Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520133 | Thermodynamic engine | Michael Hoetger, Tobias Haas, Gunnar Freitag, Michael Preis, Raymond Freymann +1 more | 2009-04-21 |
| 7464550 | Vehicle with combustion engine and auxiliary power unit | Michael Hoetger, Detlef Wusthoff | 2008-12-16 |
| 7104063 | Device for producing mechanical energy | — | 2006-09-12 |
| 6508060 | Steam motor | Michael Hoetger | 2003-01-21 |
| 5671607 | Compression refrigeration machine | Ulrich Plantikow, Detlef Wusthoff | 1997-09-30 |