H01H33/16 - CPC Classification Index

ClassID:

202866 ⎘

H01H33/16 - CPC Classification

Classification description:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Details; Means for extinguishing or preventing arc between current-carrying parts Impedances connected with contacts

Sub-classes:

H01H33/161 » {Variable impedances} 20
H01H33/164 » {the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode} 2
H01H33/165 » {Details concerning the impedances } 5
H01H33/166 » {the impedance being inserted only while closing the switch} 8
H01H33/167 » {the impedance being inserted only while opening the switch} 8
H01H33/168 » {the impedance being inserted both while closing and while opening the switch} 7

Recent Application in this class:

20260038755

2026-02-05

RC ARRANGEMENTS FOR SWITCHING INDUCTIVE CURRENTS, USING HIGH-VOLTAGE VACUUM SWITCHES

20250046547

2025-02-06

SWITCHING DEVICE

20230105868

2023-04-06

High-voltage circuit disconnection

20220208490

2022-06-30

Breaking device

20220005657

2022-01-06

High frequency transients suppression for hvdisconnectors with sliding resistor

20210358702

2021-11-18

Direct-current circuit breaker

20210183599

2021-06-17

Arrangement and method for switching high voltages having a switching device and precisely one resistor stack

20190348237

2019-11-14

ARC SUPPRESSION DEVICE

20190051474

2019-02-14

Voltage dividing capacitor

#10

20180358189

2018-12-13

Power switching control device

#11

20170301498

2017-10-19

Circuit breaker having closing resistor

#12

20170126144

2017-05-04

Commutating circuit

#13

20160254109

2016-09-01

Commutating switch with blocking semiconductor

#14

20160042895

2016-02-11

Supporting structure of closing resistor unit for circuit breaker

#15

20150122780

2015-05-07

Commutating circuit breaker

#16

20140349500

2014-11-27

Gelatinous dielectric material for high voltage connector

#17

20140299346

2014-10-09

Utility power-line-jumper apparatus with external venting

#18

20140202836

2014-07-24

Portable load-breaking and pickup jumper apparatus

#19

20140085028

2014-03-27

Tap changer and vacuum interrupter for such a tap changer

#20

20140061162

2014-03-06

Contact alignment structure for high-voltage dead tank circuit breakers

#21

20140027257

2014-01-30

Tap changer with vacuum interrupters

#22

20130256274

2013-10-03

Commutating circuit breaker

#23

20130220782

2013-08-29

Tap changer and vacuum switching tube for such a tap changer

#24

20130075125

2013-03-28

Utility power-line-jumper apparatus with external venting

#25

20120249277

2012-10-04

Tap changer with a polarity switch for a variable transformer

#26

20120199558

2012-08-09

Commutating circuit breaker

#27

20120187089

2012-07-26

HIGH-VOLTAGE, SUPER-VOLTAGE AND HEAVY CURRENT BREAKER

#28

20110084048

2011-04-14

Circuit breaker with parallel rated current paths

#29

20100219163

2010-09-02

High-voltage circuit breaker having a switch for connection of a closing resistor

#30

20100165532

2010-07-01

Fault current limiter

#31

20090201617

2009-08-13

CIRCUIT BREAKER

#32

20090014418

2009-01-15

Electrical Switching Device with Potential Control

#33

20080203062

2008-08-28

Switchgear

#34

20080093344

2008-04-24

Electrical switchgear

#35

20070262054

2007-11-15

Switchgear

#36

15653923

2018-01-30

Motorized high voltage in-line disconnect switch with hand-held communication system to prevent unwanted operation