Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7077080 | Hydraulic synchronizing coupler for a free piston engine | Joachim Schmuecker, Ing Gunter Guerich, Herman-Josef Laumen, Kevin B. Fuqua | 2006-07-18 |
| 7032548 | Piston guides for a free piston engine | — | 2006-04-25 |
| 6973898 | Piston stopper for a free piston engine | Lixin Peng, Peter Hofbauer | 2005-12-13 |
| 6941904 | Air scavenging for an opposed piston opposed cylinder free piston engine | Ing. Peter Hofbauer, Lixin Peng, Kevin B. Fuqua | 2005-09-13 |
| 6904876 | Sodium cooled pistons for a free piston engine | Peter Hofbauer | 2005-06-14 |