Oilgear Co
Oilgear CoActive Patents
0
Total Holdings
44
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3225542A | Speed control system | Expired / Lapsed | 1964-03-16 | 1965-12-28 | 2 | Details |
| US2774434A | Steering control for industrial truck with hydraulic wheel … | Expired / Lapsed | 1953-05-11 | 1956-12-18 | 0 | Details |
| US2641195A | Sliding vave type hydrodynamic machine | Expired / Lapsed | 1947-11-28 | 1953-06-09 | 0 | Details |
| US2632398A | Spring for urging outward the vanes of vane type hydrodynam… | Expired / Lapsed | 1946-12-05 | 1953-03-24 | 0 | Details |
| US2553286A | Hydraulic drive for inertia loads | Expired / Lapsed | 1948-04-28 | 1951-05-15 | 0 | Details |
| US2480403A | Hydraulic transmission | Expired / Lapsed | 1944-08-28 | 1949-08-30 | 0 | Details |
| US2467121A | Method of making vane tracks | Expired / Lapsed | 1946-08-02 | 1949-04-12 | 0 | Details |
| US2453309A | Vane type hydraulic motor | Expired / Lapsed | 1943-03-15 | 1948-11-09 | 0 | Details |
| US2441925A | Centering device | Expired / Lapsed | 1944-11-09 | 1948-05-18 | 0 | Details |
| US2345920A | Hydraulic drive | Expired / Lapsed | 1939-12-29 | 1944-04-04 | 0 | Details |
| US2312213A | Hydraulic press | Expired / Lapsed | 1941-06-18 | 1943-02-23 | 0 | Details |
| US2274226A | Broaching machine | Expired / Lapsed | 1938-06-10 | 1942-02-24 | 0 | Details |
| US2267296A | Bonding machine | Expired / Lapsed | 1939-03-30 | 1941-12-23 | 0 | Details |
| US2254103A | Differential pump | Expired / Lapsed | 1936-04-16 | 1941-08-26 | 0 | Details |
| US2229419A | Hydraulic transmission | Expired / Lapsed | 1938-12-17 | 1941-01-21 | 0 | Details |
| US2227814A | Control for hydraulic transmissions | Expired / Lapsed | 1938-10-10 | 1941-01-07 | 0 | Details |
| US2214552A | Controller for hydrodynamic machines | Expired / Lapsed | 1937-04-01 | 1940-09-10 | 0 | Details |
| US2211692A | Hold-down system | Expired / Lapsed | 1938-08-25 | 1940-08-13 | 0 | Details |
| US2114005A | Hydraulic speed press | Expired / Lapsed | 1937-05-03 | 1938-04-12 | 0 | Details |
| US2093690A | Hydraulic transmission | Expired / Lapsed | 1935-04-17 | 1937-09-21 | 0 | Details |
| US2080810A | Pump control | Expired / Lapsed | 1935-06-24 | 1937-05-18 | 0 | Details |
| US2065219A | Broaching machine | Expired / Lapsed | 1935-09-16 | 1936-12-22 | 0 | Details |
| US2056896A | Hydraulic transmission | Expired / Lapsed | 1933-06-26 | 1936-10-06 | 0 | Details |
| US2047181A | Hydraulic feed for machine tools | Expired / Lapsed | 1929-11-18 | 1936-07-14 | 0 | Details |
| US2026776A | Hydraulic transmission | Expired / Lapsed | 1934-07-09 | 1936-01-07 | 0 | Details |
| US2004522A | Speed controller for hydraulic motors | Expired / Lapsed | 1932-09-19 | 1935-06-11 | 0 | Details |
| US1994974A | Differential resistance valve | Expired / Lapsed | 1930-06-21 | 1935-03-19 | 0 | Details |
| US1974138A | Pump control | Expired / Lapsed | 1932-01-08 | 1934-09-18 | 0 | Details |
| US1965937A | Variable displacement pump | Expired / Lapsed | 1931-07-20 | 1934-07-10 | 0 | Details |
| US1964398A | Choked outflow hydraulic transmission | Expired / Lapsed | 1932-03-31 | 1934-06-26 | 0 | Details |
| US1946902A | Hydraulic feed mechanism | Expired / Lapsed | 1926-04-05 | 1934-02-13 | 0 | Details |
| US1930155A | Hydraulic press | Expired / Lapsed | 1931-04-06 | 1933-10-10 | 0 | Details |
| US1928150A | Hydraulic drive for machine tools | Expired / Lapsed | 1930-09-20 | 1933-09-26 | 0 | Details |
| US1922513A | Forming press | Expired / Lapsed | 1931-02-14 | 1933-08-15 | 0 | Details |
| US1912184A | Hydraulic motor control | Expired / Lapsed | 1930-06-28 | 1933-05-30 | 0 | Details |
| US1911132A | Drilling machine | Expired / Lapsed | 1930-06-19 | 1933-05-23 | 0 | Details |
| US1911138A | Drilling machine | Expired / Lapsed | 1930-06-04 | 1933-05-23 | 0 | Details |
| US1897386A | Broaching machine | Expired / Lapsed | 1930-05-31 | 1933-02-14 | 0 | Details |
| US1896052A | Hydraulic transmission | Expired / Lapsed | 1930-05-19 | 1933-01-31 | 0 | Details |
| US1851502A | Hydraulic control | Expired / Lapsed | 1931-03-05 | 1932-03-29 | 0 | Details |
| US1831238A | Multiple hydraulic drive | Expired / Lapsed | 1928-02-29 | 1931-11-10 | 0 | Details |
| US1692771A | Hydraulic press | Expired / Lapsed | 1924-11-08 | 1928-11-20 | 0 | Details |
| US1628603A | Hydraulic transmission | Expired / Lapsed | 1921-07-09 | 1927-05-10 | 0 | Details |
| US1485986A | Hydraulic transmission | Expired / Lapsed | 1918-03-25 | 1924-03-04 | 0 | Details |