Patents-Review.com
ClassID:

202451 ⎘

H01H9/30 - CPC Classification

Classification description:

Details of switching devices, not covered by groups  -  Means for extinguishing or preventing arc between current-carrying parts

Sub-classes:
Recent Application in this class:
#1
20260142106
2026-05-21

HIGH-VOLTAGE CONNECTOR WITH JOINING GROOVE

 #2
20260094772
2026-04-02

CONTACTOR

 #3
20260011961
2026-01-08

CONNECTING STRUCTURE AND CONNECTING BASE

 #4
20250266216
2025-08-21

AN ELECTRICAL SWITCH FOR AN ON-LOAD TAP CHANGER

 #5
20250210290
2025-06-26

ELECTRIC CIRCUIT BREAKER DEVICE

 #6
20250007253
2025-01-02

ISOLATION SWITCHES WITH SHIELDED CONTACT STRUCTURES FOR MOTOR CONTROL CENTER APPLICATIONS

 #7
20240312732
2024-09-19

EARTHING SWITCH

 #8
20240304402
2024-09-12

CIRCUIT BREAKER

 #9
20240258045
2024-08-01

ARC ELIMINATION DEVICE

 #10
20240249899
2024-07-25

Excitation protection device acting step by step with single excitation source

 #11
20240222053
2024-07-04

PYROTECHNIC CIRCUIT INTERRUPTER

 #12
20240071701
2024-02-29

ELECTRICAL CIRCUIT CIRCUIT-BREAKING DEVICE

 #13
20240062977
2024-02-22

ELECTRIC CIRCUIT BREAKER DEVICE

 #14
20240062976
2024-02-22

ELECTRIC CIRCUIT BREAKER DEVICE

 #15
20230411087
2023-12-21

POWER CONTACT ELECTRODE SURFACE PLASMA THERAPY

 #16
20230343532
2023-10-26

Pyrotechnic circuit breaker

 #17
20230274899
2023-08-31

Device with sealed inner chamber

 #18
20230230789
2023-07-20

RELAY

 #19
20230085584
2023-03-16

Electromagnetic relay

 #20
20230068037
2023-03-02

Method and circuit for enabling a direct current source to power a load circuit designed for alternating current input

 #21
20230037447
2023-02-09

METHOD OF MAKING A CURRENT BREAKER

 #22
20230015939
2023-01-19

ARC FLASH MITIGATION DEVICE

 #23
20220406547
2022-12-22

Electromagnetic relay

 #24
20220384130
2022-12-01

Circuit breaker

 #25
20220384119
2022-12-01

Sliding contact arc suppression

 #26
20220384118
2022-12-01

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

 #27
20220352814
2022-11-03

Contactor for battery packs

 #28
20220348237
2022-11-03

Intermediate car electric coupler control circuit for subway vehicle

 #29
20220344108
2022-10-27

High speed arc suppressor

 #30
20220293353
2022-09-15

Two terminal arc suppressor

 #31
20220181108
2022-06-09

Switching device for fast disconnection of short-circuit currents

 #32
20220115857
2022-04-14

Arc flash mitigation device

 #33
20220108853
2022-04-07

Circuit breaker having internal transient recovery voltage capacitor assembly

 #34
20210375561
2021-12-02

Arc-extinguishing circuit with two power supplies and apparatus

 #35
20210327656
2021-10-21

Power contact electrode surface plasma therapy

 #36
20210296070
2021-09-23

Relay

 #37
20210233729
2021-07-29

Electrical circuit breaker

 #38
20210233728
2021-07-29

Electrical circuit breaker

 #39
20210159031
2021-05-27

Direct current arc extinguishing circuit and apparatus

 #40
20210159026
2021-05-27

Electronic device with case having sheath-piercing tapered sections

 #41
20210074487
2021-03-11

Power contact electrode surface plasma therapy

 #42
20210020389
2021-01-21

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

 #43
20210005404
2021-01-07

Two terminal arc suppressor

 #44
20200373102
2020-11-26

Integrated switch

 #45
20200365347
2020-11-19

Switching apparatus for carrying and disconnecting electric currents, and switchgear having a switching apparatus of this kind

