Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233280 | Variable speed multi-phase motor powered via a converter | — | 1993-08-03 |
| 4772842 | Drive arrangement with a three-phase motor | — | 1988-09-20 |
| 4672289 | Circuit configuration incorporating an A.C.-fed load connected in series with a capacitor unit | Emil Sturm | 1987-06-09 |
| 4672290 | Circuit arrangement in which a capacitor unit is connected in series with an a.c. load | Emil Sturm | 1987-06-09 |
| 4417192 | Sectional motor starting winding circuit for three-phase motors | — | 1983-11-22 |