Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6931845 | Free piston engine | — | 2005-08-23 |
| 6887045 | Hydraulic transformer | — | 2005-05-03 |
| 6863507 | Generic free-piston engine with transformer valve assembly for reducing throttling losses | Joerg Dantlgraber | 2005-03-08 |