DE1067502B
(en)
*
|
|
|
|
|
GB398213A
(en)
*
|
1932-03-01 |
1933-09-01 |
Willis Bevan Whitney |
Improvements in or relating to circuit breakers
|
DE901563C
(en)
*
|
1932-09-04 |
1954-01-11 |
Erwin Marx Dr Ing |
Spark gap arrangement for arc converters, switches or the like.
|
DE756203C
(en)
*
|
1934-02-23 |
1953-05-11 |
Siemens Schuckertwerke A G |
Device for extinguishing AC interrupting arcs in switches and similar interrupting devices
|
DE908880C
(en)
*
|
1934-07-31 |
1954-04-12 |
Frida Strauss Geb Ruppel |
Gas switch
|
BE418054A
(en)
*
|
1936-10-23 |
1936-11-30 |
Acec |
Pressurized fluid circuit breaker
|
DE767057C
(en)
*
|
1937-08-22 |
1951-08-16 |
Aeg |
High-voltage switch with a short-term interruption, especially for forwarding errors in line systems
|
DE750588C
(en)
*
|
1938-01-06 |
1945-01-23 |
|
System for the interruption of large services
|
DE765802C
(en)
*
|
1938-11-17 |
1954-10-18 |
Brown Ag |
Gas pressure switch
|
US2288324A
(en)
*
|
1940-04-26 |
1942-06-30 |
Gen Electric |
Electric circuit breaker
|
DE767026C
(en)
*
|
1940-06-08 |
1951-07-26 |
Brown Ag |
Blow valve for pressure gas switch in column design
|
DE747669C
(en)
*
|
1940-09-17 |
1944-10-09 |
|
Double nozzle switch with arc extinguishing by a flowing medium
|
US2426250A
(en)
*
|
1943-05-21 |
1947-08-26 |
Allis Chalmers Mfg Co |
Gas blast circuit breaker
|
US2459612A
(en)
*
|
1944-12-22 |
1949-01-18 |
Westinghouse Electric Corp |
Compressed gas circuit interrupter
|
US2568381A
(en)
*
|
1945-03-23 |
1951-09-18 |
Westinghouse Electric Corp |
Circuit interrupter
|
US2447627A
(en)
*
|
1946-01-12 |
1948-08-24 |
Westinghouse Electric Corp |
Compressed gas circuit interrupter
|
US2757261A
(en)
*
|
1951-07-19 |
1956-07-31 |
Westinghouse Electric Corp |
Circuit interrupters
|
BE517673A
(en)
*
|
1952-02-14 |
|
|
|
DE952533C
(en)
*
|
1953-08-19 |
1956-11-15 |
Licentia Gmbh |
High-voltage pressure gas switch
|
GB776748A
(en)
*
|
1954-03-16 |
1957-06-12 |
Reyrolle A & Co Ltd |
Improvements relating to high-voltage air-break circuit-breakers
|
DE1056229B
(en)
*
|
1955-01-29 |
1959-04-30 |
Calor Emag Elektrizitaets Ag |
Electric switch
|
CH344466A
(en)
*
|
1955-05-14 |
1960-02-15 |
Bbc Brown Boveri & Cie |
Compressed air switch
|
DE1052499B
(en)
*
|
1956-07-09 |
1959-03-12 |
Ckd Modrany Narodni Podnik |
Metal extinguishing chamber for electrical switchgear
|
GB884854A
(en)
*
|
1957-07-01 |
1961-12-20 |
Ass Elect Ind |
Improvements in air or gas blast electric circuit-breakers
|
DE1154852B
(en)
*
|
1957-07-19 |
1963-09-26 |
Siemens Ag |
Electrical compressed air switch with multiple interruption
|
US3150245A
(en)
*
|
1957-09-13 |
1964-09-22 |
Westinghouse Electric Corp |
Liquefied gas circuit interrupters
|
DE1244915B
(en)
*
|
1959-04-10 |
1967-07-20 |
Licentia Gmbh |
Pressurized gas switch, especially the wall construction type
|
DE1199848B
(en)
*
|
1960-06-29 |
1965-09-02 |
Bbc Brown Boveri & Cie |
Depending on the current, the movement block for the movable nozzle contact on compressed air switches
|
US3154658A
(en)
*
|
1960-10-07 |
1964-10-27 |
Westinghouse Electric Corp |
Circuit interrupter with movable tubular contact as sole vent for interrupting chamber
|
DE1174400B
(en)
*
|
1960-10-14 |
1964-07-23 |
Licentia Gmbh |
High voltage circuit breaker
|
FR1301864A
(en)
*
|
1961-06-29 |
1962-08-24 |
Comp Generale Electricite |
Self-compressing cut-off device in gases, in particular halogenated gases
|
US3178546A
(en)
*
|
1961-12-04 |
1965-04-13 |
Gen Electric |
Orifice structure for circuit interrupter of fluid blast type
|
DE1247441B
(en)
*
|
1964-05-13 |
1967-08-17 |
Licentia Gmbh |
Electrical high-performance switch with arc extinguishing by a flowing extinguishing agent
|
DE1227111B
(en)
*
|
1965-08-27 |
1966-10-20 |
Licentia Gmbh |
Low-noise pressurized gas nozzle switch for three-phase current
|
CN109787598B
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2018-12-21 |
2020-08-18 |
珠海格力电器股份有限公司 |
Plug control device, electronic equipment and plug control method thereof
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CN112881867B
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*
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2021-01-11 |
2022-04-29 |
青岛雅合科技发展有限公司 |
Valve chamber insulation monitoring method
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