Hydraulic Brake Co
HydraulicActive Patents
0
Total Holdings
24
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2459562A | Cup washer | Expired / Lapsed | 1945-08-27 | 1949-01-18 | 0 | Details |
| US2390258A | Hydraulic pressure fluid | Expired / Lapsed | 1943-05-24 | 1945-12-04 | 0 | Details |
| US2354958A | Diaphragm pump | Expired / Lapsed | 1943-05-29 | 1944-08-01 | 0 | Details |
| US2344331A | Frictional resistance test apparatus | Expired / Lapsed | 1941-08-22 | 1944-03-14 | 0 | Details |
| US2317601A | Fluid pressure braking system | Expired / Lapsed | 1940-03-07 | 1943-04-27 | 0 | Details |
| US2255260A | Brake | Expired / Lapsed | 1939-06-17 | 1941-09-09 | 0 | Details |
| US2232350A | Fluid pressure braking system | Expired / Lapsed | 1938-09-26 | 1941-02-18 | 0 | Details |
| US2232349A | Fluid pressure braking system | Expired / Lapsed | 1938-07-18 | 1941-02-18 | 0 | Details |
| US2216861A | Automatic adjustment | Expired / Lapsed | 1939-05-01 | 1940-10-08 | 0 | Details |
| US2211652A | Fluid pressure producing device | Expired / Lapsed | 1937-08-19 | 1940-08-13 | 0 | Details |
| US2196337A | Flexible cup | Expired / Lapsed | 1937-01-08 | 1940-04-09 | 0 | Details |
| US2174615A | Fluid pressure braking system | Expired / Lapsed | 1935-12-28 | 1939-10-03 | 0 | Details |
| US2161279A | Fluid pressure system | Expired / Lapsed | 1937-05-14 | 1939-06-06 | 0 | Details |
| US2152345A | Fluid pressure braking system | Expired / Lapsed | 1936-09-17 | 1939-03-28 | 0 | Details |
| US2114992A | Fluid pressure producing device | Expired / Lapsed | 1935-12-14 | 1938-04-26 | 0 | Details |
| US2106758A | Fluid pressure brake system | Expired / Lapsed | 1934-02-28 | 1938-02-01 | 0 | Details |
| US2004078A | Hydraulic brake mechanism | Expired / Lapsed | 1933-07-01 | 1935-06-04 | 0 | Details |
| US1978211A | Flexible hose for fluid pressure systems | Expired / Lapsed | 1928-07-18 | 1934-10-23 | 0 | Details |
| US1944890A | Hose coupling | Expired / Lapsed | 1931-08-24 | 1934-01-30 | 0 | Details |
| US1928836A | Hose coupler | Expired / Lapsed | 1928-10-11 | 1933-10-03 | 0 | Details |
| US1885121A | Valve mechanism | Expired / Lapsed | 1929-02-02 | 1932-11-01 | 0 | Details |
| US1815157A | Fluid operated brake | Expired / Lapsed | 1924-02-21 | 1931-07-21 | 0 | Details |
| US1774983A | High-pressure hose | Expired / Lapsed | 1926-06-21 | 1930-09-02 | 0 | Details |
| US1725286A | Hose and fitting | Expired / Lapsed | 1923-05-02 | 1929-08-20 | 0 | Details |