DETERMINES CONTACT EROSION IN CIRCUIT BREAKER

#8
20230275417
2023-08-31

DC circuit breaker with an alternating commutating circuit

#9
20230258723
2023-08-17

Switchgear ground and test device having interchangeable grounding bars

#10
20230228817
2023-07-20

TEST SYSTEM AND MAIN DEVICE AND ADDITIONAL DEVICE THEREOF FOR TESTING AN ELECTRIC DEVICE

#11
20230194609
2023-06-22

Testing system that determines contact erosion in circuit breaker

#12
20230099667
2023-03-30

Relay diagnosis device, relay diagnosis method, battery system, and electric vehicle

#13
20230062847
2023-03-02

Bushing

#14
20230048584
2023-02-16

Apparatus and method for testing insulated high voltage devices

#15
20220384119
2022-12-01

Sliding contact arc suppression

#16
20220384118
2022-12-01

High power, multi-phase, AC power contact arc suppressor

#17
20220344108
2022-10-27

High speed arc suppressor

#18
20210373078
2021-12-02

Testing method for conduct synchronism of dual power transfer switch and apparatus thereof

#19
20210048477
2021-02-18

Test apparatus and method for synthetically testing at least one switch device for a high-voltage battery of a vehicle

#20
20210020389
2021-01-21

High power, multi-phase, AC power contact arc suppressor

#21
20200386842
2020-12-10

System and method for integrated test on primary-secondary pole-mounted breaker

#22
20200365340
2020-11-19

Sliding contact arc suppression

#23
20200365339
2020-11-19

High speed arc suppressor

#24
20200243273
2020-07-30

High power, multi-phase, AC power contact arc suppressor

#25
20200233017
2020-07-23

Ungrounded control of low energy analog (LEA) voltage measurements

#26
20200182956
2020-06-11

Testing system for traveling wave fault detectors

#27
20200106258
2020-04-02

DC circuit breaker with an alternating commutating circuit

#28
20190302149
2019-10-03

Ungrounded control of low energy analog (LEA) voltage measurements

#29
20190148093
2019-05-16

Actuator for a medium voltage circuit breaker

#30
20190128971
2019-05-02

Modification of test measurement signals for protective devices for electric power networks

#31
20190072602
2019-03-07

Electrical ground and test devices and related methods

#32
20190049516
2019-02-14

Testing device and method for testing a control unit of a switching device of a switchgear installation

#33
20190018064
2019-01-17

RFID status monitor for high voltage and remote electric power systems

#34
20180238967
2018-08-23

Test arrangement and method for testing a switching system

#35
20180136281
2018-05-17

Synthetic test circuit for testing submodule performance in power compensator and test method thereof

#36
20180011137
2018-01-11

Circuit arrangement for high-voltage tests and high-voltage testing system

#37
20170254852
2017-09-07

Apparatus and methods for monitoring auxiliary contact status

#38
20170194113
2017-07-06

Sensor for circuit breaker open and close failure prediction

#39
20170139009
2017-05-18

Test system and method for testing a circuit breaker

#40
20170102444
2017-04-13

Testing system for traveling wave fault detectors

#41
20170082690
2017-03-23

Method and system for testing a switching installation for power transmission installations

#42
20170025847
2017-01-26

Ground fault circuit interrupter (GFCI) monitor

#43
20170016949
2017-01-19

Method and apparatus for testing utility power devices

#44
20160313402
2016-10-27

Switch device

#45
20160291058
2016-10-06

Safety test switch with actuation lever

#46
20160225543
2016-08-04

Mechanical wear, wipe and stroke measurement system for circuit breakers

#47
20160141117
2016-05-19

Mechanical wear, wipe and stroke measurement system for circuit breakers

#48
20160139206
2016-05-19

Contact wear detection by spectral analysis shift

#49
20160124048
2016-05-05

Portable diagnostic apparatus for testing circuit breakers

#50
20160003921
2016-01-07

Method for testing multiple spatially distributed protective devices of an energy supply network, and corresponding testing system

#51
20150280596
2015-10-01

Single phase AC chopper for high current control of complex and simple loads

#52
20150198667
2015-07-16

Dual ground breaker testing system

#53
20150106670
2015-04-16

Methods, systems, and computer readable media for providing user interfaces for specification of system under test (SUT) and network tap topology and for presenting topology specific test results

#54
20150106669
2015-04-16

Methods, systems, and computer readable media for providing for specification or autodiscovery of device under test (DUT) topology information

#55
20140293490
2014-10-02

Ground fault circuit interrupter (GFCI) monitor

#56
20140268454
2014-09-18

Systems and methods for power interruption

#57
20140198413
2014-07-17

Method for adapting an arc sensor

#58
20140125351
2014-05-08

Method and apparatus for testing utility power devices

#59
20140009162
2014-01-09

System and method for testing a circuit

#60
20130300423
2013-11-14

Measuring device for checking an electrical circuit breaker

#61
20120319709
2012-12-20

High speed controllable load

#62
20120257314
2012-10-11

Ground fault circuit interrupter (GFCI) monitor

#63
20120256652
2012-10-11

System and method for testing electrical equipment used in a power system

#64
20120173180
2012-07-05

APPARATUS AND METHOD FOR EVALUATING HEALTH OF TAB CHANGER

#65
20120169350
2012-07-05

TEST ACTUATOR FOR TAP CHANGER

#66
20110276189
2011-11-10

Control and protection system of converter valve operation test equipment

#67
20110273201
2011-11-10

High voltage thyristor valve multi-injection test method

#68
20110187376
2011-08-04

System and method for testing a circuit

#69
20100204948
2010-08-12

System level testing for substation automation systems

#70
20100097074
2010-04-22

Continuous series arc generator

#71
20100073002
2010-03-25

Circuit interrupter with continuous self-testing feature

#72
20100060469
2010-03-11

Communication interface apparatus for an electrical distribution panel, and system and electrical distribution panel including the same

#73
20100060468
2010-03-11

Electrical switching apparatus including a trip coil open circuit test circuit and system including the same

#74
20090033356
2009-02-05

System and method for modulating a power supply in a relay test system

#75
20080284450
2008-11-20

Arc wave generator for testing an arc-fault circuit interrupter

#76
20080100305
2008-05-01

Automated arc generator and method to repeatably generate electrical arcs for AFCI testing

#77
20070257680
2007-11-08

Relay testing system and method

#78
20060209483
2006-09-21

Portable circuit interrupter tester and method

#79
20060059681
2006-03-23

Method of manufacturing an extended test switch

#80
20050110501
2005-05-26

Circuit breaker overcurrent and ground fault test apparatus

#81
20050107976
2005-05-19

Programmable system for device testing and control

#82
14670347
2018-07-03

Portable test unit with load