Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043641 | Circuit for and method of controlling 4-phase brushless DC motors | Walter Schumbrutzki | 1991-08-27 |
| 4900968 | Electronically commutated collectorless direct-current motor | Klaus Pfendler | 1990-02-13 |
| 4841186 | Electronically commutated, collectorless directed-current motor | Klaus Pfendler | 1989-06-20 |
| 4638201 | Electronically commutated dc motor | — | 1987-01-20 |
| 4633109 | Electronically commutated, collectorless direct-current motor | — | 1986-12-30 |
| 4558245 | Electronically commutated d.c. motor | Rudolf Glasauer | 1985-12-10 |