De Laval Steam Turbine Co
De Laval SActive Patents
0
Total Holdings
10
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2382564A | Turbine system | Expired / Lapsed | 1943-09-16 | 1945-08-14 | 0 | Details |
| US2100560A | Deep well pump | Expired / Lapsed | 1933-12-02 | 1937-11-30 | 0 | Details |
| US2060220A | Automobile transmission | Expired / Lapsed | 1933-06-13 | 1936-11-10 | 0 | Details |
| US2009622A | Fluid proportioning device | Expired / Lapsed | 1933-01-20 | 1935-07-30 | 0 | Details |
| US2009001A | Driving means for ship auxiliaries or the like | Expired / Lapsed | 1934-03-03 | 1935-07-23 | 0 | Details |
| US1910811A | Centrifugal pump | Expired / Lapsed | 1931-02-02 | 1933-05-23 | 0 | Details |
| US1889554A | Steam chest construction for steam turbines | Expired / Lapsed | 1930-06-27 | 1932-11-29 | 0 | Details |
| US1620261A | Rotary gear pump | Expired / Lapsed | 1924-06-11 | 1927-03-08 | 0 | Details |
| US1609306A | Deep-well pump | Expired / Lapsed | 1924-11-22 | 1926-12-07 | 0 | Details |
| US1123364A | Pressure-engine. | Expired / Lapsed | 1912-03-08 | 1915-01-05 | 0 | Details |