Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8336359 | Method for selectively forming (plastic working) at least one region of a sheet metal layer made from a sheet of spring steel, and a device for carrying out this method | — | 2012-12-25 |
| 8328203 | Sealing system for exhaust-gas lines | Wilhelm Kullen, Martin Kehr | 2012-12-11 |
| 7997585 | Cylinder head gasket | Armin Diez | 2011-08-16 |
| 7913386 | Method of manufacturing a flat gasket | Tobias Gruhler, Peter Schenk, Wolfgang Fritz, Willi Brodbeck, Matthias Baur | 2011-03-29 |
| 7311310 | Cylinder head gasket | Armin Diez, Tobias Gruhler, Peter Schenk | 2007-12-25 |
| 6926282 | Cylinder head gasket | Frank Schmucker | 2005-08-09 |
| 5863046 | Cylinder head gasket with deformable deformation limiter | Armin Diez, Eberhard Griesinger | 1999-01-26 |