Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7128092 | Separating arrangement for treatment of fluids | John Stark, Hansjorg Wagenbach | 2006-10-31 |
| 6701960 | Double cone for generation of a pressure difference | John Stark, Hansjorg Wagenbach | 2004-03-09 |
| 4792284 | Device for creating and exploiting a pressure difference and the technical application thereof | John Stark, Michel Vermot | 1988-12-20 |