Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9586165 | Air filter and filter element of an air filter | Daniel Schmid, Guenter Goerg, Timo Dirnberger, Ralf Dietz | 2017-03-07 |
| 9586167 | Flat filter element and air filter | Daniel Schmid, Guenter Goerg, Timo Dirnberger, Ralf Dietz | 2017-03-07 |
| 9586168 | Flat filter element, filter housing and air filter | Daniel Schmid, Guenter Goerg, Timo Dirnberger, Ralf Dietz | 2017-03-07 |