Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7490835 | At least substantially metallic cylinder head gasket | Armin Diez, Tobias Gruhler | 2009-02-17 |
| 7422218 | Flat gasket and process for the production of a flat gasket | — | 2008-09-09 |
| 6957486 | Device and process for the production of gasket layers | — | 2005-10-25 |
| 6814357 | At least substantially metallic cylinder head gasket | Armin Diez, Tobias Gruhler, Karl Schmauder | 2004-11-09 |
| 6769696 | At least substantially metallic cylinder head gasket | Armin Diez, Tobias Gruhler | 2004-08-03 |
| 6722661 | Multilayer gasket | — | 2004-04-20 |
| 5497417 | Switching device for transmitting telecommunication signals | Martin Brahms, Werner Klamt | 1996-03-05 |
| 4551157 | Method for separating light additive gas in separating nozzle cascades | Erwin Becker, Wolfgang Ehrfeld, Harald Steinhaus, Peter Bley | 1985-11-05 |