Patents-Review.com
ClassID:

202922 ⎘

H01H33/64 - CPC Classification

Classification description:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas

Recent Application in this class:
#1
20240170240
2024-05-23

Alternative gas current pause circuit interrupter

 #2
20230207238
2023-06-29

LOW VOLTAGE SWITCH POLE

 #3
20220165522
2022-05-26

Gas circuit breaker system and method thereof

 #4
20210183599
2021-06-17

Arrangement and method for switching high voltages having a switching device and precisely one resistor stack

 #5
20210134543
2021-05-06

Insulating support assembly for a circuit breaker

 #6
20200365353
2020-11-19

Use of 1-chloro-2,3,3,3-tetrafluoropropene for isolating or extinguishing electric arcs

 #7
20200083675
2020-03-12

Switching apparatus

 #8
20190326083
2019-10-24

Electrical switch

 #9
20190304719
2019-10-03

Switching device with dual conductive housing

 #10
20190108960
2019-04-11

Ultrafast electromechanical disconnect switch having contact pressure adjustment

 #11
20190108959
2019-04-11

Ultrafast single actuator electromechanical disconnect switch

 #12
20190088434
2019-03-21

Ultrafast electromechanical disconnect switch having elliptical shell surrounded actuator

 #13
20190088433
2019-03-21

Ultrafast electromechanical disconnect switch having contact pressure adjustment and switching chamber

 #14
20190027327
2019-01-24

DIRECT CURRENT CIRCUIT BREAKER

 #15
20180350484
2018-12-06

METHODS FOR DIELECTRICALLY INSULATING ELECTRICAL ACTIVE PARTS

 #16
20180350483
2018-12-06

METHODS FOR DIELECTRICALLY INSULATING ELECTRICAL ACTIVE PARTS

 #17
20180342363
2018-11-29

Gas blast switch comprising an optimized gas storage chamber

 #18
20180247778
2018-08-30

Switchgear

 #19
20180211802
2018-07-26

Gas-insulated switch gear using dual motion with multi-lever

 #20
20180197709
2018-07-12

3-way disconnector and earth switch for gas insulated switchgear

 #21
20180138688
2018-05-17

Power system and method of forming the same

 #22
20180108452
2018-04-19

METHODS FOR DIELECTRICALLY INSULATING ELECTRICAL ACTIVE PARTS

 #23
20180075990
2018-03-15

Circuit breaker system with heating radiator and particle trap

 #24
20170372857
2017-12-28

SF6 insultated circuit breaker system with heater

 #25
20170349854
2017-12-07

Lubricant for gas insulated switchgear, and gas insulated switchgear

 #26
20170309428
2017-10-26

Gas circuit breaker and breaker for gas insulated switching device

 #27
20170278654
2017-09-28

Gas circuit breaker

 #28
20170263398
2017-09-14

Gas circuit breaker

 #29
20170194951
2017-07-06

Pulse power device based on annular ceramic solid state line

 #30
20170169973
2017-06-15

Medium voltage circuit breaker for the use in high pressure environments

 #31
20170069448
2017-03-09

Gas insulated switchgear

 #32
20160329182
2016-11-10

Ultrafast electromechanical disconnect switch

 #33
20160294167
2016-10-06

Gas circuit breaker and method for attaching bushing

 #34
20160240330
2016-08-18

Clutch mechanism for energy storage device and gas insulated circuit breaker thereof

 #35
20160155586
2016-06-02

Arc extinguishing contact assembly for a circuit breaker assembly

 #36
20160133405
2016-05-12

Sealed relay

 #37
20160126035
2016-05-05

Hybrid cutoff member for an electric circuit

 #38
20160064169
2016-03-03

Arc extinguishing contact assembly for a circuit breaker assembly

 #39
20160005559
2016-01-07

Gas circuit breaker

 #40
20150325393
2015-11-12

MEMS Switch

 #41
20150318124
2015-11-05

IMPROVED CIRCUIT BREAKER APPARATUS

 #42
20150303661
2015-10-22

ARC fault path for mitigation of ARC fault in power supply enclosure

 #43
20150294819
2015-10-15

Circuit interrupters with air trap regions in fluid reservoirs

 #44
20150294818
2015-10-15

Gas-insulated circuit breaker

 #45
20150279582
2015-10-01

Electrical switching device with a triple motion contact arrangement

 #46
20150129553
2015-05-14

Molded case circuit breaker

 #47
20150060411
2015-03-05

Gas circuit breaker

 #48
20150053647
2015-02-26

Gas circuit breaker

 #49
20150027985
2015-01-29

Gas circuit breaker

 #50
20150014278
2015-01-15

Current switch

 #51
20140360985
2014-12-11

SWITCH

 #52
20140346145
2014-11-27

Mixture of hydrofluoroolefine and hydrofluorocarbide to improve the internal ARC resistance in medium and high voltage electric apparatus

 #53
20140346143
2014-11-27

Gas insulated switchgear and manufacturing method of the same

 #54
20140166620
2014-06-19

Polarity independent switching device for carrying and disconnecting direct current

 #55
20140116859
2014-05-01

3-way switch for a gas-insulated apparatus

 #56
20140083832
2014-03-27

Gas insulated switchgear

 #57
20140078648
2014-03-20

Gas insulated switchgear

 #58
20140062625
2014-03-06

Electromagnetic contactor

 #59
20130248341
2013-09-26

Switch

 #60
20130221292
2013-08-29

Dielectric insulation medium

 #61
20130200045
2013-08-08

Electrical isolator

 #62
20130098874
2013-04-25

Switch having two sets of contact elements

 #63
20120092095
2012-04-19

Electromagnetic switching device

 #64
20100243415
2010-09-30

Switch

 #65
20100213045
2010-08-26

Switch

 #66
20100012624
2010-01-21

High-Voltage Disconnecting Circuit Breaker And Method Of Operating The Same

 #67
20090179718
2009-07-16

HIGH-POWERED SWITCHING DEVICE DISPOSED ON AN ELECTRICALLY POWERED VEHICLE

 #68
20070119818
2007-05-31

Compressed-gas-insulated switch-disconnector module and bushing configuration

 #69
16580568
2020-08-04

High voltage electric power switch with anti-flashover nozzle

 #70
15411462
2017-10-24

Gas insulated high voltage electrical device equipped with an enhanced particle trap

 #71
14612664
2016-07-05

Extruded bushing terminal radiator