Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |