Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9581112 | Air filter arrangement having a carburetor | Karl-David Hermann, Frederik Herrmann | 2017-02-28 |
| 8851262 | Coupling device actuated by centrifugal force | Bernd Engel | 2014-10-07 |
| 8000879 | Method for operating a two-stroke engine | Claus Naegele, Georg Maier | 2011-08-16 |
| 7730857 | Internal combustion engine with air filter shield preventing soiling | Werner Geyer, Björn Scherraus | 2010-06-08 |
| 7513225 | Internal combustion engine | Werner Geyer, Björn Scherraus, Patrick Schlauch, Jurgen Haberlein, Erik Ames | 2009-04-07 |
| 7201120 | Two-cycle engine | Werner Geyer | 2007-04-10 |