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Girdler Corp

Girdler Co
Active Patents
0
Total Holdings
12

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2564579A High-frequency dielectric heating Expired / Lapsed 1946-03-08 1951-08-14 0 Details
US2548246A Arc-over protective system for high-frequency heating syste… Expired / Lapsed 1946-12-11 1951-04-10 0 Details
US2522487A Dielectric heating apparatus Expired / Lapsed 1948-02-27 1950-09-12 0 Details
US2484542A Anode cooling system Expired / Lapsed 1946-05-15 1949-10-11 0 Details
US2383416A Process of removing hydrogen sulphide from hydrocarbon liqu… Expired / Lapsed 1943-03-12 1945-08-21 0 Details
US2307344A Electrical heating Expired / Lapsed 1941-10-21 1943-01-05 0 Details
US2220138A Purification of hydrocarbons Expired / Lapsed 1938-06-10 1940-11-05 0 Details
US2089273A Package forming apparatus Expired / Lapsed 1935-08-10 1937-08-10 0 Details
US2065112A Process for separating acidic gases Expired / Lapsed 1933-12-01 1936-12-22 0 Details
US2063065A Apparatus for processing material Expired / Lapsed 1930-10-15 1936-12-08 0 Details
US2062278A Frozen comestible package Expired / Lapsed 1934-01-17 1936-11-24 0 Details
US2020719A Process and apparatus for solidifying material in finely su… Expired / Lapsed 1934-06-12 1935-11-12 0 Details