Denison Engineering Co
Denison EnActive Patents
0
Total Holdings
10
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2696196A | Control valve for hydraulic apparatus | Expired / Lapsed | 1949-02-18 | 1954-12-07 | 0 | Details |
| US2642887A | Unloading valve | Expired / Lapsed | 1947-08-21 | 1953-06-23 | 0 | Details |
| US2619121A | Solenoid operated valve | Expired / Lapsed | 1947-10-01 | 1952-11-25 | 0 | Details |
| US2619112A | Pressure relief valve | Expired / Lapsed | 1946-06-12 | 1952-11-25 | 0 | Details |
| US2608376A | Valve construction | Expired / Lapsed | 1945-09-26 | 1952-08-26 | 0 | Details |
| US2608159A | Hydraulic apparatus | Expired / Lapsed | 1945-02-02 | 1952-08-26 | 0 | Details |
| US2569226A | Method of producing articles from powdered material | Expired / Lapsed | 1946-01-11 | 1951-09-25 | 1 | Details |
| US2546580A | Hydraulic apparatus | Expired / Lapsed | 1947-03-29 | 1951-03-27 | 0 | Details |
| US2502547A | Hydraulic apparatus | Expired / Lapsed | 1948-05-11 | 1950-04-04 | 0 | Details |
| US2464283A | Hydraulic apparatus | Expired / Lapsed | 1944-07-19 | 1949-03-15 | 0 | Details |