Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7213399 | Refrigerator comprising a regenerator | Holger Dietz, Heinz-Josef Dubbelfeld, Jiri Melichar, Axel Persch, Mario Pietrangeli +2 more | 2007-05-08 |
| 5638684 | Stirling engine with injection of heat transfer medium | Kai Schiefelbein | 1997-06-17 |