Patents-Review.com
ClassID:

202974 ⎘

H01H33/74 - CPC Classification

Classification description:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber wherein the break is in gas

Recent Application in this class:
#1
20250385059
2025-12-18

HIGH VOLTAGE CIRCUIT-BREAKER HAVING AN OPTIMIZED CONTACTS DESIGN

 #2
20250191862
2025-06-12

METAL ENCLOSED CIRCUIT BREAKER

 #3
20230386771
2023-11-30

CIRCUIT BREAKER COMPRISING AN IMPROVED GAS FLOW MANAGEMENT

 #4
20230115892
2023-04-13

Air circuit breaker

 #5
20210383992
2021-12-09

Interrupter unit for a circuit breaker

 #6
20210265122
2021-08-26

Nozzle for high or medium voltage circuit breaker

 #7
20200357587
2020-11-12

Insulating molded body and gas circuit breaker

 #8
20200185171
2020-06-11

Circuit breaker comprising a ceria-based catalyst for CO conversion into CO2

 #9
20200161066
2020-05-21

Electric switch provided with an arc-blasting unit

 #10
20190180963
2019-06-13

Interrupter unit for a circuit breaker

 #11
20190157028
2019-05-23

Low-voltage multipolar circuit breaker

 #12
20190088430
2019-03-21

Gas circuit breaker

 #13
20190035580
2019-01-31

Extinguishing gas filtering device and electric current switchgear comprising such a filtering device

 #14
20190035579
2019-01-31

Electrical circuit breaker device with particle trap

 #15
20180294116
2018-10-11

Gas-insulated circuit breaker and a method for breaking an electrical connection

 #16
20180012715
2018-01-11

Circuit breaker equipped with an extensible exhaust cover

 #17
20170352509
2017-12-07

HIGH-VOLTAGE ELECTRICAL CIRCUIT BREAKER DEVICE WITH OPTIMISED AUTOMATIC EXTINCTION

 #18
20170345593
2017-11-30

Gas circuit breaker

 #19
20170207045
2017-07-20

Arc chamber assembly and method

 #20
20170162349
2017-06-08

SELF-BLAST CIRCUIT BREAKER USING THE TWO-PHASE STATE OF A GAS TO IMPROVE THE CUT-OFF PROPERTIES

 #21
20160379780
2016-12-29

Gas circuit breaker

 #22
20160314917
2016-10-27

Magnetic switch

 #23
20160307716
2016-10-20

Electrical switching device

 #24
20160307709
2016-10-20

Switching arrangement and method for mounting a switching arrangement

 #25
20160217952
2016-07-28

Exhaust diffuser for a gas-insulated high voltage circuit breaker

 #26
20160217950
2016-07-28

Low voltage switch pole

 #27
20160172133
2016-06-16

Circuit breaker

 #28
20160141127
2016-05-19

DC voltage switch for high voltage electrical systems

 #29
20160133407
2016-05-12

Gas circuit breaker

 #30
20160104591
2016-04-14

Single-pole breaking unit comprising a rotary contact bridge, and a switchgear device, and circuit breaker comprising such a unit

 #31
20150294818
2015-10-15

Gas-insulated circuit breaker

 #32
20150279594
2015-10-01

Quenching chamber of a medium-voltage switch disconnector

 #33
20150170858
2015-06-18

Gas circuit breaker

 #34
20140367361
2014-12-18

Gas circuit breaker

 #35
20140061161
2014-03-06

CONDUCTION BREAKING DEVICE

 #36
20120261383
2012-10-18

CIRCUIT BREAKER ARRANGEMENT

 #37
20120037599
2012-02-16

Circuit breaker

 #38
20110297647
2011-12-08

Switchgear assembly with a contact gap

 #39
20100219161
2010-09-02

Gas-insulated high-voltage circuit breaker with a relief duct which is controlled by an overflow valve

 #40
20100096363
2010-04-22

SWITCHING CHAMBER FOR A HIGH-VOLTAGE BREAKER, AND A HIGH-VOLTAGE BREAKER

 #41
20090134123
2009-05-28

High voltage circuit breaker with improved gas exhaust

 #42
20090107957
2009-04-30

High-voltage circuit breaker

 #43
20080135522
2008-06-12

High-voltage switch with a metal container filled with insulating gas

 #44
20080006609
2008-01-10

Generator circuit breaker with improved switching capacity

 #45
20070068904
2007-03-29

High-voltage circuit breaker with improved circuit breaker rating

 #46
16103325
2019-08-13

Electric arc extinguishing apparatus for a molded case circuit breaker

 #47
15475424
2018-07-17

Switching chamber for a gas-insulated circuit breaker comprising an optimized thermal channel