having fixed middle contact and two movable contacts

Industry

CPC
H01H33/6647

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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means

Current Industry

H01H33/6647having fixed middle contact and two movable contacts

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum valve and method for manufacturing vacuum circuit breaker
- Patent number 12,068,122
- Issue date Aug 20, 2024
- Mitsubishi Electric Corporation
- Motohiro Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Actuating system for a vacuum bottle
- Patent number 10,916,393
- Issue date Feb 9, 2021
- Schneider Electric Industries SAS
- Mathieu Bono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
On-load tap changer and method of and system for operating same
- Patent number 10,483,879
- Issue date Nov 19, 2019
- MASCHINENFABRIK REINHAUSEN GMBH
- Alfred Bieringer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic repulsion actuator for circuit breaker
- Patent number 10,181,387
- Issue date Jan 15, 2019
- HYOSUNG HEAVY INDUSTRIES CORPORATION
- Nam Kyung Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double-contact switch with vacuum switching chambers
- Patent number 9,741,513
- Issue date Aug 22, 2017
- Eaton Electrical IP GmbH & Co. KG
- Gerd Schmitz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power circuit breaker
- Patent number 9,543,086
- Issue date Jan 10, 2017
- Technische Universitat Braunschweig
- Vladimir Ermel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tap changer with vacuum interrupters
- Patent number 9,293,273
- Issue date Mar 22, 2016
- MASCHINENFABRIK REINHAUSEN GMBH
- Wolfgang Albrecht
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Tap changer and vacuum switching tube for such a tap changer
- Patent number 9,165,726
- Issue date Oct 20, 2015
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tap changer and vacuum interrupter for such a tap changer
- Patent number 8,947,188
- Issue date Feb 3, 2015
- MASCHINENFABRIK REINHAUSEN GMBH
- Christian Hammer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-voltage switching device
- Patent number 8,847,095
- Issue date Sep 30, 2014
- ABB Research Ltd.
- Lise Donzel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Encapsulated vacuum interrupter with grounded end cup and drive rod
- Patent number 8,497,446
- Issue date Jul 30, 2013
- Michael David Glaser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double break vacuum interrupter
- Patent number 8,471,166
- Issue date Jun 25, 2013
- Michael David Glaser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switch with pre-insertion contact
- Patent number 8,445,805
- Issue date May 21, 2013
- Michael David Glaser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switch including vacuum-measurement devices, switchgear usin...
- Patent number 6,529,009
- Issue date Mar 4, 2003
- Hitachi, Ltd.
- Shuuichi Kikukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switch including vacuum-measurement devices, switchgear usin...
- Patent number 6,426,627
- Issue date Jul 30, 2002
- Hitachi, Ltd.
- Shuuichi Kikukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum interrupter with increased separation of functions
- Patent number 4,320,269
- Issue date Mar 16, 1982
- Electric Power Research Institute, Inc.
- Joseph A. Rich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switching apparatus with double interruption and including a...
- Patent number 4,107,496
- Issue date Aug 15, 1978
- Hazemeijer B.V.
- Jan C. Clason
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vacuum-type circuit interrupter with two sets of contacts electrica...
- Patent number 4,029,921
- Issue date Jun 14, 1977
- General Electric Company
- Joseph A. Rich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum-type circuit interrupter with two sets of contacts electrica...
- Patent number 3,996,438
- Issue date Dec 7, 1976
- General Electric Company
- Donald R. Kurtz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3839611
- Patent number 3,839,611
- Issue date Oct 1, 1974
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3798484
- Patent number 3,798,484
- Issue date Mar 19, 1974
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3575564
- Patent number 3,575,564
- Issue date Apr 20, 1971
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3405245
- Patent number 3,405,245
- Issue date Oct 8, 1968
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3185798
- Patent number 3,185,798
- Issue date May 25, 1965
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
VACUUM INTERRUPTER, ASSEMBLY COMPRISING VACUUM INTERRUPTERS, AND ME...
- Publication number 20240339275
- Publication date Oct 10, 2024
- Siemens Energy Global GmbH & Co. KG
- Paul Gregor Nikolic
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM VALVE AND METHOD FOR MANUFACTURING VACUUM CIRCUIT BREAKER
- Publication number 20220415594
- Publication date Dec 29, 2022
- MITSUBISHI ELECTRIC CORPORATION
- Motohiro SATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ACTUATING SYSTEM FOR A VACUUM BOTTLE
- Publication number 20200273646
- Publication date Aug 27, 2020
- Schneider Electric Industries SAS
- Mathieu BONO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TAP CHANGER AND VACUUM INTERRUPTER FOR SUCH A TAP CHANGER
- Publication number 20140085028
- Publication date Mar 27, 2014
- Christian Hammer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TAP CHANGER WITH VACUUM INTERRUPTERS
- Publication number 20140027257
- Publication date Jan 30, 2014
- Wolfgang Albrecht
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TAP CHANGER AND VACUUM SWITCHING TUBE FOR SUCH A TAP CHANGER
- Publication number 20130220782
- Publication date Aug 29, 2013
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH-VOLTAGE SWITCHING DEVICE
- Publication number 20130057083
- Publication date Mar 7, 2013
- ABB Research Ltd.
- Lise Donzel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum Switch With Pre-Insertion Contact
- Publication number 20120175347
- Publication date Jul 12, 2012
- Michael David Glaser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum switch including vacuum-measurement devices, switchgear usin...
- Publication number 20020149372
- Publication date Oct 17, 2002
- Hitachi, Ltd.
- Shuuichi Kikukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum switch including vacuum-measurement devices, switchgear usin...
- Publication number 20010004067
- Publication date Jun 21, 2001
- Shuuichi Kikukawa
- H01 - BASIC ELECTRIC ELEMENTS

having fixed middle contact and two movable contacts

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Vacuum valve and method for manufacturing vacuum circuit breaker

Actuating system for a vacuum bottle

On-load tap changer and method of and system for operating same

Electromagnetic repulsion actuator for circuit breaker

Double-contact switch with vacuum switching chambers

Power circuit breaker

Tap changer with vacuum interrupters

Tap changer and vacuum switching tube for such a tap changer

Tap changer and vacuum interrupter for such a tap changer

High-voltage switching device

Encapsulated vacuum interrupter with grounded end cup and drive rod

Double break vacuum interrupter

Vacuum switch with pre-insertion contact

Vacuum switch including vacuum-measurement devices, switchgear usin...

Vacuum switch including vacuum-measurement devices, switchgear usin...

Vacuum interrupter with increased separation of functions

Vacuum switching apparatus with double interruption and including a...

Vacuum-type circuit interrupter with two sets of contacts electrica...

Vacuum-type circuit interrupter with two sets of contacts electrica...

3839611

3798484

3575564

3405245

3185798

Patents Applicationslast 30 patents

VACUUM INTERRUPTER, ASSEMBLY COMPRISING VACUUM INTERRUPTERS, AND ME...

VACUUM VALVE AND METHOD FOR MANUFACTURING VACUUM CIRCUIT BREAKER

ACTUATING SYSTEM FOR A VACUUM BOTTLE

TAP CHANGER AND VACUUM INTERRUPTER FOR SUCH A TAP CHANGER

TAP CHANGER WITH VACUUM INTERRUPTERS

TAP CHANGER AND VACUUM SWITCHING TUBE FOR SUCH A TAP CHANGER

HIGH-VOLTAGE SWITCHING DEVICE

Vacuum Switch With Pre-Insertion Contact

Vacuum switch including vacuum-measurement devices, switchgear usin...

Vacuum switch including vacuum-measurement devices, switchgear usin...