ClassID:

202912

H01H2033/566 - 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 Avoiding the use of SF

Recent Application in this class:
#1
20260112867
2026-04-23

GAS INSULATED ELECTRIC APPARATUS

#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
20240372340
2024-11-07

ELECTRIC APPARATUS FOR THE GENERATION, THE TRANSMISSION AND/OR THE DISTRIBUTION OF ELECTRICAL ENERGY

#7
20240297005
2024-09-05

GAS CIRCUIT BREAKER

#8
20240194372
2024-06-13

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

#9
20230368989
2023-11-16

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

#10
20230326693
2023-10-12

ELECTRICAL APPARATUS, FILING APPARATUS AND STORAGE APPARATUS

#11
20230223224
2023-07-13

Gas-insulated electrical apparatus comprising carbon dioxide, heptafluoroisobutyronitrile and a high content of oxygen

#12
20230118886
2023-04-20

Electrical switching arrangement

#13
20220367134
2022-11-17

Dielectric-insulation or arc-extinction fluid

#14
20220293367
2022-09-15

Switch-fuse module

#15
20210175030
2021-06-10

Gas circuit breaker

#16
20200388412
2020-12-10

Perfluorinated 1-alkoxypropenes in dielectric fluids and electrical devices

#17
20200365353
2020-11-19

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

#18
20200179864
2020-06-11

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

#19
20200126742
2020-04-23

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

#20
20190304719
2019-10-03

Switching device with dual conductive housing

#21
20190245330
2019-08-08

Distribution of a dielectric gaseous mixture to a high-voltage apparatus

#22
20190206644
2019-07-04

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

#23
20190156968
2019-05-23

Medium-voltage or high-voltage electrical device having low-thickness hybrid insulation

#24
20190115174
2019-04-18

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

#25
20190051476
2019-02-14

Apparatus for the generation, transmission, distribution and/or the usage of electrical energy, in particular electrical switching device

#26
20180358148
2018-12-13

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

#27
20180315520
2018-11-01

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

#28
20180295675
2018-10-11

Insulation fluid heating apparatus and method

#29
20180247779
2018-08-30

Use of hexafluorobutenes for isolating or extinguishing electric arcs

#30
20180197656
2018-07-12

Gas-insulated electrical apparatus filled with a dielectric gas

#31
20180040391
2018-02-08

GAS-INSULATED MEDIUM-OR HIGH-VOLTAGE ELECTRICAL APPARATUS INCLUDING HEPTAFLUOROISOBUTYRONITRILE AND TETRAFLUOROMETHANE

#32
20170317475
2017-11-02

Method for determining a property of a fluid component of a fluid present in a compartment of an electrical apparatus

#33
20160261095
2016-09-08

Water and contamination absorber for C02 insulated electrical apparatus for the generation, transmission, distribution and/or usage of electrical energy

#34
20160141843
2016-05-19

Subsea switchgear

#35
20150228375
2015-08-13

Medium- or high-voltage electrical appliance having a low environmental impact and hybrid insulation

#36
20150214701
2015-07-30

Apparatus containing a dielectric insulation gas comprising an organofluorine compound

#37
20140346145
2014-11-27

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

#38
20140321031
2014-10-30

Method for operating an electrical apparatus

#39
20140306718
2014-10-16

Method and device for determining an operating parameter of a fluid insulated electrical apparatus

#40
20140247538
2014-09-04

Gas insulated electrical equipment

#41
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

#42
20140144882
2014-05-29

Three phase vacuum interrupter switch for high voltage distribution systems

#43
20140083737
2014-03-27

Electrical apparatus having a gas insulation containing a fluorinated compound

#44
20130292358
2013-11-07

Three-phase, multi-way vacuum interrupter switchgear with internal ground switches

#45
20130098874
2013-04-25

Switch having two sets of contact elements

#46
20130044407
2013-02-21

Solid insulated switchgear

#47
20120145521
2012-06-14

Fluorinated ketones as high-voltage insulating medium

#48
20120132622
2012-05-31

Switch unit and switchgear equipped therewith

#49
20120085735
2012-04-12

Gas insulation apparatus

#50
20110297515
2011-12-08

Power transmission apparatus for high voltage load breaker switch

#51
20110253675
2011-10-20

Three phase vacuum interrupter switch for high voltage distribution systems

#52
20110232939
2011-09-29

COMPOSITIONS CONTAINING SULFUR HEXAFLUORIDE AND USES THEREOF

#53
20110127237
2011-06-02

Gas insulated switchgear

#54
20100326960
2010-12-30

Vacuum interrupter switch for power distribution systems

#55
20100288733
2010-11-18

Vacuum circuit breaker of tank type

#56
20100224594
2010-09-09

Gas-insulated circuit breaker

#57
20100171062
2010-07-08

Compositions containing sulfur hexafluoride and uses thereof

#58
20090109604
2009-04-30

Gas Insulated Switchgear and Gas Circuit Breaker

#59
20090095717
2009-04-16

Azeotrope-like compositions containing sulfur hexafluoride and uses thereof

#60
20070261946
2007-11-15

Solid insulated disconnection switch and solid insulated switchgear using the same

#61
20070221626
2007-09-27

Gas insulated switchgear

#62
20060254890
2006-11-16

Solid insulated disconnection switch

#63
20060186091
2006-08-24

Gas-insulated switchgear tank

#64
20060152890
2006-07-13

Gas-insulated switchgear

#65
20060034037
2006-02-16

Switching installation provided with an electrically insulating barrier

#66
20050247676
2005-11-10

Circuit breaker

#67
20050056617
2005-03-17

Gas-insulated switchgear tank