Allen Sherman Hoff Co
Allen SherActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2985420A | Fluid control devices | Expired / Lapsed | 1958-01-16 | 1961-05-23 | 0 | Details |
| US2693761A | Axial adjustment for pump bearings | Expired / Lapsed | 1949-08-24 | 1954-11-09 | 0 | Details |
| US2679374A | Batch mixing method and apparatus | Expired / Lapsed | 1953-09-22 | 1954-05-25 | 0 | Details |
| US2594975A | Mixing apparatus | Expired / Lapsed | 1949-05-24 | 1952-04-29 | 0 | Details |
| US2232648A | Centrifugal pump structure | Expired / Lapsed | 1939-01-26 | 1941-02-18 | 0 | Details |
| US2220669A | Impeller for centrifugal pumps | Expired / Lapsed | 1937-12-06 | 1940-11-05 | 0 | Details |
| US1937461A | Oil sealing device | Expired / Lapsed | 1930-10-25 | 1933-11-28 | 0 | Details |