Louis Allis Co
Louis AlliActive Patents
0
Total Holdings
12
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3210584A | Synchronous induction machine | Expired / Lapsed | 1961-04-20 | 1965-10-05 | 1 | Details |
| US3108214A | Ward-leonard motor current overload control system | Expired / Lapsed | 1960-01-11 | 1963-10-22 | 2 | Details |
| US2913607A | Synchronous induction motor | Expired / Lapsed | 1957-01-16 | 1959-11-17 | 0 | Details |
| US2864989A | Adjustable speed drive for d. c. electric motors | Expired / Lapsed | 1956-12-05 | 1958-12-16 | 0 | Details |
| US2855554A | D. c. motor speed regulator control circuit | Expired / Lapsed | 1957-02-15 | 1958-10-07 | 0 | Details |
| US2754463A | Current and torque limit circuit for electric motor | Expired / Lapsed | 1954-10-01 | 1956-07-10 | 0 | Details |
| US2368296A | Rotor construction | Expired / Lapsed | 1943-10-29 | 1945-01-30 | 0 | Details |
| US1921140A | Dynamo-electric machine rotor and alpha method of cooling t… | Expired / Lapsed | 1929-12-14 | 1933-08-08 | 0 | Details |
| US1921845A | Dynamo-electric machine | Expired / Lapsed | 1929-05-09 | 1933-08-08 | 0 | Details |
| US1814424A | Variable speed mechanism | Expired / Lapsed | 1923-09-06 | 1931-07-14 | 0 | Details |
| US1477862A | Speed controller | Expired / Lapsed | 1922-09-05 | 1923-12-18 | 0 | Details |
| US1226160A | Athletic brace for limbs. | Expired / Lapsed | 1916-03-28 | 1917-05-15 | 0 | Details |