Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7789926 | Axial flow filter element | Mario Rieger, Lorenz Eilert | 2010-09-07 |
| 7708796 | Axial flow filter element | Mario Rieger | 2010-05-04 |
| 6647941 | Air-routing system, especially a suction system of an internal combustion engine | Christof Baumann, Hans-Peter Hielscher, Thomas Jessberger, Herbert Pietrowski, Achim Rehmann +1 more | 2003-11-18 |
| 6599342 | Filter cartridge | Heinz Andress, Helmut Luka, Bertram Uebelhoer, Gerhard Mayer | 2003-07-29 |
| 6474284 | Air-routing system, especially a suction system of an internal combustion engine | Christof Baumann, Hans-Peter Hielscher, Thomas Jessberger, Herbert Pietrowski, Achim Rehmann +1 more | 2002-11-05 |