Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8501002 | Exchangeable filter insert | Kai Knickmann, Ralf Blum, Andreas Franz, Roland Hartmann, Herbert Jainek +10 more | 2013-08-06 |
| 7862639 | Intake filter for an internal combustion engine of a motor vehicle | Nikolaus Moser, Andreas Franz, Birgit Schimpf, Joerg Hammerschick, Klaus Waltenberg +10 more | 2011-01-04 |