Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735674 | Liquid-ring gas pump | Klaus Domagalla | 1998-04-07 |
| 5509789 | Liquid ring pump having a sheet metal working chamber casing | Klaus Domagalla | 1996-04-23 |
| 4710105 | Liquid-ring compressor unit | Siegfried Auschrat | 1987-12-01 |
| 4632649 | Gas jet pump | Siegfried Auschrat | 1986-12-30 |