H01H33/021 - CPC Classification Index

ClassID:

202842 ⎘

H01H33/021 - CPC Classification

Classification description:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Details Use of solid insulating compounds resistant to the contacting fluid dielectrics and their decomposition products, e.g. to SF

Recent Application in this class:

20260112551

2026-04-23

DISCONNECTOR CONTACT SYSTEM WITH CONTROLLED DISCHARGE

20240258049

2024-08-01

SF6 FREE GAS INSULATED DISCONNECTOR WITH LIMITED ARCING VOLUME

20230368989

2023-11-16

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

20210012986

2021-01-14

Electric interruption switch comprising reactive coating in the reaction chamber

20190248973

2019-08-15

Process for treating silica-filled polyamide by impregnation in supercritical CO2

20180240626

2018-08-23

Switchgear with a gas-tight insulating space

20180158629

2018-06-07

Air circuit breaker

20180122602

2018-05-03

Liner arrangement and a circuit breaker with a liner arrangement and method for protecting an insulator body

20170256373

2017-09-07

Internal tulip sleeve of the female arcing contact of a high voltage electric circuit breaker

#10

20160307716

2016-10-20

Electrical switching device

#11

20150053647

2015-02-26

Gas circuit breaker

#12

20130044407

2013-02-21

Solid insulated switchgear

#13

20110315428

2011-12-29

Gas insulated apparatus

#14

20110164387

2011-07-07

Switch cabinet connection and combination apparatus and method of manufacturing the same

#15

20080245644

2008-10-09

Insulating part for a high voltage switch of a metal enclosed circuit breaker system