Patents-Review.com
ClassID:

202962 ⎘

H01H33/7023 - 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 characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle

Sub-classes:
Recent Application in this class:
#1
20250149276
2025-05-08

SWITCHING DEVICE WITH AN ISOLATING OR EARTHING FUNCTION

 #2
20230386771
2023-11-30

CIRCUIT BREAKER COMPRISING AN IMPROVED GAS FLOW MANAGEMENT

 #3
20230290593
2023-09-14

AN ELECTRIC CURRENT KNIFE SWITCH

 #4
20230162932
2023-05-25

Electric arc-blast nozzle with improved mechanical strength and a circuit breaker including such a nozzle

 #5
20220319787
2022-10-06

Gas circuit breaker

 #6
20210398762
2021-12-23

Electric arc-blast nozzle made of a material comprising micro-capsules of liquid (CF3)2CFCN and a circuit breaker including such a nozzle

 #7
20210350990
2021-11-11

Gas circuit breaker

 #8
20210319966
2021-10-14

Gas-insulated switch

 #9
20210217568
2021-07-15

Gas circuit breaker

 #10
20210082644
2021-03-18

Gas Circuit Breaker

 #11
20200395180
2020-12-17

Gas-insulated high or medium voltage circuit breaker

 #12
20200357586
2020-11-12

Gas circuit breaker

 #13
20200279704
2020-09-03

Gas-blast circuit breaker

 #14
20200273647
2020-08-27

Gas circuit breaker

 #15
20190362917
2019-11-28

Electrical switching device

 #16
20190287746
2019-09-19

Gas circuit breaker

 #17
20190214207
2019-07-11

Electric arc-blast nozzle and a circuit breaker including such a nozzle

 #18
20190172668
2019-06-06

Gas-insulated high-voltage switching device with improved main nozzle

 #19
20190115174
2019-04-18

Gas-insulated low- or medium-voltage load break switch

 #20
20190088430
2019-03-21

Gas circuit breaker

 #21
20190035579
2019-01-31

Electrical circuit breaker device with particle trap

 #22
20180240626
2018-08-23

Switchgear with a gas-tight insulating space

 #23
20180204694
2018-07-19

Electric arc-blast nozzle and a circuit breaker including such a nozzle

 #24
20180012715
2018-01-11

Circuit breaker equipped with an extensible exhaust cover

 #25
20170084412
2017-03-23

High voltage puffer breaker and a circuit breaker unit comprising such a puffer breaker

 #26
20160211097
2016-07-21

Gas circuit breaker

 #27
20160133407
2016-05-12

Gas circuit breaker

 #28
20160064170
2016-03-03

Arc extinguishing contact assembly for a circuit breaker assembly

 #29
20160005559
2016-01-07

Gas circuit breaker

 #30
20150371797
2015-12-24

Switching arrangement

 #31
20150357137
2015-12-10

Arc-extinguishing insulation material molded product and gas circuit breaker including the same

 #32
20150194280
2015-07-09

Gas circuit breaker

 #33
20150162149
2015-06-11

Switching arrangement

 #34
20150021297
2015-01-22

Circuit breaker

 #35
20150014280
2015-01-15

Switchgear arrangement

 #36
20150014131
2015-01-15

Electrical switching device

 #37
20140353279
2014-12-04

Gas-insulated circuit breaker with nominal contact shielding arrangement

 #38
20140190938
2014-07-10

PUFFER TYPE GAS CIRCUIT BREAKER

 #39
20130161289
2013-06-27

Gas circuit breaker

 #40
20110120975
2011-05-26

Gas-insulated high-voltage switch

 #41
20100193474
2010-08-05

Limited flash-over electric power switch

 #42
20090314745
2009-12-24

Switch disconnector

 #43
20090261070
2009-10-22

Insulating nozzle, comprising a first material and a second material

 #44
20080314873
2008-12-25

SWITCHING CHAMBER FOR A HIGH-VOLTAGE SWITCH HAVING A HEATING VOLUME FOR HOLDING QUENCHING GAS PRODUCED BY SWITCHING ARCS

 #45
20080135523
2008-06-12

Self-blast circuit breaker with control body

 #46
20080047813
2008-02-28

Rack gear for electrical circuit breaker

 #47
20080006608
2008-01-10

Heavy-duty circuit breaker with erosion-resistant short-circuit current routing

 #48
20070295693
2007-12-27

Nozzle fastening for electrical switching apparatus

 #49
20070278186
2007-12-06

Nozzle for a gas-insulated switching device and related switching device

 #50
20070205182
2007-09-06

Switching chamber and heavy-duty circuit breaker

 #51
20070181536
2007-08-09

Heavy-duty circuit breaker with movement reversal

 #52
20060148292
2006-07-06

Separable insulated connector and method

 #53
20050104598
2005-05-19

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