Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079572 | Device for gassing a liquid | Stefan Schaefer, Klaus Vossenkaul, Dirk Volmering | 2011-12-20 |
| 5958243 | Apparatus and method for membrane filtration with enhanced net flux | Theo A. A. Hellenkamp | 1999-09-28 |