Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8182686 | Hollow fiber membrane separation device | Friedrich Witthaus | 2012-05-22 |
| 7713412 | Filter device | Klaus Heilmann, Igor Raiko, Roland Sander, Steffen Fritzsche | 2010-05-11 |
| 6858137 | Filter module having a closure element | Uwe Hahmann, Christian Sauerwald, Klaus Heilmann, Steffen Fritzsche | 2005-02-22 |
| 6641731 | Filter device | Klaus Heilmann, Igor Raiko, Roland Sander, Steffen Fritzsche | 2003-11-04 |
| 6419825 | Closure element | Uwe Hahmann, Christian Sauerwald, Klaus Heilmann, Steffen Fritzsche, Igor Raiko | 2002-07-16 |