Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062404 | Filter insert | Daniel Volkmer, Jorg Meier, Maximilian Grad, Markus Weindl, Micha Ammersdörfer +1 more | 2011-11-22 |
| 7637974 | Active carbon coated filter element for preventing the leaking of hydrocarbons | Hans-Peter Scholl, Guenther Scholz, Heinz Daubner, Reinhold Lebherz, Frank Pfeiffer +3 more | 2009-12-29 |