Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7770291 | Internal combustion engine component and method for the production thereof | Jürgen Claus, Roberto De Zolt, Wolf Saeltzer | 2010-08-10 |
| 7013858 | Method for the production of a valve seat | Juergen Claus, Harald Pfeffinger | 2006-03-21 |
| 6397464 | Method for producing a valve seat | Harald Pfeffinger, Heiko Hinderer | 2002-06-04 |