Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315976 | Error-corrected closed-loop control system | Manfred Birk, Reinhard Fenchel, Norbert Muller, Wolf Wessel | 1994-05-31 |
| 4594993 | Device for recirculating exhaust gas in an internal combustion engine | Gerhard Engel, Wolf Wessel | 1986-06-17 |
| 4448067 | Method and apparatus for determining the injected fuel quantity in internal combustion engines | Helmut Kniss, Wolf Wessel | 1984-05-15 |