ClassID:

202108

H01H1/0015 - CPC Classification

Classification description:

Contacts Means for testing or for inspecting contacts, e.g. wear indicator

Sub-classes:
Recent Application in this class:
#1
20260120972
2026-04-30

METHOD FOR DETERMINING AN ESTIMATED TRAVEL CURVE OF AN INTERRUPTER UNIT, AND INTERRUPTER UNIT FOR A GAS-INSULATED HIGH OR MEDIUM VOLTAGE DEVICE

#2
20260011512
2026-01-08

Power Switching Device with Self Diagnostic Capability

#3
20260005509
2026-01-01

DROPOUT RECLOSER

#4
20250232939
2025-07-17

CIRCUIT BREAKERS INCORPORATING RESET LOCKOUT MECHANISMS

#5
20250191857
2025-06-12

Electric Power Disconnect Switch With Integrated Bypass Switch

#6
20250180647
2025-06-05

Monitoring Electrical Contactor Health

#7
20250166935
2025-05-22

CONTACT FOR HIGH AMPERAGE SWITCH AND TEST METHOD FOR IDENTIFICATION OF CAUSES OF CONTACT FAILURE

#8
20250044355
2025-02-06

SWITCH WITH SERVICE LIFE INDICATOR

#9
20250022669
2025-01-16

PROCESS FOR DETECTING DEGRADATION OF A SWITCHING DEVICE

#10
20240426913
2024-12-26

DETECTING WELDED RELAY CONTACTS USING MEASUREMENT AFTER CURRENT BREAK

#11
20240170946
2024-05-23

DROPOUT RECLOSER

#12
20240112868
2024-04-04

WAREWASH MACHINE OR OTHER FOOD EQUIPMENT MACHINE WITH CONTACTOR MONITORING SYSTEM

#13
20240055195
2024-02-15

Power Contact Health Assessor Apparatus and Method

#14
20230395332
2023-12-07

Switchgear system that determines contact erosion in circuit breaker

#15
20230253167
2023-08-10

Arc detection system, arc detection method, and recording medium

#16
20230197367
2023-06-22

CONTACTOR MONITORING

#17
20230197362
2023-06-22

Switchgear system that determines contact erosion in circuit breaker

#18
20230112718
2023-04-13

Systems and methods for relay contact assembly reduction

#19
20230089554
2023-03-23

Circuit breakers incorporating reset lockout mechanisms

#20
20230061652
2023-03-02

Method and device for determining contact thickness change of a contactor

#21
20230025832
2023-01-26

Switching device for a medium voltage electrical circuit

#22
20220384119
2022-12-01

Sliding contact arc suppression

#23
20220384118
2022-12-01

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

#24
20220344108
2022-10-27

High speed arc suppressor

#25
20220230829
2022-07-21

Circuit breakers incorporating reset lockout mechanisms

#26
20220224103
2022-07-14

Dropout recloser

#27
20220208481
2022-06-30

Electronic control device, work vehicle, and input circuit

#28
20220148822
2022-05-12

Power contact health assessor apparatus and method

#29
20220044882
2022-02-10

Power contact fault clearing device

#30
20220020547
2022-01-20

METHOD FOR DIAGNOSING AN OPERATING STATE OF AN ELECTRICAL SWITCHING DEVICE AND ELECTRICAL SWITCHING DEVICE FOR IMPLEMENTING SUCH A METHOD

#31
20220020546
2022-01-20

METHOD FOR DIAGNOSING AN OPERATING STATE OF AN ELECTRICAL SWITCHING DEVICE AND ELECTRICAL SWITCHING DEVICE FOR IMPLEMENTING SUCH A METHOD

#32
20220020539
2022-01-20

Methods for estimating a property of an electrical switching device, devices for implementing these methods

#33
20210398753
2021-12-23

Warewash machine or other food equipment machine with contactor monitoring system

#34
20210358710
2021-11-18

Method for monitoring an electromechanical component of an automated system

#35
20210296058
2021-09-23

Relay state prediction device, relay state prediction system, relay state prediction method, and non-transitory computer readable medium

