Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542822 | Liquid ring pump and separator container assembly | Manfred Stretz, Gunter Holzheimer | 1996-08-06 |
| 5511953 | Mechanical compressor system | Gunter Holzheimer, Manfred Stretz | 1996-04-30 |
| 4842486 | Method and apparatus for increasing the operating efficiency of a liquid-flow machine | — | 1989-06-27 |