ClassID:

202969

H01H33/7076 - 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 the use of special materials

Recent Application in this class:
#1
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

#2
20200179864
2020-06-11

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

#3
20190244776
2019-08-08

Contact piece for a high-voltage circuit breaker and method for producing same

#4
20190214207
2019-07-11

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

#5
20190051476
2019-02-14

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

#6
20180204694
2018-07-19

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

#7
20150357137
2015-12-10

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

#8
20150228427
2015-08-13

CIRCUIT BREAKER OF GAS-INSULATED SWITCHGEAR WITH FIXED PART OF DECREASED LENGTH

#9
20150179364
2015-06-25

Circuit breaker

#10
20150069018
2015-03-12

Circuit breaker with compactable contact structure

#11
20130161289
2013-06-27

Gas circuit breaker

#12
20100326959
2010-12-30

Gas insulated switchgear and method for detecting arc damage in a gas insulated switchgear part

#13
20100224594
2010-09-09

Gas-insulated circuit breaker

#14
20080217297
2008-09-11

Gas insulated switchgear and method for detecting arc damage in a gas insulated switchgear part

#15
20080135523
2008-06-12

Self-blast circuit breaker with control body

#16
20080006608
2008-01-10

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

#17
20070278186
2007-12-06

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

#18
20050104598
2005-05-19

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