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BF Sturtevant Co

BF Sturtev
Active Patents
0
Total Holdings
21

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2405813A Drier Expired / Lapsed 1944-05-06 1946-08-13 0 Details
US2388210A Refrigeration system for air-conditioned passenger vehicles Expired / Lapsed 1943-04-23 1945-10-30 0 Details
US2340252A Tempering apparatus for refrigerated air Expired / Lapsed 1941-01-04 1944-01-25 0 Details
US2319913A Thrust bearing Expired / Lapsed 1941-03-27 1943-05-25 0 Details
US2257485A Air conditioning system Expired / Lapsed 1939-08-15 1941-09-30 0 Details
US2234037A Air conditioning system utilizing refrigeration Expired / Lapsed 1938-11-17 1941-03-04 0 Details
US2231824A Automatically controlled winter air conditioning system Expired / Lapsed 1940-06-15 1941-02-11 0 Details
US2197740A Pressure ventilating system Expired / Lapsed 1938-07-22 1940-04-16 0 Details
US2157685A Air conditioning system utilizing refrigeration Expired / Lapsed 1936-07-02 1939-05-09 0 Details
US2100489A Fan Expired / Lapsed 1936-07-31 1937-11-30 0 Details
US2096373A Dry kiln Expired / Lapsed 1936-05-23 1937-10-19 0 Details
US2091562A Air conditioning system Expired / Lapsed 1935-08-30 1937-08-31 0 Details
US1985636A Refrigeration system for vehicles Expired / Lapsed 1933-12-19 1934-12-25 0 Details
US1973554A Elastic fluid turbine Expired / Lapsed 1930-03-01 1934-09-11 0 Details
US1912114A Clamp Expired / Lapsed 1931-06-03 1933-05-30 0 Details
US1886777A Air conditioning apparatus Expired / Lapsed 1930-02-14 1932-11-08 0 Details
US1860377A Air conditioning control Expired / Lapsed 1931-05-08 1932-05-31 0 Details
US1724902A Bearing Expired / Lapsed 1924-02-27 1929-08-20 0 Details
US1471112A Apparatus for cooling air Expired / Lapsed 1919-12-13 1923-10-16 0 Details
US1191393A Balancing-ring. Expired / Lapsed 1912-08-12 1916-07-18 0 Details
US1038110A Centrifugal fan-wheel. Expired / Lapsed 1911-01-28 1912-09-10 0 Details