Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624229 | Spiral housing for a turbomachine | Joachim Kotzur, Franz-Arno Richter | 1997-04-29 |
| 4969803 | Compressor unit | — | 1990-11-13 |
| 4723781 | Liquid sealed shaft seal | Manfred Heinen, Joachim Kotzur | 1988-02-09 |