ClassID:

202939

H01H33/664 - CPC Classification

Classification description:

High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid; Vacuum switches Contacts; Arc-extinguishing means, e.g. arcing rings

Sub-classes:
Recent Application in this class:
#1
20260148914
2026-05-28

Vacuum Circuit Breaker and Heat Transfer Assembly Therefor

#2
20260031296
2026-01-29

SOLID-STATE HYBRID SWITCHGEAR AND CONTROL METHOD THEREFOR

#3
20250372324
2025-12-04

MEDIUM VOLTAGE SWITCHING APPARATUS

#4
20250364791
2025-11-27

VACUUM BOTTLE HOUSING MOLD

#5
20250246881
2025-07-31

VACUUM BOTTLE HOUSING

#6
20250226165
2025-07-10

SYSTEM AND METHOD FOR OPERATING AN ELECTRICAL SWITCH

#7
20250157761
2025-05-15

VACUUM INTERRUPTER

#8
20250112012
2025-04-03

A CONTACT ASSEMBLY

#9
20250062090
2025-02-20

Fast-Acting Mechanical Switch and Its Operating Method

#10
20250055263
2025-02-13

Vacuum break switch mass

#11
20250046550
2025-02-06

VACUUM SWITCH DEVICE AND METHOD FOR PRODUCING A VACUUM SWITCH DEVICE

#12
20250037949
2025-01-30

VACUUM INTERRUPTER, VACUUM CIRCUIT BREAKER, AND VACUUM CONTACTOR

#13
20250029800
2025-01-23

VACUUM INTERRUPTER

#14
20240355563
2024-10-24

SWITCHING DEVICE FOR A MEDIUM-VOLTAGE ELECTRICAL CIRCUIT

#15
20240312741
2024-09-19

High-flow current capacity contact and vacuum interrupter applied therefor

#16
20240258049
2024-08-01

SF6 FREE GAS INSULATED DISCONNECTOR WITH LIMITED ARCING VOLUME

#17
20240234059
2024-07-11

VACUUM INTERRUPTER

#18
20240234058
2024-07-11

LIQUID-COOLING RADIATING PIPE AND VACUUM INTERRUPTER WITH BUILT-IN LIQUID-COOLING RADIATING PIPE

#19
20240222944
2024-07-04

Vacuum break switch shock absorber

#20
20240222052
2024-07-04

System and method for operating an electrical switch

#21
20240186087
2024-06-06

Vacuum switching device for a circuit having a main current path and an auxiliary current path

#22
20240153725
2024-05-09

SYSTEM AND METHOD FOR POINT ON WAVE CLOSING OF A VACUUM INTERRUPTER

#23
20240136131
2024-04-25

LIQUID-COOLING RADIATING PIPE AND VACUUM INTERRUPTER WITH BUILT-IN LIQUID-COOLING RADIATING PIPE

#24
20240071699
2024-02-29

DEVICE, SYSTEM, AND METHOD FOR HIGH VOLTAGE SWITCH

#25
20240047163
2024-02-08

INTERRUPTER AND AIR CIRCUIT BREAKER COMPRISING SAME

#26
20240047158
2024-02-08

CIRCUIT BREAKER

#27
20230402239
2023-12-14

CAPACITOR HARVESTER

#28
20230368995
2023-11-16

MEDIUM VOLTAGE SWITCHING APPARATUS

#29
20230368994
2023-11-16

METHOD FOR ASSEMBLING A SWITCHING APPARATUS FOR MEDIUM VOLTAGE ELECTRIC SYSTEMS

#30
20230368993
2023-11-16

MEDIUM VOLTAGE SWITCHING APPARATUS

#31
20230360871
2023-11-09

COMPACT VACUUM INTERRUPTER

#32
20230343529
2023-10-26

Electric power interrupter and method thereof

#33
20230282431
2023-09-07

SHORT-CIRCUIT CURRENT LIMITER

#34
20230260725
2023-08-17

Vacuum interrupter

#35
20230238202
2023-07-27

Insulator with asymmetric sheds

#36
20230230785
2023-07-20

Load Break Switch

#37
20230197378
2023-06-22

Induction-controlled switch having a vacuum bulb for reducing vibrations

#38
20230154706
2023-05-18

Toroidal encapsulation for high voltage vacuum interrupters

#39
20230145798
2023-05-11

Vacuum circuit breaker

#40
20230141161
2023-05-11

VACUUM INTERRUPTER ANTI-BOUNCE DAMPENER

#41
20230118133
2023-04-20

Vacuum interrupter and vacuum breaker

#42
20230116363
2023-04-13

Insulated drive vacuum interrupter

#43
20230027571
2023-01-26

Vacuum interrupter

#44
20230017027
2023-01-19

Vacuum circuit breaker with weldable copper switch contacts

#45
20220415595
2022-12-29

Vacuum degree detection device with buried electrodes in vacuum interrupter and method thereof

