Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568921 | Refrigerant compressor | — | 2003-05-27 |
| 6401472 | Refrigerant compressor apparatus | Volker Pollrich, Helmut Barowsky, Wolfgang Sandkoetter | 2002-06-11 |
| 6325175 | Shaft seal for a refrigerant compressor | Volker Pollrich | 2001-12-04 |