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*
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1958-06-25 |
1961-03-14 |
Allis Chalmers Mfg Co |
Spring bearing for vacuumized electric devices
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NL241567A
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*
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1958-07-24 |
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US3021407A
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*
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1958-09-16 |
1962-02-13 |
Jennings Radio Mfg Corp |
Vacuumized electric switch
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US2979587A
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*
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1958-10-28 |
1961-04-11 |
Jennings Radio Mfg Corp |
Vacuum electric switch
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US2979588A
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*
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1958-12-09 |
1961-04-11 |
Jennings Radio Mfg Corp |
Vacuum switch
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US3014107A
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*
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1959-01-02 |
1961-12-19 |
Gen Electric |
Vacuum switch
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US3151225A
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*
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1960-03-07 |
1964-09-29 |
Gerhard W Senlen |
Shielding means for an electromagnetic electrical contactor
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US3026394A
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*
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1959-11-10 |
1962-03-20 |
Jennings Radio Mfg Corp |
Vacuumized electric switch
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US3038980A
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*
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1959-12-17 |
1962-06-12 |
Gen Electric |
Vacuum-type circuit interrupter
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US3089936A
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*
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1960-02-23 |
1963-05-14 |
Gen Electric |
Contact structure for an electric circuit interrupter
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US3163736A
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*
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1961-05-23 |
1964-12-29 |
S & C Electric Co |
High voltage gas type circuit interrupter
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GB978973A
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1961-06-30 |
1965-01-01 |
English Electric Co Ltd |
Improvements in and relating to vacuum electric switches
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US3182156A
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*
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1961-09-19 |
1965-05-04 |
Gen Electric |
Vacuum-type circuit interrupter
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US3234351A
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*
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1961-10-19 |
1966-02-08 |
Gen Electric |
Vacuum devices having arc electrodes free of adsorbed gas and gas-forming constituents
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US3163734A
(en)
*
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1962-01-26 |
1964-12-29 |
Gen Electric |
Vacuum-type circuit interrupter with improved vapor-condensing shielding
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US3210505A
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*
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1962-04-03 |
1965-10-05 |
Gen Electric |
Electrode structure for an electric circuit interrupter
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*
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1962-07-17 |
1965-05-25 |
Gen Electric |
Vacuum-type circuit interrupter with improved arc splitting means
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US3140374A
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*
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1962-09-20 |
1964-07-07 |
Fred H Cole |
Circuit breaker interrupter
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FR1385794A
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*
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1963-01-30 |
1965-01-15 |
Thomson Houston Comp Francaise |
Improvements to an electrical circuit switch of the vacuum switch type
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GB993737A
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*
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1963-04-23 |
1965-06-02 |
Ass Elect Ind |
Improvements relating to vacuum switch contacts
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US3194932A
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*
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1963-05-07 |
1965-07-13 |
Bell Telephone Labor Inc |
Contacts for mercury switches including mercury recovery cowls
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GB1087074A
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1963-07-18 |
1967-10-11 |
Ass Elect Ind |
Improvements relating to vacuum switch contacts
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GB1065886A
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1963-10-11 |
1967-04-19 |
Ass Elect Ind |
Improvements relating to vacuum-switch contacts
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US3225167A
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1964-03-16 |
1965-12-21 |
Gen Electric |
Vacuum circuit breaker with arc rotation contact means
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GB1100259A
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1965-02-16 |
1968-01-24 |
Ass Elect Ind |
Improvements relating to vacuum switch contacts
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GB1142200A
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*
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1965-11-17 |
1969-02-05 |
Ass Elect Ind |
Improvements relating to vacuum switch contacts
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GB1194674A
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1966-05-27 |
1970-06-10 |
English Electric Co Ltd |
Vacuum Type Electric Circuit Interrupting Devices
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US3454811A
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1967-04-18 |
1969-07-08 |
Bell Telephone Labor Inc |
Gas tube surge (overload) protection device
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US3612795A
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*
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1969-01-09 |
1971-10-12 |
Westinghouse Electric Corp |
Shielding arrangements for vacuum-type circuit interrupters of the two-contact type
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US3670129A
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*
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1970-08-17 |
1972-06-13 |
Westinghouse Electric Corp |
Electrical contact members
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*
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1971-08-04 |
1972-07-04 |
Honeywell Inc |
Stainless steel snap acting mechanism with low resistance electrical path
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US3783213A
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*
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1972-04-27 |
1974-01-01 |
Gen Electric |
Vacuum type electric circuit interrupter
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US3980850A
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*
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1974-12-19 |
1976-09-14 |
Westinghouse Electric Corporation |
Vacuum interrupter with cup-shaped contact having an inner arc controlling electrode
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US4061894A
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*
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1976-04-28 |
1977-12-06 |
General Electric Company |
Vacuum-type circuit interrupter with improved protection for bellows
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DE2619459C3
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*
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1976-05-03 |
1978-11-09 |
Siemens Ag, 1000 Berlin Und 8000 Muenchen |
Sintered composite material as a contact material for vacuum medium-voltage circuit breakers
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US4384179A
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*
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1981-02-12 |
1983-05-17 |
Westinghouse Electric Corp. |
Stiff flexible connector for a circuit breaker or other electrical apparatus
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US4376235A
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*
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1981-02-12 |
1983-03-08 |
Westinghouse Electric Corp. |
Electrical junction of high conductivity for a circuit breaker or other electrical apparatus
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DE3215020A1
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*
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1982-04-22 |
1983-10-27 |
Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen |
Vacuum switch
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DE3528890A1
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*
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1985-08-12 |
1987-02-19 |
Siemens Ag |
Contact element
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US4665287A
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*
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1985-11-08 |
1987-05-12 |
General Electric Company |
Shield assembly of a vacuum interrupter
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US4695688A
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1986-03-24 |
1987-09-22 |
General Electric Company |
Electrical contact construction
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1997-08-06 |
1999-05-11 |
Elenbaas; George H. |
Electromechanical switch
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1999-03-29 |
2000-10-05 |
Siemens Aktiengesellschaft |
Switching contact for electrical switching devices
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