#46
20220406541
2022-12-22

Breaking device for a medium voltage electrical circuit

#47
20220384129
2022-12-01

Switching device for an electrical apparatus

#48
20220317188
2022-10-06

Contact monitoring device for vacuum circuit breaker and vacuum circuit breaker having same

#49
20220293368
2022-09-15

Circuit breaker

#50
20220270837
2022-08-25

Vacuum interrupter with double live shield

#51
20220262584
2022-08-18

Switch

#52
20220254577
2022-08-11

Electrical contact and vacuum switch tube comprising electrical contact

#53
20220246376
2022-08-04

Bypass switch

#54
20220223361
2022-07-14

Medium voltage switching apparatus

#55
20220206070
2022-06-30

Contact point monitoring device for vacuum circuit breaker, and correction method performed through same

#56
20220206069
2022-06-30

Contact monitoring device for vacuum circuit breaker and vacuum circuit breaker comprising same

#57
20220148829
2022-05-12

Motion sensing device for vacuum circuit breaker and vacuum circuit breaker comprising same

#58
20220148823
2022-05-12

Operating mechanism for operating at least one contact

#59
20220115197
2022-04-14

Contact point monitoring device for vacuum circuit breaker, and vacuum circuit breaker comprising same

#60
20220115196
2022-04-14

Medium voltage circuit breaker switching pole

#61
20220108854
2022-04-07

Vacuum interrupter

#62
20220108852
2022-04-07

Vacuum circuit breaker

#63
20220102944
2022-03-31

Triggered vacuum gap that controllably sustains a vacuum arc through current zeros

#64
20220102096
2022-03-31

Vacuum interrupter with trap for running cathode tracks

#65
20220013312
2022-01-13

VACUUM LOAD BREAK SWITCH FOR PERFORMING VACUUM MAKING/BREAKING AND ISOLATION OPERATION IN A SINGLE STROKE

#66
20210304988
2021-09-30

Make contact system

#67
20210233727
2021-07-29

Vacuum circuit breaker

#68
20210090831
2021-03-25

Vacuum circuit breaker

#69
20210074494
2021-03-11

Vacuum interrupter

#70
20210074493
2021-03-11

Overpressure-resistant vacuum interrupter tube

#71
20200411260
2020-12-31

Distribution grounding switch to support distributed energy resources

#72
20200365343
2020-11-19

Arrangement and method for driving a movable contact of a vacuum interrupter in a high-voltage circuit breaker

#73
20200350130
2020-11-05

Universal vacuum interrupter for air disconnect switches

#74
20200312593
2020-10-01

Double-contact switch having vacuum switching chambers

#75
20200277688
2020-09-03

Electric contact and vacuum interrupter using same

#76
20200273645
2020-08-27

Control device for vacuum bottle contacts of an electrical switching device

#77
20200258704
2020-08-13

Thomson coil integrated moving contact in vacuum interrupter

#78
20200258703
2020-08-13

Triggered gap switching device

#79
20200243286
2020-07-30

Vacuum switching apparatus and drive mechanism therefor

#80
20200035429
2020-01-30

Vacuum interrupter with radial bellows

#81
20190304720
2019-10-03

Vacuum switching apparatus and electrical contact therefor

#82
20190299285
2019-10-03

Method for manufacturing electrode material

#83
20190252139
2019-08-15

Electrical interruption device

#84
20190244776
2019-08-08

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

#85
20190198271
2019-06-27

Vacuum circuit interrupter with piezoelectric actuator and vacuum circuit breaker incorporating same

#86
20190172665
2019-06-06

Vacuum bottle for electrical switching device

#87
20190096612
2019-03-28

Coupling element for an electrical switching device

#88
20190051475
2019-02-14

Contact member, method for producing the same, and vacuum interrupter

#89
20190043681
2019-02-07

Switching contact of a vacuum interrupter comprising supporting bodies

#90
20190035578
2019-01-31

Vacuum interrupter

#91
20180301304
2018-10-18

Multifunctional capacitive-type sleeve with vacuum arc-extinguishing chamber

#92
20180247780
2018-08-30

Vacuum circuit breaker

#93
20180240612
2018-08-23

Electrode material and method for manufacturing electrode material

#94
20180226213
2018-08-09

Electric power distribution switchgear and method of breaking an electric power current

