ClassID:

202904

H01H33/53 - 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

Sub-classes:
Recent Application in this class:
#1
20260128244
2026-05-07

DUAL ACTUATION FAST MECHANICAL SWITCH

#2
20260120984
2026-04-30

SWITCH WITH MAGNETIC BLOW-OUT OF ELECTRIC ARC, AND MANUFACTURING METHOD THEREOF

#3
20250201499
2025-06-19

MULTI-CONTACT MINIATURE CIRCUIT BREAKER WITH REDUCED ARCING

#4
20250149276
2025-05-08

SWITCHING DEVICE WITH AN ISOLATING OR EARTHING FUNCTION

#5
20250125102
2025-04-17

ELBOW CHANNEL FOR A CUT-OFF CHAMBER OF A SWITCH

#6
20250069830
2025-02-27

MOLDED CASE CIRCUIT BREAKER

#7
20250006441
2025-01-02

FAST CIRCUIT CUTOFF DEVICE

#8
20240387123
2024-11-21

TRANSVERSE VACUUM CIRCUIT BREAKER

#9
20240363297
2024-10-31

SUB-CONTACT UNIT AND DIRECT CURRENT RELAY INCLUDING SAME

#10
20240266127
2024-08-08

LOW-VOLTAGE SWITCH POLE

#11
20240234057
2024-07-11

VACUUM CIRCUIT BREAKER

#12
20240194426
2024-06-13

HIGH VOLTAGE DIRECT CURRENT RELAY WITH LOW POWER CONSUMPTION

#13
20240186083
2024-06-06

ELECTRIC CIRCUIT BREAKER DEVICE

#14
20240079191
2024-03-07

LOW VOLTAGE SWITCH POLE

#15
20230386777
2023-11-30

ELECTRIC CIRCUIT CUT-OFF DEVICE

#16
20230290593
2023-09-14

AN ELECTRIC CURRENT KNIFE SWITCH

#17
20230238200
2023-07-27

SWITCH UNIT AND SWITCHING DEVICE

#18
20230110054
2023-04-13

Bi-directional DC circuit breaker with smart electromagnetic arc blow

#19
20230005683
2023-01-05

Arc path formation unit and direct current relay including same

#20
20220415593
2022-12-29

ARC path forming unit and direct current relay including same

#21
20220293366
2022-09-15

Dividing a heating volume of a power circuit

#22
20220277912
2022-09-01

Arc path forming part and direct-current relay comprising same

#23
20220208488
2022-06-30

Arc-extinguishing unit structure for direct current air circuit breaker

#24
20220172913
2022-06-02

Double-pole circuit breaker and distribution box

#25
20220165523
2022-05-26

System for controlling and cooling gas of circuit breaker and method thereof

#26
20220165522
2022-05-26

Gas circuit breaker system and method thereof

#27
20220102974
2022-03-31

Transformer for underground radial loop network

#28
20220102973
2022-03-31

Method for restoring power in an underground radial loop network

#29
20220102961
2022-03-31

Loop restoration switching device assembly including multiple switches with common control

#30
20220102960
2022-03-31

Loop restoration switching device

#31
20220102095
2022-03-31

UNDERGROUND RADIAL LOOP RESTORATION DEVICE AND METHOD

#32
20220102094
2022-03-31

Stackable block with reduced height for a control unit

#33
20220044891
2022-02-10

Contact unit for a switching device and switching device

#34
20220013313
2022-01-13

Vacuum circuit breaker

#35
20210383991
2021-12-09

Switching device or contactor with high arc extinguishing capabilities

#36
20210375567
2021-12-02

Gas-insulated high or medium voltage circuit breaker

#37
20210358701
2021-11-18

Electrical switching system

#38
20210288475
2021-09-16

Front connected switchgear assembly having an integrated arc flash venting system

#39
20210265122
2021-08-26

Nozzle for high or medium voltage circuit breaker

#40
20210257173
2021-08-19

Switching device with at least two intercommunicating extinguishing areas

#41
20210257172
2021-08-19

Electric circuit breaker device

#42
20210249208
2021-08-12

Low-voltage circuit breaker

#43
20210183599
2021-06-17

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

#44
20210159034
2021-05-27

Switch

#45
20210050166
2021-02-18

Electrical interruption switching element with a tubular separating element with varying wall thickness

#46
20200411263
2020-12-31

Electric switching unit comprising a filtering device

#47
20200411260
2020-12-31

Distribution grounding switch to support distributed energy resources

#48
20200411259
2020-12-31

CIRCUIT BREAKER FOR ISOLATING AN ELECTRICAL CIRCUIT

#49
20200219686
2020-07-09

Trigger element of a pressure trigger, pressure trigger with a trigger element of this kind and electric switch

#50
20200091711
2020-03-19

Arc flash mitigation switch for quenching external arc faults in low voltage switchgear

#51
20200036170
2020-01-30

Mechanical arrangement of a subsea switchgear

#52
20190379184
2019-12-12

Arc ventilation system of multi stage distributing board

#53
20190372339
2019-12-05

Arc quenching device with racking drive

#54
20190348236
2019-11-14

Molded case circuit breaker

#55
20190304719
2019-10-03

Switching device with dual conductive housing

#56
20190244775
2019-08-08

High voltage, cross-field, gas switch and method of operation

#57
20190157028
2019-05-23

Low-voltage multipolar circuit breaker

#58
20190043679
2019-02-07

Pressure trip unit for an electrical switch and electrical switch with such a pressure trip unit

