Detroit Lubricator Co
Detroit LuActive Patents
0
Total Holdings
14
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2548878A | Thermostatic valve having sealing diaphragm and supporting … | Expired / Lapsed | 1948-12-30 | 1951-04-17 | 0 | Details |
| US2534251A | Automatic valve | Expired / Lapsed | 1946-10-23 | 1950-12-19 | 0 | Details |
| US2356958A | Valve | Expired / Lapsed | 1942-03-27 | 1944-08-29 | 0 | Details |
| US2352439A | Heat actuated device | Expired / Lapsed | 1940-06-08 | 1944-06-27 | 0 | Details |
| US2336603A | Orifice clearing means | Expired / Lapsed | 1941-12-11 | 1943-12-14 | 0 | Details |
| US2326096A | Thermostatic control device | Expired / Lapsed | 1941-05-08 | 1943-08-03 | 0 | Details |
| US2279582A | Control device | Expired / Lapsed | 1938-06-08 | 1942-04-14 | 0 | Details |
| US2208181A | Vacuum air valve | Expired / Lapsed | 1936-07-20 | 1940-07-16 | 0 | Details |
| US2180802A | Control device | Expired / Lapsed | 1936-04-03 | 1939-11-21 | 0 | Details |
| US2110367A | Air conditioning system | Expired / Lapsed | 1935-07-25 | 1938-03-08 | 0 | Details |
| US2092297A | Carburetor and control means therefor | Expired / Lapsed | 1933-05-26 | 1937-09-07 | 0 | Details |
| US2044729A | Control device | Expired / Lapsed | 1933-03-06 | 1936-06-16 | 0 | Details |
| US2019461A | Control means | Expired / Lapsed | 1932-01-14 | 1935-10-29 | 0 | Details |
| US1661131A | Expansible-collapsible element | Expired / Lapsed | 1926-04-29 | 1928-02-28 | 0 | Details |