Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9945338 | Method for operating a fuel injection system with pressure reduction, and a fuel injection system comprising a fuel injection valve with a servo valve | Hong Zhang | 2018-04-17 |
| 6109245 | Apparatus and method for driving a piezoelectrically controlled fuel injection valve | Klaus Egger, Christian Hoffmann, Wendelin Klugl, Hellmut Freudenberg | 2000-08-29 |
| 5974789 | Method and device for decomposing nitrogen oxides in the exhaust gas of an internal combustion engine | Wieland Mathes, Lothar Hofmann, Erwin Achleitner, Rainer Tost | 1999-11-02 |