#59
20190035580
2019-01-31

Extinguishing gas filtering device and electric current switchgear comprising such a filtering device

#60
20190018064
2019-01-17

RFID status monitor for high voltage and remote electric power systems

#61
20180374663
2018-12-27

Electrical contact switch device

#62
20180277323
2018-09-27

Gas circuit breaker

#63
20180218860
2018-08-02

Installation switching apparatus having an exhaust air duct and a set screw

#64
20180166236
2018-06-14

Switching system

#65
20180158630
2018-06-07

Switching device and an electric power distribution switchgear

#66
20180158628
2018-06-07

Terminal assembly for vacuum contactor switch

#67
20180122602
2018-05-03

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

#68
20180047531
2018-02-15

Circuit breaker housing and method of assembling

#69
20180019083
2018-01-18

Medium or high voltage switch bushing

#70
20180012715
2018-01-11

Circuit breaker equipped with an extensible exhaust cover

#71
20170365987
2017-12-21

Arc fault resistant electric equipment

#72
20170271110
2017-09-21

Arc eliminator with earth contact

#73
20170084412
2017-03-23

High voltage puffer breaker and a circuit breaker unit comprising such a puffer breaker

#74
20160358735
2016-12-08

Actuator override mechanism for subsea circuit breaker

#75
20160285259
2016-09-29

Arc flash mitigation switch for quenching external arc faults in low voltage switchgear

#76
20160233038
2016-08-11

Contact module for circuit breaker

#77
20160126037
2016-05-05

Medium or high voltage switch bushing

#78
20160042896
2016-02-11

System and method for ventilating and isolating electrical equipment

#79
20160042892
2016-02-11

Safety system for high voltage network grounding switch

#80
20160035518
2016-02-04

Door mounted vent flap structure for arc-resistant compartment

#81
20150380189
2015-12-31

Breaker

#82
20150311017
2015-10-29

Tank mounting structure for dead tank circuit breaker

#83
20150311016
2015-10-29

Integrated particle trap in a tank of a dead tank circuit breaker

#84
20150303662
2015-10-22

Transmission station for feeding in electrical energy and wind farm comprising such transmission station

#85
20150303661
2015-10-22

ARC fault path for mitigation of ARC fault in power supply enclosure

#86
20150262773
2015-09-17

Gas insulated electrical equipment

#87
20150243460
2015-08-27

Particulate and pressure redirection shield for an electric circuit breaker

#88
20150177279
2015-06-25

Electromagnetic wave identification method and identification device

#89
20150129555
2015-05-14

Molded circuit breaker case with exhaust guide and cover

#90
20150129553
2015-05-14

Molded case circuit breaker

#91
20150129552
2015-05-14

Circuit breaker position adjustment system

#92
20150027987
2015-01-29

Safety system for high voltage network grounding switch

#93
20140367360
2014-12-18

Wear-resistant material, puffer cylinder, and puffer-type gas circuit breaker

#94
20140339195
2014-11-20

Vacuum interrupter with transition areas between metal housing parts and ceramic housing parts covered by insulating material

#95
20140332502
2014-11-13

Circuit breaker comprising ventilation channels for efficient heat dissipation

#96
20140251959
2014-09-11

Arc shield

#97
20140175062
2014-06-26

Electrical switching device

#98
20140166623
2014-06-19

Muffler for enhanced arc protection

#99
20140110378
2014-04-24

GAS CIRCUIT BREAKER MULTI-PIECE TANK

#100
20140110232
2014-04-24

Arc-resistant switchgear enclosure with latch for vent flap

#101
20140061163
2014-03-06

Protective door assembly for electrical devices

#102
20140021170
2014-01-23

Circuit breaker

#103
20130153539
2013-06-20

FIBER REINFORCED INSULATION MATERIAL FOR EMBEDDED VACUUM INTERRUPTERS

#104
20130126480
2013-05-23

Circuit-breaker pole part and method for producing such a pole part

#105
20120292291
2012-11-22

Arc chamber for a circuit breaker and circuit breaker having an arc chamber

#106
20120014041
2012-01-19

MEDIUM VOLTAGE CIRCUIT-BREAKER FOR OUTDOOR USE

#107
20110297515
2011-12-08

Power transmission apparatus for high voltage load breaker switch

#108
20110133869
2011-06-09

DYNAMIC SEALING DEVICE FOR MIDDLE- OR HIGH-VOLTAGE POWER SWITCH EQUIPMENT

#109
20100326960
2010-12-30

Vacuum interrupter switch for power distribution systems

#110
20090194403
2009-08-06

Heavy-duty circuit breaker with a housing

#111
20070295694
2007-12-27

Electrical device containing insulating gas under pressure and including a composite insulator provided with a window for observing contacts

#112
20060279385
2006-12-14

Gas-blast circuit breaker

#113
20060011589
2006-01-19

Production of a circuit-breaker pole, insulated by a solid material

#114
16015471
2019-10-08

Snapped in rotating arc housing assembly for safety switch

#115
15427555
2018-05-22

Extractor of a bushing conductor from a bushing insulator for a dead tank circuit breaker

#116
15395825
2018-01-02

Bottom venting circuit breaker

#117
15395767
2018-05-08

Circuit breaker with integrated U-Link

#118
14612664
2016-07-05

Extruded bushing terminal radiator