Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5769609 | Liquid ring compressor having a distribution groove for sealing | Goerg Plescher, Bernhard Tews | 1998-06-23 |
| 5647728 | Liquid ring machine having pivoted outer housing | Hans Kuhn, Bernhard Tews | 1997-07-15 |
| 5639221 | Liquid ring compressor with side shield located inlet separator | — | 1997-06-17 |
| 5401141 | Multiple-flow liquid ring pump | — | 1995-03-28 |
| 5211543 | Liquid-ring pump with pressure chamber valve plate | Peter Trimborn | 1993-05-18 |