Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5015902 | Multiphase synchronous permanent magnet electric machine | — | 1991-05-14 |
| 4677331 | Synchronous electrical machine with permanent magnet excitation | — | 1987-06-30 |
| 4516912 | Compressor arrangement for a heat pump installation | Siegfried Schonwald | 1985-05-14 |
| 4494049 | Commutating device for an electric motor supplied from a d-c voltage source | — | 1985-01-15 |
| 4394582 | Method and apparatus for utilizing the waste heat energy of an internal combustion engine | Ottmar Kreissl, Josef Schurrer, Karl-Hermann Motz, Heinz Rosenberg | 1983-07-19 |