Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6796293 | Method for starting an internal combustion engine and starter device for an internal combustion engine | Gerhard Haft, Gregor Probst, Hong Zhang | 2004-09-28 |
| 6769412 | Method for injecting fuel during the start phase of an internal combustion engine | Harry Schuele, Hong Zhang | 2004-08-03 |
| 6684629 | Method for checking the conversion capacity of a catalytic element for converting ozone | Frank Hacker, Hong Zhang | 2004-02-03 |