Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9676277 | Inverter for an electric machine and method for operating an inverter for an electric machine | Matthias Heil, Axel Haas | 2017-06-13 |
| 9362856 | Method and apparatus for operating a power output stage | — | 2016-06-07 |
| 8779707 | Inverter system for operating an electric motor | Martin Trunk, Daniel Raichle | 2014-07-15 |
| 4905524 | Measuring device for detecting a differential angle of rotation or differential torque of a rorsionally stressed machine part | Klaus Dressler, Peter Pfeffer | 1990-03-06 |
| 4591962 | Regulated power supply for rapid no-load to full-load transitions | John Sosnowski | 1986-05-27 |
| 4538219 | Multiwinding inductor and associated apparatus | David Morris | 1985-08-27 |
| 4422021 | Electric motor dynamic braking energy recuperating system | — | 1983-12-20 |
| 4301496 | Use of an inductor within a full bridge d.c.-d.c. power converter | — | 1981-11-17 |
| 4262238 | Controlled current supply circuit from a battery to a motor | Peter Pfeffer | 1981-04-14 |