H01H33/22 - CPC Classification Index

#1

20240379314

2024-11-14

Application of Chambered Oil Fuse

#2

20240372340

2024-11-07

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

#3

20240347293

2024-10-17

SWITCHING APPARATUS AND METHOD FOR DELIVERY OF HIGH CURRENTS AND HIGH VOLTAGES

#4

20230420203

2023-12-28

ELECTRICAL SWITCHING DEVICE

#5

20230326693

2023-10-12

ELECTRICAL APPARATUS, FILING APPARATUS AND STORAGE APPARATUS

#6

20230223224

2023-07-13

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

#7

20230223168

2023-07-13

ELECTRICAL INSULATION SYSTEM WITH LOW ENVIRONMENTAL IMPACT FOR MEDIUM- AND HIGH-VOLTAGE ELECTRICAL SWITCHGEAR

#8

20220367134

2022-11-17

Dielectric-insulation or arc-extinction fluid

#9

20220181108

2022-06-09

Switching device for fast disconnection of short-circuit currents

#10

20210327665

2021-10-21

Device for interrupting non-short circuit currents only, in particular disconnector or earthing switch

#11

20210193416

2021-06-24

Switch device

#12

20210151269

2021-05-20

Switching device

#13

20200365353

2020-11-19

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

#14

20200357587

2020-11-12

Insulating molded body and gas circuit breaker

#15

20200343063

2020-10-29

Liquid arc extinguish chamber for direct current breaking, direct current breaker and method thereof

#16

20200294742

2020-09-17

Insulating medium for an electric energy transmission device

#17

20200273648

2020-08-27

Electrical interruption switching element with a tubular or rod-shaped compression area with a varying cross-sectional diameter

#18

20200185171

2020-06-11

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

#19

20200161064

2020-05-21

Device for interrupting non-short circuit currents only, in particular disconnector or earthing switch

#20

20200126742

2020-04-23

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

#21

20190304719

2019-10-03

Switching device with dual conductive housing

#22

20190245330

2019-08-08

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

#23

20190156968

2019-05-23

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

#24

20190070447

2019-03-07

AZEOTROPIC AND AZEOTROPE-LIKE COMPOSITIONS OF Z-1233zd

#25

20190051476

2019-02-14

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

#26

20190027268

2019-01-24

Use of a linear octafluorobutene as a dielectric compound in an environmentally safe dielectric-insulation or arc-extinction fluid

#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

20180240626

2018-08-23

Switchgear with a gas-tight insulating space

#31

20180204694

2018-07-19

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

#32

20180197656

2018-07-12

Gas-insulated electrical apparatus filled with a dielectric gas

#33

20180158630

2018-06-07

Switching device and an electric power distribution switchgear

#34

20180075990

2018-03-15

Circuit breaker system with heating radiator and particle trap

#35

20180040442

2018-02-08

Device for interrupting non-short circuit currents only, in particular disconnector or earthing switch

#36

20180040391

2018-02-08

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

#37

20160351364

2016-12-01

Conduction breaking device

#38

20160307716

2016-10-20

Electrical switching device

#39

20160261095

2016-09-08

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

#40

20160254109

2016-09-01

Commutating switch with blocking semiconductor

#41

20160254108

2016-09-01

DIELECTRIC LOADED FLUIDS FOR HIGH VOLTAGE SWITCHING

#42

20160155586

2016-06-02

Arc extinguishing contact assembly for a circuit breaker assembly

#43

20150357137

2015-12-10

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

#44

20150228375

2015-08-13

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

#45

20150122780

2015-05-07

Commutating circuit breaker

#46

20150027986

2015-01-29

Flexible dielectric material for high voltage switch

#47

20150021297

2015-01-22

Circuit breaker

#48

20140349500

2014-11-27

Gelatinous dielectric material for high voltage connector

#49

20140346145

2014-11-27

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

#50

20140291292

2014-10-02

Circuit breaker with fluid injection

#51

20140291291

2014-10-02

Circuit breaker with fluid injection

#52

20140233159

2014-08-21

Mixture of hydrofluoroolefin and fluoroketone for use as an insulation and/or ARC extinguishing medium and a gas insulated medium-voltage electrical device comprising same

#53

20130277334

2013-10-24

Dielectric insulation medium

#54

20130220977

2013-08-29

ELECTRICAL CONTACT ARRANGEMENT FOR VACUUM INTERRUPTER ARRANGEMENT

#55

20130098874

2013-04-25

Switch having two sets of contact elements

#56

20130062314

2013-03-14

Dielectric loaded fluids for high voltage switching

#57

20120199558

2012-08-09

Commutating circuit breaker

#58

20120085735

2012-04-12

Gas insulation apparatus

#59

20120033612

2012-02-09

Methods and apparatus for reducing data transmission overhead

#60

20110127237

2011-06-02

Gas insulated switchgear

#61

20090294406

2009-12-03

Medium-voltage or high voltage electrical switchgear

#62

20060186091

2006-08-24

Gas-insulated switchgear tank

#63

20050056617

2005-03-17

Gas-insulated switchgear tank