Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8741016 | Filter device | Yassine Maaradji, Jens Hähn, Jan Zink, Joachim Stinzendörfer, Stefan Becker +9 more | 2014-06-03 |
| 7658777 | Filter element and filter system for the intake air of an internal combustion engine | Edvard Kopec, Klaus-Dieter Ruhland, Oliver Steins | 2010-02-09 |
| 6953124 | Filter element with end face inlets and discharge outlets | Manfred Winter, Guenter Goerg | 2005-10-11 |
| 6645379 | Filter element with a filter medium applied to a support body | Peter Gohle, André Roesgen, Christian Thalmann, Holger Stahl | 2003-11-11 |