Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7681564 | Vehicle piston internal combustion engine comprising an adapted recess | Bertold Hüchtebrock | 2010-03-23 |
| 6298825 | Method for igniting a multi-cylinder reciprocating gas engine by injecting an ignition gas | Patrick Hupperich | 2001-10-09 |
| 6129066 | Engine piston having a gas turbulence generating surface | — | 2000-10-10 |