Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7331766 | Compressor | Wolfgang Ullrich | 2008-02-19 |
| 6401472 | Refrigerant compressor apparatus | Volker Pollrich, Guenter Dittrich, Wolfgang Sandkoetter | 2002-06-11 |
| 6131406 | Refrigerant compressor | Volker Pollrich | 2000-10-17 |
| D394068 | Compressor | Volker Pollrich | 1998-05-05 |