Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973777 | System and method for monitoring the feeding of secondary air into the exhaust as of an internal combustion engine | Frank Hacker, Hong Zhang | 2005-12-13 |
| 6880531 | Method for injecting fuel during the starting phase of an internal combustion engine | Steffen Gessner, Harry Schüle | 2005-04-19 |
| 6877354 | Method for balancing ozone sensors | Frank Hacker, Hong Zhang | 2005-04-12 |