Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D890047 | Brake dust filter | Lukas Bock, Thomas Jessberger, Volker Kuemmerling, Lisa Buerkle, Markus Hanselmann +2 more | 2020-07-14 |
| 8501002 | Exchangeable filter insert | Kai Knickmann, Ralf Blum, Wolfgang Cedzich, Andreas Franz, Roland Hartmann +10 more | 2013-08-06 |