#36
20210173538
2021-06-10

Power contact health assessor apparatus and method

#37
20210159025
2021-05-27

METHOD FOR CALCULATING THE CONTACT STATE OF AN ELECTRICAL SWITCH, AND ELECTRICAL SWITCH WITH SUCH A METHOD

#38
20210098205
2021-04-01

Systems and methods for relay contact assembly reduction

#39
20210096184
2021-04-01

Direct current contactor wear tracking

#40
20210090823
2021-03-25

Determining a state of a switching unit

#41
20210020389
2021-01-21

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

#42
20210005401
2021-01-07

Power contact fault clearing device

#43
20200373094
2020-11-26

Power contact end-of-life (EoL) predictor apparatus and method

#44
20200365340
2020-11-19

Sliding contact arc suppression

#45
20200365339
2020-11-19

High speed arc suppressor

#46
20200365338
2020-11-19

Contactor with contact carrier location sensing

#47
20200357580
2020-11-12

Wet/dry contact sequencer

#48
20200303138
2020-09-24

Circuit interrupter and method of determining contact wear based upon temperature

#49
20200273636
2020-08-27

Switchgear with an optical monitoring system

#50
20200266620
2020-08-20

Dropout recloser

#51
20200243273
2020-07-30

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

#52
20200243270
2020-07-30

High speed arc suppressor

#53
20200243269
2020-07-30

Power contact health assessor apparatus and method

#54
20200243268
2020-07-30

Wet/dry contact sequencer

#55
20200225093
2020-07-16

TEMPERATURE INDICATOR FOR ELECTRICAL EQUIPMENT

#56
20200209312
2020-07-02

System and method for diagnosing contactor lifetime by using contactor coil current

#57
20200203088
2020-06-25

Monitoring device for switching systems

#58
20200194191
2020-06-18

Circuit interrupters with non-contact sensor systems for evaluating erosion of electrical contacts and related methods

#59
20200144000
2020-05-07

Switch and method for manufacturing the switch

#60
20190189379
2019-06-20

Circuit breakers incorporating reset lockout mechanisms

#61
20190080858
2019-03-14

System and method for providing functional safety monitoring of relay contacts

#62
20190074148
2019-03-07

Electromagnetically moving device

#63
20190018065
2019-01-17

Electrical switching device and method for detecting associated wear

#64
20180308650
2018-10-25

Switching arrangement

#65
20180292269
2018-10-11

Temperature indicator for electrical equipment

#66
20180278813
2018-09-27

Camera system for gas-insulated switchgear systems

#67
20180174768
2018-06-21

Method and device for diagnosing wear of an electrical switching unit, and electrical unit comprising such a device

#68
20180172767
2018-06-21

System and method for monitoring contact life of a circuit interrupter

#69
20180172766
2018-06-21

Electronic switch

#70
20180033566
2018-02-01

Switch cover

#71
20180025871
2018-01-25

Electromagnetic contactor provided with means for detecting the open or closed position of controlled switches

#72
20170336354
2017-11-23

System and method to predict a usable life of a vacuum interrupter in the field

#73
20170331276
2017-11-16

Electrical wiring device with protective features

#74
20170287666
2017-10-05

Circuit breaker characteristic monitoring device

#75
20170250047
2017-08-31

Pivot supporting structure and circuit breaker

#76
20170248473
2017-08-31

Temperature indicator for electrical equipment

#77
20170221649
2017-08-03

Switch

#78
20170178825
2017-06-22

Universal contact input supporting programmable wetting current

#79
20170146601
2017-05-25

Method and system for verification of contact operation

#80
20170059040
2017-03-02

Electrical parking brake device

#81
20170045481
2017-02-16

Vibration sensor assembly for prognostic and diagnostic health assessment of a power circuit breaker's power transmission and distribution system in real time

#82
20160252480
2016-09-01

Flexible magnetic field coil for measuring ionic quantity

#83
20160225543
2016-08-04

Mechanical wear, wipe and stroke measurement system for circuit breakers

#84
20160211634
2016-07-21

Apparatus, brush holder and system for monitoring brush wear

#85
20160169945
2016-06-16

System and method for contact measurement circuit

#86
20160146889
2016-05-26

Monitoring circuit for detecting a switching state of an electrical switching contact and method therefor

