Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749657 | Filter system | Uwe Felber, Bjorn Boschert, Christoph Malig, Tilo Rinckleb | 2004-06-15 |
| 6454826 | Filter cartridge | Jurgen Fath | 2002-09-24 |
| 6267796 | Filter assembly with a double sealing lip | — | 2001-07-31 |