#95
20180182579
2018-06-28

Vacuum interrupter

#96
20180182573
2018-06-28

Method for manufacturing electrode material and electrode material

#97
20180174771
2018-06-21

Method for producing electrode material and electrode material

#98
20170365426
2017-12-21

Coupling element for an electric switching device

#99
20170352508
2017-12-07

High voltage DC circuit breaker

#100
20170338071
2017-11-23

Medium voltage breaker conductor with an electrically efficient contour

#101
20170301491
2017-10-19

THREE-POSITION VACUUM SWITCH FOR REALIZING EXTERNAL GROUNDING OF LOAD SIDE BY USING CONNECTED BUSBAR

#102
20170294280
2017-10-12

ARRANGEMENT AND A METHOD FOR SWITCHING AN OPEN CONTACT GAP BY A SWITCHING DEVICE

#103
20170287659
2017-10-05

Vacuum interrupter for a vacuum circuit breaker

#104
20170263400
2017-09-14

Composite embedded-pole and operating principles

#105
20170250040
2017-08-31

Circuit closer and circuit closing system

#106
20170221651
2017-08-03

Vacuum switching apparatus, and contact assembly and method of securing an electrical contact to an electrode therefor

#107
20170186574
2017-06-29

Pole part for high pressure environment application

#108
20170069438
2017-03-09

Method for producing electrode material

#109
20170066055
2017-03-09

Electrode material

#110
20170032914
2017-02-02

Vacuum valve

#111
20160369373
2016-12-22

Alloy

#112
20160329180
2016-11-10

Contact for a high-voltage vacuum arc extinguishing chamber

#113
20160322185
2016-11-03

Double-contact switch with vacuum switching chambers

#114
20160260562
2016-09-08

Connection piece for a switch pole of a switching apparatus

#115
20160247648
2016-08-25

Vacuum switching apparatus and contact assembly therefor

#116
20160240338
2016-08-18

VACUUM CIRCUIT BREAKER UNDER HIGH PRESSURE

#117
20160163484
2016-06-09

Vacuum assisted electrical disconnect with dynamic shield

#118
20160141119
2016-05-19

Vacuum switching apparatus, and contact assembly and method of securing an electrical contact to an electrode therefor

#119
20160133402
2016-05-12

Method and device for producing contact elements for electrical switch contacts

#120
20150357136
2015-12-10

Modular vacuum interruption apparatus

#121
20150332878
2015-11-19

Power circuit breaker

#122
20150248977
2015-09-03

Switching apparatus

#123
20150162150
2015-06-11

AMF CONTACT FOR VACUUM INTERRUPTER WITH INFORCEMENT ELEMENT

#124
20150027988
2015-01-29

Green switchgear apparatuses, methods and systems

#125
20140224769
2014-08-14

Power switching apparatus

#126
20140175058
2014-06-26

Circuit-breaker pole part with a flexible conductor for connecting a movable electrical contact

#127
20140079584
2014-03-20

CONTACT MATERIAL FOR VACUUM INTERRUPTER, AND METHOD OF MAKING A CONTACT MATERIAL

#128
20130120879
2013-05-16

Triggered arc flash arrester and switchgear system including the same

#129
20130075368
2013-03-28

Vacuum switching apparatus including first and second movable contact assemblies, and vacuum electrical switching apparatus including the same

#130
20120312785
2012-12-13

Contact piece for a vacuum interrupter chamber

#131
20120200376
2012-08-09

Vacuum interrupter for vacuum circuit breaker

#132
20120118710
2012-05-17

Contact apparatus for circuit breaker

#133
20120091101
2012-04-19

Contact assembly for vacuum interrupter

#134
20110204299
2011-08-25

Electrode material for vacuum circuit breaker and method of manufacturing the same

#135
20110186549
2011-08-04

Vacuum switch tube

#136
20110186548
2011-08-04

Vacuum switch tube

#137
20110186546
2011-08-04

Vacuum switch tube

#138
20110073567
2011-03-31

Electrode for switch and vacuum switch, and method of manufacturing electrode for switch or vacuum switch

#139
20100230388
2010-09-16

Electrode for vacuum interrupter

#140
20100140225
2010-06-10

Tulip contacting device for vacuum circuit breaker

#141
20100025375
2010-02-04

Vacuum circuit breaker

#142
20100000972
2010-01-07

Vacuum circuit breaker

#143
20090084762
2009-04-02

Adjustable switching mechanism for series coupled vaccum interrupters

#144
20080302764
2008-12-11

Contact backing for a vacuum interrupter

#145
20080163476
2008-07-10

Process for producing a contact piece

#146
20050092714
2005-05-05

Electrical contact, method of manufacturing the same, electrode for vacuum interrupter, and vaccum circuit breaker

#147
18094340
2023-10-03

In-line disconnect switch

#148
18094307
2023-09-12

Vacuum break switch open and closed indicator

#149
18094235
2023-10-24

Vacuum break switch