 #46
20200365340
2020-11-19

Sliding contact arc suppression

 #47
20200365339
2020-11-19

High speed arc suppressor

 #48
20200321174
2020-10-08

Method for operating the drive of a vacuum interrupter, and vacuum interrupter itself

 #49
20200244015
2020-07-30

Sliding contact arc suppression

 #50
20200243292
2020-07-30

Modularity for circuit breakers

 #51
20200243273
2020-07-30

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

 #52
20200203093
2020-06-25

DIRECT CURRENT ARC EXTINGUISHING APPARATUS

 #53
20200083000
2020-03-12

Switching device

 #54
20190372459
2019-12-05

Method and voltage multiplier for converting an input voltage, and disconnector

 #55
20190348228
2019-11-14

Switching mechanism mountable on printed circuit board

 #56
20190311864
2019-10-10

Methods and apparatus for DC arc detection/suppression

 #57
20190237276
2019-08-01

Two terminal arc suppressor

 #58
20190220971
2019-07-18

Printer device, printer marking system and method with multi-stage production print inspection

 #59
20190180962
2019-06-13

Method for reconditioning of vacuum interrupters

 #60
20190051478
2019-02-14

Pyrotechnic isolator

 #61
20190035571
2019-01-31

Arc-extinguishing power device driving apparatus and arc extinguishing apparatus

 #62
20190013668
2019-01-10

Method of and apparatus for protecting a switch, such as a MEMS switch, and to a MEMS switch including such a protection apparatus

 #63
20180350546
2018-12-06

Bypass switch comprising a plunger, a first contact device and a second contact device

 #64
20180301296
2018-10-18

Power switch module

 #65
20180277315
2018-09-27

Low voltage electrical contact system with enhanced arc blow effect

 #66
20180218851
2018-08-02

Switching device

 #67
20180174774
2018-06-21

Contact member, sliding contact, electrical device and method for producing contact member having electrical contact surface layer comprising coated particles

 #68
20180122590
2018-05-03

Switch for gas insulated switchgear, and gas insulated switching device

 #69
20180047525
2018-02-15

SF6 insulated circuit breaker system with thermal capacitor

 #70
20180041021
2018-02-08

Switching system for breaking a current and method of performing a current breaking operation

 #71
20180005773
2018-01-04

Power contractor with high mechanic shock resistance

 #72
20170365428
2017-12-21

Thermal protector

 #73
20170330715
2017-11-16

Modular circuit protection systems and methods

 #74
20170316894
2017-11-02

Superconducting DC circuit breaker using arcing induction

 #75
20170271111
2017-09-21

Magnetic switch

 #76
20170263390
2017-09-14

Arc eliminator

 #77
20170263389
2017-09-14

Interlock device of withdrawable arc eliminator

 #78
20170236661
2017-08-17

Two terminal arc suppressor

 #79
20170229256
2017-08-10

Disconnecting device for galvanic direct current interruption

 #80
20170186562
2017-06-29

Structure of contacts for air circuit breaker

 #81
20170170644
2017-06-15

Method and circuit for detecting an electric arc in a circuit, and switching device using such a circuit

 #82
20170098520
2017-04-06

Magnetic position indicator for miniature circuit breaker handle

 #83
20170062156
2017-03-02

Multipolar power contactor

 #84
20170033549
2017-02-02

Electrical switching apparatus including alternating current electronic trip circuit with arc fault detection circuit

 #85
20160380422
2016-12-29

Electrical switching apparatus including alternating current electronic trip circuit with arc fault detection circuit and power supply

