Patents-Review.com
ClassID:

202199 ⎘

H01H1/54 - CPC Classification

Classification description:

Contacts; Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force

Sub-classes:
Recent Application in this class:
#1
20250246378
2025-07-31

CONTROL SYSTEM AND INTERRUPTER SYSTEM

 #2
20250149281
2025-05-08

DC RELAY FOR ANTI-SHORT CIRCUIT CURRENT AND ARC EXTINCTION

 #3
20250149280
2025-05-08

DC RELAY FOR ANTI-SHORT CIRCUIT CURRENT AND ARC EXTINCTION

 #4
20240177956
2024-05-30

Short circuit current-resistant and arc-extinguishing DC relay

 #5
20240177946
2024-05-30

Control system and interrupter system

 #6
20240170232
2024-05-23

PULSE-TRAIN LASER-PLASMA ACCELERATOR

 #7
20240079189
2024-03-07

SWITCH AND ON-LOAD TAP CHANGER WITH A SWITCH

 #8
20230260734
2023-08-17

Direct-current relay capable of extinguishing arc and resisting short-circuit current

 #9
20230260733
2023-08-17

Direct-current relay having a function of extinguishing ARC and resisting short-circuit current

 #10
20230260732
2023-08-17

Direct-current relay capable of extinguishing arc and resisting short-circuit current

 #11
20230260731
2023-08-17

Direct-current relay having a function of extinguishing arc and resisting short-circuit current

 #12
20230260730
2023-08-17

Direct-current relay capable of extinguishing arc and resisting short-circuit current

 #13
20230238192
2023-07-27

Compact electromagnetic push switch assembly

 #14
20230196868
2023-06-22

Pushbutton switch, operating unit, and amusement machine

 #15
20230076921
2023-03-09

Contactor

 #16
20230064375
2023-03-02

Ingress-tolerant input devices

 #17
20220293322
2022-09-15

Coil driving device

 #18
20220223362
2022-07-14

DIRECT CURRENT RELAY

 #19
20220189708
2022-06-16

High voltage relay resistant to instantaneous high-current impact

 #20
20220013316
2022-01-13

Direct-current relay resistant to short-circuit current

 #21
20210375569
2021-12-02

CONTACT DEVICE, ELECTROMAGNETIC RELAY, AND ELECTRICAL DEVICE

 #22
20210304974
2021-09-30

Control system and interrupter system

 #23
20210183588
2021-06-17

Keyswitch device

 #24
20210175031
2021-06-10

Direct current relay

 #25
20210057172
2021-02-25

Circuit interrupter

 #26
20200381195
2020-12-03

Keyswitch structure

 #27
20200286702
2020-09-10

CONTACT MODULE, CONTACT DEVICE, ELECTROMAGNETIC RELAY MODULE, AND ELECTRICAL DEVICE

 #28
20200258694
2020-08-13

High voltage relay resistant to instantaneous high-current impact

 #29
20200203094
2020-06-25

Switch

 #30
20200168408
2020-05-28

Electromagnetic relay

 #31
20200161067
2020-05-21

Contact device, electromagnetic relay, and electrical device

 #32
20200035433
2020-01-30

Contact device and electromagnetic relay

 #33
20190304729
2019-10-03

Relay

 #34
20190304726
2019-10-03

Electromagnetic relay

 #35
20190122837
2019-04-25

Key structure

 #36
20190096595
2019-03-28

Low profile blow-on force automatic switch

 #37
20190006139
2019-01-03

Electromagnetic relay

 #38
20180374667
2018-12-27

ELECTRICAL CONTACT APPARATUS, ASSEMBLIES, AND METHODS OF OPERATION

 #39
20180358186
2018-12-13

Contact piece unit and relay

 #40
20180240631
2018-08-23

Relay

 #41
20180218861
2018-08-02

Switching device comprising a vacuum tube

 #42
20180182568
2018-06-28

High-voltage earthing switch

 #43
20180090291
2018-03-29

Weld resistant contactor

 #44
20180075983
2018-03-15

Electrical circuit breaker with contact fingers having customized contact pressure

 #45
20170178841
2017-06-22

Keyswitch structure, switch structure and method of assembling a keyswitch structure

 #46
20170117104
2017-04-27

Low profile blow-on force automatic switch

 #47
20170110276
2017-04-20

Electrical contact switch, electrical contactor and method of preventing or inhibiting contact bounce of electrical contactor

