Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8539926 | Piston, cylinder and piston assembly and piston ring for a piston | Karlheinz Langner | 2013-09-24 |
| 5979391 | Cast light metal piston for a two-stroke engine | Joachim Schmidt, Udo Buschkamp | 1999-11-09 |
| 4704950 | Plunger piston for internal combustion engines | Emil Ripberger, Gotthard Stuska | 1987-11-10 |