ClassID:

202907

H01H33/56 - CPC Classification

Classification description:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Details; Cases ; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices Gas reservoirs

Sub-classes:
Recent Application in this class:
#1
20260112557
2026-04-23

CIRCUIT BREAKER

#2
20260038709
2026-02-05

INSULATING GAS USED FOR ELECTRICAL INSULATION OR ARC EXTINGUISHING BY REPLACING SF6 GAS AND ELECTRICAL DEVICE USING SAME

#3
20250385059
2025-12-18

HIGH VOLTAGE CIRCUIT-BREAKER HAVING AN OPTIMIZED CONTACTS DESIGN

#4
20250372963
2025-12-04

SF6 FREE GAS INSULATED DISCONNECTOR WITH FULLY CLOSED ARCING CHAMBER ACTUATED BY ROD MECHANISM

#5
20250372323
2025-12-04

SF6 FREE GAS INSULATED DISCONNECTOR WITH FULLY CLOSED ARCING CHAMBER AND SPRING ACTUATION

#6
20250191860
2025-06-12

GAS-INSULATED SWITCH

#7
20240387125
2024-11-21

GAS-INSULATED HIGH OR MEDIUM VOLTAGE CIRCUIT BREAKER

#8
20240297005
2024-09-05

GAS CIRCUIT BREAKER

#9
20240296999
2024-09-05

Earthing switch

#10
20240194372
2024-06-13

INSULATING GAS USED FOR ELECTRICAL INSULATION OR ARC EXTINGUISHING BY REPLACING SF6 GAS AND ELECTRICAL DEVICE USING SAME

#11
20240170240
2024-05-23

Alternative gas current pause circuit interrupter

#12
20230368989
2023-11-16

HIGH-VOLTAGE DEVICE AND METHOD FOR INCREASING THE DIELECTRIC STRENGTH IN THE HIGH-VOLTAGE DEVICE

#13
20230326693
2023-10-12

ELECTRICAL APPARATUS, FILING APPARATUS AND STORAGE APPARATUS

#14
20230238201
2023-07-27

Vacuum interrupter and vacuum breaker

#15
20230118886
2023-04-20

Electrical switching arrangement

#16
20220384128
2022-12-01

Breaking device

#17
20220319785
2022-10-06

Gas circuit breaker

#18
20220294195
2022-09-15

Switch-fuse module

#19
20220293367
2022-09-15

Switch-fuse module

#20
20220044893
2022-02-10

Circuit breaker enclosure having integrated pass-through

#21
20220026385
2022-01-27

Monitoring of gases produced in an insulating-means circuit

#22
20210193415
2021-06-24

Electrical switching device

#23
20210183600
2021-06-17

Gas circuit breaker

#24
20210175030
2021-06-10

Gas circuit breaker

#25
20210074496
2021-03-11

Gas Circuit Breaker

#26
20210066007
2021-03-04

Circuit interrupter

#27
20200388412
2020-12-10

Perfluorinated 1-alkoxypropenes in dielectric fluids and electrical devices

#28
20200279705
2020-09-03

Gas circuit breaker

#29
20200179864
2020-06-11

Circuit breaker comprising a metal-organic framework material for co adsorption

#30
20200126742
2020-04-23

Gas-insulated load break switch and switchgear comprising a gas-insulated load break switch

#31
20200043685
2020-02-06

Particle extraction system for an interrupter

#32
20190355534
2019-11-21

Mechanical cut-off apparatus for a high-voltage or very high-voltage electric circuit with splitting device

#33
20190295791
2019-09-26

Gas-blast circuit breaker

#34
20190287746
2019-09-19

Gas circuit breaker

#35
20190237281
2019-08-01

Switching device arrangement

#36
20190228935
2019-07-25

Vacuum switch

#37
20190206644
2019-07-04

Gas-insulated low- or medium-voltage switch with swirling device

#38
20190115174
2019-04-18

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

#39
20190088430
2019-03-21

Gas circuit breaker

#40
20190067918
2019-02-28

Device for the generation, transmission, distribution and/or use of electrical energy or component of such a device and gas seal for such a device or component

#41
20190006135
2019-01-03

Gas circuit breaker

#42
20180366924
2018-12-20

Switchgear with modular bus configuration supporting individual and parallel feed arrangements

#43
20180358148
2018-12-13

Method and facility for filling a gas-insulated electrical apparatus comprising a mixture of (CF3)2CFCN and CO2