#87
20160141117
2016-05-19

Mechanical wear, wipe and stroke measurement system for circuit breakers

#88
20160139206
2016-05-19

Contact wear detection by spectral analysis shift

#89
20160124048
2016-05-05

Portable diagnostic apparatus for testing circuit breakers

#90
20160099118
2016-04-07

Electrical interruption apparatus with wear indicator

#91
20160054251
2016-02-25

Device for detecting contact of an electrical conductor by a tool

#92
20150380145
2015-12-31

Switching arrangement

#93
20150226804
2015-08-13

Electromagnetic test device to predict a usable life of a vacuum interrupter in the field

#94
20150226803
2015-08-13

Method to predict a usable life of a vacuum interrupter in the field

#95
20150194276
2015-07-09

Device for indicating the state of a switching apparatus

#96
20150137819
2015-05-21

System and method for monitoring relay contacts

#97
20150116878
2015-04-30

Dropout recloser

#98
20150096874
2015-04-09

Switching device and method for detecting malfunctioning of such a switching device

#99
20150055269
2015-02-26

Method and apparatus for restoring mechanical relay from stuck fault to normal condition

#100
20140218838
2014-08-07

Coil actuator for a switching device and related switching device

#101
20140211829
2014-07-31

Temperature indicator for electrical equipment

#102
20140097850
2014-04-10

Terminal blocks including integral safety relays having independently testable contacts

#103
20140090965
2014-04-03

Circuit interrupter employing a linear transducer to monitor contact erosion

#104
20140077907
2014-03-20

Tool and method for switching an electromagnetic relay

#105
20140069784
2014-03-13

Method for evaluating the mechanical performances of a switchgear device and switchgear device for implementation of said method

#106
20140016238
2014-01-16

Relay-welding detection circuit and power supplying system

#107
20140002946
2014-01-02

Electromagnetic opening/closing device

#108
20140002945
2014-01-02

Electromagnetic opening/closing device

#109
20140002092
2014-01-02

Electromagnetic opening/closing device

#110
20130335174
2013-12-19

Electromagnetic opening/closing device

#111
20130213936
2013-08-22

Gas-insulated high-voltage switch for interruption of large currents

#112
20130147590
2013-06-13

Flexible magnetic field coil for measuring ionic quantity

#113
20130106200
2013-05-02

Method for detecting a switching position of a switching device

#114
20130103334
2013-04-25

Method for diagnosing an operating state of a contactor and contactor for implementing said method

#115
20130073257
2013-03-21

METHOD, DEVICE, AND SYSTEM FOR MONITORING A COMPONENT

#116
20120253695
2012-10-04

Method and apparatus for determining the wear on a contact element

#117
20120247933
2012-10-04

Switchgear assembly including a transparent viewing port for visual observation of contacts

#118
20120234227
2012-09-20

Temperature indicators utilizing trace materials

#119
20120166103
2012-06-28

Method of determining end-of-life of a fault interrupting device

#120
20120154972
2012-06-21

Electrical wiring device with protective features

#121
20120053886
2012-03-01

Circuit breaker interrupter travel curve estimation

#122
20120028510
2012-02-02

Visible open for switchgear assembly

#123
20110228438
2011-09-22

Relay failure detecting device, power-supply device, image forming apparatus, relay failure detecting method, and computer program product

#124
20110062960
2011-03-17

DEVICE AND METHOD TO MONITOR ELECTRICAL CONTACT STATUS

#125
20100326959
2010-12-30

Gas insulated switchgear and method for detecting arc damage in a gas insulated switchgear part

#126
20100288606
2010-11-18

Evaluation of the integrity of depressed contacts by variation of the rotation of the pole-shaft

#127
20100079973
2010-04-01

Electrical switchgear providing improved infrared predictive/preventive maintenance

