Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8430078 | Fuel injection valve | Joerg Heyse, Wilhelm Hopf, Juergen Lander | 2013-04-30 |
| 6755347 | Method for adjusting the amount of flow at a fuel injection valve | — | 2004-06-29 |
| 6173914 | Valve and method for producing a valve seat for a valve | Wilhelm Hopf | 2001-01-16 |
| 6168099 | Method and device for producing a perforated disc for an injector valve, perforated disc for an injector valve and injector valve | Wilhelm Hopf, Kurt Schreier, Siegfried Goppert, Kurt Schraudner, Henning Teiwes +1 more | 2001-01-02 |