Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921602 | Fuel cell unit | Michael Lang | 2005-07-26 |
| 6875533 | Fuel cell unit and composite block of fuel cells | — | 2005-04-05 |
| 6814357 | At least substantially metallic cylinder head gasket | Tobias Gruhler, Wolfgang Fritz, Karl Schmauder | 2004-11-09 |
| 6769696 | At least substantially metallic cylinder head gasket | Tobias Gruhler, Wolfgang Fritz | 2004-08-03 |
| 6670068 | Fuel cell unit, composite block of fuel cells and method for manufacturing a composite block of fuel cells | — | 2003-12-30 |
| 6450504 | Cylinder head gasket | Michael Bleidt, Frank Schmucker | 2002-09-17 |
| 6343795 | Flat gasket | Hans-Rainer Zerfass, Thomas Anhorn, Peter Schenk, Matthias Baur, Victor Winkovic | 2002-02-05 |
| 6250644 | Cylinder head gasket | Ulrich Staib, Peter Schweizer, Martin Biedermann | 2001-06-26 |
| 6148516 | Metallic cylinder head gasket | Hermann Randecker | 2000-11-21 |
| 5927724 | Cylinder head gasket | Siegfried Maschmann, Kurt Schwenkel | 1999-07-27 |
| 5875548 | Method of making a metallic cylinder head gasket | Hermann Randecker | 1999-03-02 |
| 5863046 | Cylinder head gasket with deformable deformation limiter | Ulrich Werz, Eberhard Griesinger | 1999-01-26 |
| 5695200 | Metallic cylinder head gasket with rounded deformation limiter | Hermann Randecker | 1997-12-09 |