#128
20100025209
2010-02-04

METHOD FOR DETECTING A SWITCH POSITION OF AN ISOLATING SWITCH, OR OF A GROUNDING SWITCH

#129
20090294711
2009-12-03

Control algorithm for freeing an EGR valve from contamination adhesion

#130
20090278544
2009-11-12

System and method for monitoring displacement within energized tap changer compartments

#131
20090213517
2009-08-27

SWITCHING DEVICE FOR SWITCHING AT LEAST ONE CURRENT

#132
20090161271
2009-06-25

Circuit interrupting device with interconnecting reset and test buttons

#133
20090144019
2009-06-04

Method for determining contact erosion of an electromagnetic switching device, and electromagnetic switching device comprising a mechanism operating according to said method

#134
20090086389
2009-04-02

Circuit interrupting device with end-of life testing, reverse wiring and high voltage surge capability

#135
20090065343
2009-03-12

Device for neutralizing an electric switching unit

#136
20090063063
2009-03-05

Preventive maintenance tapping and duty cycle monitor for voltage regulator

#137
20080309437
2008-12-18

Fault interrupting and reclosing device

#138
20080230357
2008-09-25

GOLD-METAL OXIDE THIN FILMS FOR WEAR-RESISTANT MICROELECTROMECHANICAL SYSTEMS ("MEMS")

#139
20080217297
2008-09-11

Gas insulated switchgear and method for detecting arc damage in a gas insulated switchgear part

#140
20080129430
2008-06-05

Method and device for the secure operation of a switching device

#141
20080110732
2008-05-15

Method and device for the secure operation of a switching device

#142
20080105524
2008-05-08

Apparatus for monitoring the state of an electrical switching device

#143
20080100146
2008-05-01

Contact verification method for a transfer switch mechanism

#144
20080094156
2008-04-24

Method and device for securely operating a switching device

#145
20080093202
2008-04-24

Electrical contact with double-Knife coupling, particularly for disconnectors, switches or the like

#146
20080087115
2008-04-17

Sensor attached IC tag application high voltage equipment

#147
20080074215
2008-03-27

Method and apparatus for monitoring wellness of contactors and starters

#148
20080036562
2008-02-14

Method and device for the secure operation of a switching device

#149
20080036561
2008-02-14

Method and device for the safe operation of a switching device

#150
20070222427
2007-09-27

State grasp device, and switching control device of power switching apparatus employing the state grasp device

#151
20070152177
2007-07-05

Device for detecting fluorescent trace material

#152
20070127186
2007-06-07

Micro-Electromechanical Switch Performance Enhancement

#153
20070051595
2007-03-08

Method for monitoring contact consumption in multiple contact switches

#154
20070001677
2007-01-04

Device for detecting contact wear in switching appliances

#155
20060148288
2006-07-06

Electrical device with fixed contacts, mobile contacts and inspectable arc chambers

#156
20060119344
2006-06-08

Wireless system for one or more electrical switching apparatus

#157
20060076946
2006-04-13

Self-powered power bus sensor employing wireless communication

#158
20060028235
2006-02-09

Preventive maintenance tapping and duty cycle monitor for voltage regulator

#159
20050245209
2005-11-03

Mechanical switching circuit

#160
20050224331
2005-10-13

Switch contact arrangement with an erosion display for the switch contacts

#161
20050178647
2005-08-18

Apparatus for electrical contact

#162
20050122117
2005-06-09

Method for determining wear of a switchgear contacts

#163
20050104598
2005-05-19

Method and apparatus for detecting wear in components of high voltage electrical equipment

#164
20050096878
2005-05-05

Micro-electromechanical switch performance enhancement

#165
20050093665
2005-05-05

Electromagnetic switch of engine starter

#166
20050063107
2005-03-24

Medium voltage vacuum circuit interrupter

#167
20050040020
2005-02-24

Electric contacts, electric contact apparatus and method for detecting abrasion of the electric contacts

#168
13455624
2015-05-12

Electromagnetic test device to predict a usable life of a vacuum interrupter in the field

#169
13455608
2015-05-05

Method to predict a usable life of a vacuum interrupter in the field