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wherein the break is in air at atmospheric pressure
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H01H33/77
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H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
H01H33/00
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
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H01H33/77
wherein the break is in air at atmospheric pressure
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Patents Grants
last 30 patents
Information
Patent Grant
Quenching chamber of a medium-voltage switch disconnector
Patent number
9,401,253
Issue date
Jul 26, 2016
ABB Technology AG
Piotr Piekarski
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Replaceable bushing and contact assembly for blade type air insulat...
Patent number
4,886,945
Issue date
Dec 12, 1989
A. B. Chance Company
Gerald B. Roberts
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Current limiter
Patent number
4,367,508
Issue date
Jan 4, 1983
Siemens Aktiengesellschaft
Wilfried Haas
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grounded surface distribution apparatus
Patent number
4,029,380
Issue date
Jun 14, 1977
Joslyn Mfg. and Supply Co.
Edward H. Yonkers
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power cable separable connector having gasket means for restricting...
Patent number
3,982,812
Issue date
Sep 28, 1976
General Electric Company
Vincent J. Boliver
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grounded surface distribution apparatus
Patent number
3,949,343
Issue date
Apr 6, 1976
Joslyn Mfg. and Supply Co.
Edward H. Yonkers
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3917374
Patent number
3,917,374
Issue date
Nov 4, 1975
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3915534
Patent number
3,915,534
Issue date
Oct 28, 1975
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3909570
Patent number
3,909,570
Issue date
Sep 30, 1975
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3868616
Patent number
3,868,616
Issue date
Feb 25, 1975
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3860321
Patent number
3,860,321
Issue date
Jan 14, 1975
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3835439
Patent number
3,835,439
Issue date
Sep 10, 1974
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3763461
Patent number
3,763,461
Issue date
Oct 2, 1973
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3739122
Patent number
3,739,122
Issue date
Jun 12, 1973
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3737403
Patent number
3,737,403
Issue date
Jun 5, 1973
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
3676623
Patent number
3,676,623
Issue date
Jul 11, 1972
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3671697
Patent number
3,671,697
Issue date
Jun 20, 1972
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3668351
Patent number
3,668,351
Issue date
Jun 6, 1972
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
3668614
Patent number
3,668,614
Issue date
Jun 6, 1972
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3654590
Patent number
3,654,590
Issue date
Apr 4, 1972
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3652975
Patent number
3,652,975
Issue date
Mar 28, 1972
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3602667
Patent number
3,602,667
Issue date
Aug 31, 1971
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3586804
Patent number
3,586,804
Issue date
Jun 22, 1971
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3586802
Patent number
3,586,802
Issue date
Jun 22, 1971
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3576967
Patent number
3,576,967
Issue date
May 4, 1971
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3549840
Patent number
3,549,840
Issue date
Dec 22, 1970
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3513437
Patent number
3,513,437
Issue date
May 19, 1970
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3452172
Patent number
3,452,172
Issue date
Jun 24, 1969
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3441699
Patent number
3,441,699
Issue date
Apr 29, 1969
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3391368
Patent number
3,391,368
Issue date
Jul 2, 1968
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents