Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699570 | Vacuum pump system | — | 1987-10-13 |
| 4692101 | Liquid ring vacuum pump arrangement having minimized operating liquid consumption | Werner Fink | 1987-09-08 |
| 4655688 | Control for liquid ring vacuum pumps | Werner Fink, Reinhold Luhmann | 1987-04-07 |