 #48
20160372287
2016-12-22

Switching contactor

 #49
20160211602
2016-07-21

Switching contactor

 #50
20160181038
2016-06-23

Electromagnetic relay

 #51
20160181037
2016-06-23

Device for transmission of forces

 #52
20160141132
2016-05-19

Contact device

 #53
20160071677
2016-03-10

Electric switching device with enhanced Lorentz force bias

 #54
20160035502
2016-02-04

Magnetic latching relay having asymmetrical solenoid structure

 #55
20150318134
2015-11-05

Electrical contact sets

 #56
20150255236
2015-09-10

Contact apparatus

 #57
20150213983
2015-07-30

Switching contactor

 #58
20150213982
2015-07-30

Relay

 #59
20150146337
2015-05-28

Electrical contactor

 #60
20150145621
2015-05-28

Alternating current switch contactor

 #61
20150145620
2015-05-28

Alternating current switch contactor

 #62
20150077202
2015-03-19

Spring load adjustment structure of contact device and spring load adjustment method of contact device

 #63
20150054606
2015-02-26

Electromagnetic contactor

 #64
20150048908
2015-02-19

Contact device and electromagnetic contactor using the same

 #65
20150022295
2015-01-22

Electromagnetic contactor having a contact noise suppression member

 #66
20150002250
2015-01-01

Electromagnetic contactor

 #67
20140266522
2014-09-18

Contact mechanism and electromagnetic contactor using same

 #68
20140262716
2014-09-18

Touchsurface assembly having key guides formed in a sheet metal component

 #69
20140218140
2014-08-07

Parallel type transfer switch contacts assemblies

 #70
20140132373
2014-05-15

Electromagnetically operated device and switching device including the same

 #71
20140062627
2014-03-06

Electromagnetic contactor

 #72
20140035705
2014-02-06

Relay

 #73
20140015627
2014-01-16

Relay

 #74
20130342294
2013-12-26

Contactor arrangement for use in dielectric liquid

 #75
20130335177
2013-12-19

Contact device

 #76
20130335175
2013-12-19

Contact mechanism and electromagnetic contactor using the same

 #77
20130240337
2013-09-19

Contact mechanism of an electric switching device

 #78
20130178086
2013-07-11

Switching contactor

 #79
20130178085
2013-07-11

Switching contactor

 #80
20130176017
2013-07-11

Switching contactor

 #81
20130115807
2013-05-09

Contact apparatus

 #82
20130113580
2013-05-09

Contact mechanism and electromagnetic contactor using same

 #83
20130049905
2013-02-28

Power contact device with electrodynamic compensation in the presence of high currents

 #84
20130021122
2013-01-24

Relay

 #85
20130021121
2013-01-24

Relay

 #86
20130008873
2013-01-10

ELECTRICAL HIGH-VOLTAGE ON-LOAD DISCONNECTOR AND METHOD FOR OPENING THE SAME

 #87
20120256713
2012-10-11

Electromagnetic relay

 #88
20120235775
2012-09-20

ELECTROMAGNETIC RELAY

 #89
20120206222
2012-08-16

Bi-stable electromagnetic relay with x-drive motor

 #90
20110272258
2011-11-10

Switching devices configured to control magnetic fields to maintain an electrical connection

 #91
20110241809
2011-10-06

Electromagnetic relay

 #92
20110240603
2011-10-06

Contact bridge with blow magnets

 #93
20110109411
2011-05-12

Sealed magnetically controlled electric switch assembly

 #94
20110095853
2011-04-28

Electrical contactor

 #95
20100282579
2010-11-11

Electricity meter contact arrangement

 #96
20100087070
2010-04-08

Electrical appliance having an electrical connection

 #97
20090322454
2009-12-31

Electromagnetic relay

 #98
20090318000
2009-12-24

Electrical contactor

 #99
20090272636
2009-11-05

Serrated contact members

 #100
20090256659
2009-10-15

CIRCUIT BREAKER WITH IMPROVED CLOSE AND LATCH PERFORMANCE

 #101
20080135390
2008-06-12

Switching device contact arm and armature plate

 #102
20080012665
2008-01-17

Design and method for keeping electrical contacts closed during short circuits

 #103
20060145794
2006-07-06

Electrical switching device, relay and electrical apparatus comprising same