Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7588615 | Filter element with drainage tube | Eric Gillenberg, Wolfgang Heikamp, Melanie Hirsch, Otto Eppel, Sandra Poelloth | 2009-09-15 |
| 6256851 | Arrangement for shaping a helical tube | Gerd Goedelmann, Bernhard Staudenmayer, Lothar Keller | 2001-07-10 |