Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8376147 | Filter cartridge | Ingo Mohr, Klaus-Peter Weber, Jorg Lindloff | 2013-02-19 |
| 6841067 | Filtration device for liquids | Uwe Hofmann, Detlev Weyrauch | 2005-01-11 |
| D487914 | Filter element | Andreas Schulze, Jurgen Malsy | 2004-03-30 |