Houdaille Hershey Corp
HoudailleActive Patents
0
Total Holdings
22
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2714447A | Tubing and method of producing same | Expired / Lapsed | 1950-06-22 | 1955-08-02 | 0 | Details |
| US2681796A | Radiant floor heating panel | Expired / Lapsed | 1951-01-05 | 1954-06-22 | 0 | Details |
| US2680472A | Adjustable spring mount and shock absorber assembly for tra… | Expired / Lapsed | 1950-12-09 | 1954-06-08 | 0 | Details |
| US2678607A | Constant pressure variable displacement pump | Expired / Lapsed | 1948-04-02 | 1954-05-18 | 0 | Details |
| US2669189A | Adjustable fluid pump | Expired / Lapsed | 1947-09-05 | 1954-02-16 | 0 | Details |
| US2661191A | Heat exchanger | Expired / Lapsed | 1950-02-08 | 1953-12-01 | 0 | Details |
| US2578021A | Method of making a locking ring and plate assembly | Expired / Lapsed | 1947-12-05 | 1951-12-11 | 0 | Details |
| US2571334A | Method of making resilient batts | Expired / Lapsed | 1946-08-30 | 1951-10-16 | 0 | Details |
| US2506726A | Pneumatic suspension for motor vehicles and the like | Expired / Lapsed | 1946-01-09 | 1950-05-09 | 0 | Details |
| US2476582A | Method of making filter units | Expired / Lapsed | 1945-06-11 | 1949-07-19 | 0 | Details |
| US2471960A | Condenser | Expired / Lapsed | 1944-08-14 | 1949-05-31 | 0 | Details |
| US2469828A | Evaporator unit | Expired / Lapsed | 1946-06-15 | 1949-05-10 | 0 | Details |
| FR926006A | fibrous filter element for liquid bath air cleaners | Expired / Lapsed | 1946-04-25 | 1947-09-19 | 0 | Details |
| US2386613A | Evaporator unit | Expired / Lapsed | 1944-07-13 | 1945-10-09 | 0 | Details |
| US2383773A | Hydraulic steering motor and shimmy dampener for airplane l… | Expired / Lapsed | 1942-07-02 | 1945-08-28 | 0 | Details |
| US2380240A | Separable fastener | Expired / Lapsed | 1942-02-13 | 1945-07-10 | 0 | Details |
| US2371705A | Hydraulic shock absorber | Expired / Lapsed | 1942-04-10 | 1945-03-20 | 0 | Details |
| US2324931A | Evaporator unit with frozen food compartments | Expired / Lapsed | 1940-12-30 | 1943-07-20 | 0 | Details |
| US2211813A | Method of making heat exchange devices | Expired / Lapsed | 1938-11-19 | 1940-08-20 | 0 | Details |
| US2184294A | Variable ratio brake lever | Expired / Lapsed | 1938-03-11 | 1939-12-26 | 0 | Details |
| US2151920A | Trailer hitching | Expired / Lapsed | 1937-06-05 | 1939-03-28 | 0 | Details |
| US2108145A | Wheel assembly | Expired / Lapsed | 1933-10-21 | 1938-02-15 | 0 | Details |