US Electrical Motors Inc
US ElectriActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2953403A | Adjustable drive coupling for pump shafts | Expired / Lapsed | 1959-01-07 | 1960-09-20 | 0 | Details |
| US2293616A | Submersible structure | Expired / Lapsed | 1938-02-28 | 1942-08-18 | 0 | Details |
| US2275680A | Sealing device | Expired / Lapsed | 1938-05-02 | 1942-03-10 | 0 | Details |
| US2218937A | Submersible structure | Expired / Lapsed | 1937-08-23 | 1940-10-22 | 0 | Details |
| US2207219A | Variable speed transmission device | Expired / Lapsed | 1935-08-12 | 1940-07-09 | 0 | Details |
| US2179933A | Variable speed transmission device | Expired / Lapsed | 1935-08-26 | 1939-11-14 | 0 | Details |
| US2164818A | Variable speed power unit | Expired / Lapsed | 1933-07-11 | 1939-07-04 | 0 | Details |