Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8409311 | Filtering device | Thomas Jessberger, Markus Hanselmann, Klaus Waltenberg, Stefan Walz, Jobst Eisengräber-Pabst +6 more | 2013-04-02 |
| 7637974 | Active carbon coated filter element for preventing the leaking of hydrocarbons | Guenther Scholz, Heinz Daubner, Johann Rackerseder, Reinhold Lebherz, Frank Pfeiffer +3 more | 2009-12-29 |
| 6647941 | Air-routing system, especially a suction system of an internal combustion engine | Christof Baumann, Werner Blossey, Hans-Peter Hielscher, Thomas Jessberger, Herbert Pietrowski +1 more | 2003-11-18 |
| 6598580 | Insert filter | Christoph Baumann, Timo Dirnberger, Steffen Holtz, Daniel Hoppmann, Ulrich Huengsberg +5 more | 2003-07-29 |
| 6474284 | Air-routing system, especially a suction system of an internal combustion engine | Christof Baumann, Werner Blossey, Hans-Peter Hielscher, Thomas Jessberger, Herbert Pietrowski +1 more | 2002-11-05 |
| 6162271 | Filter with housing | Alfred Bullinger, Michael L. Leonhardt | 2000-12-19 |