Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619725 | Intermediate plate and control unit | Jochen Schoellhammer, Thomas Anhorn, Klaus Detmann | 2020-04-14 |
| 7086651 | Method for applying a projection to a metal layer of a cylinder-head gasket, and cylinder-head gasket | Hans-Rainer Zerfass | 2006-08-08 |
| 6708982 | Method for applying a projection to a metal layer of a cylinder-head gasket, and cylinder-head gasket | Hans-Rainer Zerfass | 2004-03-23 |