Robbins and Myers Inc
Robbins anActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3084631A | Helical gear pump with stator compression | Expired / Lapsed | 1962-01-17 | 1963-04-09 | 2 | Details |
| US3045177A | Testing device for electrical windings and the like | Expired / Lapsed | 1959-08-19 | 1962-07-17 | 0 | Details |
| US2901695A | Testing device for electrical windings and the like | Expired / Lapsed | 1954-07-02 | 1959-08-25 | 0 | Details |
| US2874643A | Helical gear pump with stator compression | Expired / Lapsed | 1957-10-15 | 1959-02-24 | 0 | Details |
| CA506503A | Helical gear pump with backed-up non-rigid casing | Expired / Lapsed | — | 1954-10-12 | 0 | Details |
| US2612845A | Helical gear pump with nonrigid casing | Expired / Lapsed | 1950-04-29 | 1952-10-07 | 0 | Details |
| US2525256A | Filler and deflator device | Expired / Lapsed | 1945-12-29 | 1950-10-10 | 0 | Details |
| US2483370A | Helical multiple pump | Expired / Lapsed | 1946-06-18 | 1949-09-27 | 0 | Details |
| US1847227A | Mixing and agitating machine | Expired / Lapsed | 1930-06-23 | 1932-03-01 | 0 | Details |