Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6932032 | Two-stroke engine | Andreas Lingen, Matthias Hehnke, Joachim Baumhauer, Andreas Bähner, Michael Joos +1 more | 2005-08-23 |
| 6293981 | Arrangement of an air filter and a membrane carburetor | Stefan Kummermehr, Johannes Menzel, Helmut Zimmermann, Bernd Knodler, Horst Denner | 2001-09-25 |
| 6149139 | Membrane carburetor for a portable handheld work apparatus | — | 2000-11-21 |
| 4903655 | Membrane fuel pump with pulse dampener | Werner Vonderau, Armin Speckens, Jurgen Wolf, Roger Larry Simons | 1990-02-27 |
| 4861522 | Carburetor for an internal combustion engine | Reinhard Gerhardy, Jurgen Wolf, Werner Vonderau | 1989-08-29 |
| 4711225 | Connecting piece between the carburetor and the combustion chamber of an internal combustion engine | Jurgen Wolf, Horst Eckhart, Werner Vonderau | 1987-12-08 |