Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4763058 | Method and apparatus for determining the flux angle of rotating field machine or for position-oriented operation of the machine | Hans-Dieter Heining | 1988-08-09 |
| 4488215 | Method and apparatus for controlling the load current of a pulsed frequency converter | Gerhard Pfaff | 1984-12-11 |
| 4480301 | Method and apparatus for controlling a pulsed frequency converter | Gerhard Pfaff | 1984-10-30 |