Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5056310 | Exhaust pipe for a multi-cylinder piston internal-combustion engine | Georg Donauer | 1991-10-15 |
| 5056470 | Piston-operated internal-combustion engine having wet cylinder liners | Gerd-Michael Wolters, Michael Groddeck | 1991-10-15 |
| 4961479 | Duct for the distribution of lubricating oil | Michael Groddeck | 1990-10-09 |
| 4936417 | Lubricating system which includes a splash cooling of the pistons of an internal-combustion engine | Michael Groddeck, Gerd-Michael Wolters | 1990-06-26 |
| 4807436 | Arrangement for the mounting of exhaust gas lines | Herbert Deutschmann, Gerd-Michael Wolters | 1989-02-28 |