Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735674 | Liquid-ring gas pump | Udo Segebrecht | 1998-04-07 |
| 5509789 | Liquid ring pump having a sheet metal working chamber casing | Udo Segebrecht | 1996-04-23 |
| 5489195 | Liquid ring pump having a sheet metal valve plate | Siegfried Auschrat | 1996-02-06 |