Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840550 | Internal axis rotary piston engine with protrusions having two sealing corners | Hans Baumgartner, Ulrich Henke | 1989-06-20 |
| 4822260 | Device for controlling fluid supply to a rotary piston machine | Hans Baumgartner, Ulrich Henke, Klaus Heikrodt, Herbert Schneider | 1989-04-18 |
| 4604040 | Displacement machine having a housing and piston with spiral walls | Hans Baumgartner, Rainer Sudbeck | 1986-08-05 |
| 4531899 | Positive displacement rotary gas compressor pump | Rainer Sudbeck, Hans Baumgartner | 1985-07-30 |
| 4526521 | Rotary spiral wall pump with pivotably connected guide means and associated method | Rainer Sudbeck, Hans Baumgartner | 1985-07-02 |