Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817335 | Cover plate for a crankcase | Michael Groddeck, Michael Hartmann, Juergen Giesselmann | 2004-11-16 |
| 6253725 | Crankcase and method of making same | Michael Groddeck, Michael Hartmann | 2001-07-03 |
| 6237569 | Fuel injection system for an internal combustion engine with a common rail | Christian-Paul Stelzer, Juergen Giesselmann, Werner Leicht | 2001-05-29 |
| 5394854 | Cooling system for a supercharged internal-combustion engine | Gunther Kiefer | 1995-03-07 |
| 4204848 | Air filter installation | Robert Schulmeister, Gunther Kiefer | 1980-05-27 |