the impedance being inserted only while opening the switch

Industry

CPC
H01H33/167

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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

H01H33/167the impedance being inserted only while opening the switch

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Patents Grantslast 30 patents

Information Patent Grant
Electronic device with case having sheath-piercing tapered sections
- Patent number 11,532,442
- Issue date Dec 20, 2022
- Uchiya Thermostat Co., Ltd.
- Hideaki Takeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical DC switching system
- Patent number 10,872,740
- Issue date Dec 22, 2020
- ABB Schweiz AG
- Zichi Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch having an arc-quenching device
- Patent number 10,600,588
- Issue date Mar 24, 2020
- Siemens Aktiengesellschaft
- Karsten Freundt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Zero-current pulse with constant current gradient for interrupting...
- Patent number 10,332,705
- Issue date Jun 25, 2019
- Siemens Aktiengesellschaft
- Thomas Heinz
- H01 - BASIC ELECTRIC ELEMENTS
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Fast switch
- Patent number 9,478,383
- Issue date Oct 25, 2016
- LSIS Co., Ltd.
- Gyeong Ho Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Medium and high-voltage electric switch with return on closure and...
- Patent number 8,952,285
- Issue date Feb 10, 2015
- Alstom Technology Ltd
- André Cimala
- H01 - BASIC ELECTRIC ELEMENTS
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Hybrid circuit breaker
- Patent number 8,503,138
- Issue date Aug 6, 2013
- ABB Research Ltd.
- Georgios Demetriades
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power use circuit breaker and electrical circuit arrangement for el...
- Patent number 6,838,631
- Issue date Jan 4, 2005
- Hitachi, Ltd.
- Noriaki Munakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power use circuit breaker and electrical circuit arrangement for el...
- Patent number 6,751,078
- Issue date Jun 15, 2004
- Hitachi, Ltd.
- Noriaki Munakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Capacitor switch with external resistor and insertion whip
- Patent number 6,597,549
- Issue date Jul 22, 2003
- Southern States LLC
- Raj Anand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Capacitor switch with external resistor and insertion whip
- Patent number 6,483,679
- Issue date Nov 19, 2002
- Southern States, Inc.
- Raj Anand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resistor-type disconnecting switch for circuit breaker
- Patent number 4,500,762
- Issue date Feb 19, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Toshiaki Yoshizumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas insulated disconnector
- Patent number 4,488,021
- Issue date Dec 11, 1984
- Mitsubishi Denki Kabushiki Kaisha
- Toshiaki Yoshizumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas circuit breaker of resistance breaking type
- Patent number 4,423,298
- Issue date Dec 27, 1983
- Hitachi, Ltd.
- Masanori Tsukushi
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Information Patent Grant
Circuit-interrupters having shunting capacitance around the separab...
- Patent number 4,383,150
- Issue date May 10, 1983
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- Charles F. Cromer
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Information Patent Grant
High voltage circuit breaker
- Patent number 3,995,198
- Issue date Nov 30, 1976
- Licentia Patent-Verwaltungs-GmbH
- Karl Kriechbaum
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3891893
- Patent number 3,891,893
- Issue date Jun 24, 1975
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3777178
- Patent number 3,777,178
- Issue date Dec 4, 1973
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3551624
- Patent number 3,551,624
- Issue date Dec 29, 1970
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3529108
- Patent number 3,529,108
- Issue date Sep 15, 1970
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3435166
- Patent number 3,435,166
- Issue date Mar 25, 1969
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3433913
- Patent number 3,433,913
- Issue date Mar 18, 1969
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3358107
- Patent number 3,358,107
- Issue date Dec 12, 1967
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3264440
- Patent number 3,264,440
- Issue date Aug 2, 1966
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3214543
- Patent number 3,214,543
- Issue date Oct 26, 1965
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3211868
- Patent number 3,211,868
- Issue date Oct 12, 1965
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3174019
- Patent number 3,174,019
- Issue date Mar 16, 1965
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3164705
- Patent number 3,164,705
- Issue date Jan 5, 1965
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3163737
- Patent number 3,163,737
- Issue date Dec 29, 1964
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3143622
- Patent number 3,143,622
- Issue date Aug 4, 1964
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MECHANICAL CURRENT CUT-OFF DEVICE FOR HIGH-VOLTAGE DIRECT CURRENT W...
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- SUPERGRID INSTITUTE
- Florent MOREL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrical DC Switching System
- Publication number 20200144008
- Publication date May 7, 2020
- ABB Schweiz AG
- Zichi Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEDIUM AND HIGH-VOLTAGE ELECTRIC SWITCH WITH RETURN ON CLOSURE AND...
- Publication number 20130119022
- Publication date May 16, 2013
- ALSTOM Technology Ltd.
- André Cimala
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Hybrid Circuit Breaker
- Publication number 20120218676
- Publication date Aug 30, 2012
- Georgios Demetriades
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power use circuit breaker and electrical circuit arrangement for el...
- Publication number 20040074875
- Publication date Apr 22, 2004
- Hitachi, Ltd.
- Noriaki Munakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Capacitor switch with external resistor and insertion whip
- Publication number 20030062778
- Publication date Apr 3, 2003
- Raj Anand
- H01 - BASIC ELECTRIC ELEMENTS

the impedance being inserted only while opening the switch

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electronic device with case having sheath-piercing tapered sections

Electrical DC switching system

Switch having an arc-quenching device

Zero-current pulse with constant current gradient for interrupting...

Fast switch

Medium and high-voltage electric switch with return on closure and...

Hybrid circuit breaker

Power use circuit breaker and electrical circuit arrangement for el...

Power use circuit breaker and electrical circuit arrangement for el...

Capacitor switch with external resistor and insertion whip

Capacitor switch with external resistor and insertion whip

Resistor-type disconnecting switch for circuit breaker

Gas insulated disconnector

Gas circuit breaker of resistance breaking type

Circuit-interrupters having shunting capacitance around the separab...

High voltage circuit breaker

3891893

3777178

3551624

3529108

3435166

3433913

3358107

3264440

3214543

3211868

3174019

3164705

3163737

3143622

Patents Applicationslast 30 patents

MECHANICAL CURRENT CUT-OFF DEVICE FOR HIGH-VOLTAGE DIRECT CURRENT W...

Electrical DC Switching System

MEDIUM AND HIGH-VOLTAGE ELECTRIC SWITCH WITH RETURN ON CLOSURE AND...

Hybrid Circuit Breaker

Power use circuit breaker and electrical circuit arrangement for el...

Capacitor switch with external resistor and insertion whip