Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082839 | One-piece steel piston | — | 2011-12-27 |
| 7918022 | Method of producing a cooling channel piston for an internal combustion engine | — | 2011-04-05 |
| 7104183 | One-piece steel piston | — | 2006-09-12 |
| 6763757 | Process for manufacturing a one-piece cooling-channel piston | Hartmut Kamp, Volker Gniesmer | 2004-07-20 |