Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079572 | Device for gassing a liquid | Stefan Schaefer, Dirk Volmering, Darren Lawrence | 2011-12-20 |
| 7931805 | Membrane filter unit and method for the production of the membrane filter unit | Stefan Schafer, Christoph Kullmann, Andreas Kruse | 2011-04-26 |