 #86
20160372285
2016-12-22

Current feedback-type electronic arc-extinguishing apparatus

 #87
20160372278
2016-12-22

Capacitive coupling-type arc extinguishing circuit and apparatus having same

 #88
20160343529
2016-11-24

GAS CIRCUIT BREAKER

 #89
20160322178
2016-11-03

High-voltage DC circuit breaker for blocking current flowing through DC lines

 #90
20160322177
2016-11-03

BIDIRECTIONAL DIRECT CURRENT CIRCUIT BREAKER

 #91
20160133401
2016-05-12

Switch device

 #92
20160079022
2016-03-17

Electric vehicle relay

 #93
20150325389
2015-11-12

Two terminal arc suppressor

 #94
20150243460
2015-08-27

Particulate and pressure redirection shield for an electric circuit breaker

 #95
20150213980
2015-07-30

Electromagnetic relay

 #96
20150171620
2015-06-18

Electrical switching apparatus including alternating current electronic trip circuit with arc fault detection circuit

 #97
20150171613
2015-06-18

Electrical switching apparatus including alternating current electronic trip circuit with arc fault detection circuit and power supply

 #98
20150146337
2015-05-28

Electrical contactor

 #99
20150145621
2015-05-28

Alternating current switch contactor

 #100
20150145620
2015-05-28

Alternating current switch contactor

 #101
20150145349
2015-05-28

Switchgear assembly

 #102
20150130402
2015-05-14

System and method for charging portable electronic devices

 #103
20150084722
2015-03-26

Switch

 #104
20140374384
2014-12-25

Electrical switch

 #105
20140251959
2014-09-11

Arc shield

 #106
20140175060
2014-06-26

Contactor-circuit breaker device

 #107
20140078623
2014-03-20

Two terminal arc suppressor

 #108
20140055902
2014-02-27

Switching device

 #109
20140008190
2014-01-09

Circuit breaker

 #110
20140001157
2014-01-02

Electronic switch

 #111
20130200046
2013-08-08

Electrical circuit breaker

 #112
20130200045
2013-08-08

Electrical isolator

 #113
20130092518
2013-04-18

Rocker switch device

 #114
20120318645
2012-12-20

Power supply circuit cut-off device and method of controlling power supply

 #115
20120299393
2012-11-29

Device and method to break the current of a power transmission or distribution line and current limiting arrangement

 #116
20120223803
2012-09-06

THERMAL OVERLOAD PROTECTION APPARATUS

 #117
20120193197
2012-08-02

Enhanced withstand voltage micro switch

 #118
20120169266
2012-07-05

Power switching system including a micro-electromechanical system (MEMS) array

 #119
20120169122
2012-07-05

DIRECT CURRENT POWER SWITCH DEVICE

 #120
20120133477
2012-05-31

Renewable one-time load break contactor

 #121
20120092102
2012-04-19

Noise decreasing type electromagnetic switch

 #122
20120092101
2012-04-19

Noise decreasing type electromagnetic switch

 #123
20120092100
2012-04-19

Electromagnetic switching apparatus

 #124
20120090166
2012-04-19

Method for manufacturing sealed contactor

 #125
20120090149
2012-04-19

Method for manufacturing sealed contactor

 #126
20110222191
2011-09-15

Two terminal arc suppressor

 #127
20110221563
2011-09-15

Fused disconnect switch with terminal opening cover

 #128
20110156846
2011-06-30

High voltage relay

 #129
20110073568
2011-03-31

Shield apparatus for circuit breaker

 #130
20100254046
2010-10-07

Controlling arc energy in a hybrid high voltage DC contactor

 #131
20100052433
2010-03-04

CIRCUIT ARRANGEMENT, SWITCH DEVICE, AND METHOD FOR CURRENTLESS SWITCHING OF A POWER CIRCUIT OF A CIRCUIT ARRANGEMENT

 #132
20080310056
2008-12-18

Remote-operable micro-electromechanical system based over-current protection apparatus

 #133
20080308394
2008-12-18

Micro-electromechanical system based switching

 #134
20080110734
2008-05-15

Switch for vehicle

 #135
20080073197
2008-03-27

Rotary switch

 #136
20080069548
2008-03-20

Trigger switch

 #137
20080042607
2008-02-21

Electric tool switch mechanism

 #138
20070046233
2007-03-01

Arc suppression circuit

 #139
20070014055
2007-01-18

Apparatus and method for relay contact arc suppression

 #140
20050275493
2005-12-15

Circuit breaker

 #141
14643615
2017-11-07

Arc fault detection in solar panel systems