Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618164 | Liquid ring compressor with plural after-cooler elements | Guenter Holzheimer, Bernd Schaeperklaus | 1997-04-08 |
| 5452990 | Foot arrangement for a liquid ring machine | Hermann Niebler | 1995-09-26 |