#44
20180342363
2018-11-29

Gas blast switch comprising an optimized gas storage chamber

#45
20180315520
2018-11-01

Electrical insulation system for medium- and high-voltage electrical switchgear

#46
20180294116
2018-10-11

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

#47
20180233309
2018-08-16

Mechanical cut-off apparatus for a high-voltage or very high-voltage electric circuit with splitting device

#48
20180226214
2018-08-09

Gas Breaker

#49
20180135804
2018-05-17

Service device and method for using a multi-component insulating gas during maintenance of electrical switchgear systems

#50
20180130622
2018-05-10

Gas insulated switchgear with the use of insulating gases or fluids, and method of producing the same

#51
20180013268
2018-01-11

Pressure tank, gas insulated switchgear using same, and pressure tank manufacturing method

#52
20170353016
2017-12-07

Electrical apparatus having a cylindric cover containing an adsorbent

#53
20170316895
2017-11-02

Switching gas cooling and particle trapping system

#54
20170287588
2017-10-05

Apparatus for the generation, distribution and/or usage of electrical energy and component for such an apparatus

#55
20170278654
2017-09-28

Gas circuit breaker

#56
20170263398
2017-09-14

Gas circuit breaker

#57
20170256924
2017-09-07

RC voltage dividers used in common GIS gas compartment

#58
20170250527
2017-08-31

Gas-insulated switching apparatus

#59
20170213673
2017-07-27

REFILL-CONTAINER FOR REPLENISHING AND/OR RECONDITIONING AN INSULATION FLUID CONTAINED IN AN INSULATION SPACE OF AN ELECTRICAL APPARATUS

#60
20170069448
2017-03-09

Gas insulated switchgear

#61
20160329178
2016-11-10

MANUFACTURED PIECE FOR A GAS-INSULATED HIGH-VOLTAGE CIRCUIT BREAKER TANK WITH PARTICLE TRAPS AND TANK CONTAINING SUCH A PIECE

#62
20160294167
2016-10-06

Gas circuit breaker and method for attaching bushing

#63
20160217952
2016-07-28

Exhaust diffuser for a gas-insulated high voltage circuit breaker

#64
20160211097
2016-07-21

Gas circuit breaker

#65
20160204595
2016-07-14

High voltage DC circuit breaker

#66
20160172133
2016-06-16

Circuit breaker

#67
20160005559
2016-01-07

Gas circuit breaker

#68
20150311016
2015-10-29

Integrated particle trap in a tank of a dead tank circuit breaker

#69
20150294819
2015-10-15

Circuit interrupters with air trap regions in fluid reservoirs

#70
20150236485
2015-08-20

Gas-insulated switchgear

#71
20150200060
2015-07-16

Electrical contact device and low-voltage single-pole phase unit incorporating such an electrical contact device

#72
20140247538
2014-09-04

Gas insulated electrical equipment

#73
20140196932
2014-07-17

Use of a mixture comprising a hydrofluoroolefin as a medium-voltage arc-extinguishing and/or insulating gas and medium-voltage electrical device comprising same

#74
20140175341
2014-06-26

Dielectric insulation medium

#75
20140069891
2014-03-13

Gas circuit breaker

#76
20130044407
2013-02-21

Solid insulated switchgear

#77
20120152904
2012-06-21

Encapsulated switchgear

#78
20120138575
2012-06-07

Electric circuit breaker and switchgear panel with circuit breaker

#79
20110309715
2011-12-22

Dielectric insulation medium

#80
20110290762
2011-12-01

Low-voltage circuit breaker with sealed interchangeable poles

#81
20110180514
2011-07-28

Gas insulated switchgear

#82
20110127237
2011-06-02

Gas insulated switchgear

#83
20110042354
2011-02-24

Magnet interrupter for high voltage switching

#84
20090289038
2009-11-26

Subsea arrangement

#85
20080246487
2008-10-09

Electric switching device

#86
20080245642
2008-10-09

Low-voltage circuit breaker with sealed interchangeable poles

#87
20070221626
2007-09-27

Gas insulated switchgear

#88
20070080144
2007-04-12

Tri-boss mounting device for high-voltage circuit breakers

#89
20050189324
2005-09-01

High voltage device with a particle trap

#90
15475424
2018-07-17

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

#91
15411462
2017-10-24

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