Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8628266 | Knife with integrated dispenser | — | 2014-01-14 |
| 7285190 | Corrosion guard | — | 2007-10-23 |
| 6499386 | Liquid-cooled piston | Stephan Thieme | 2002-12-31 |
| 5890416 | Liquid-cooled piston | Stephan Thieme | 1999-04-06 |
| 5845611 | Liquid-cooled piston for internal combustion engines | Erwin Schmidt, Siegfried Sumser | 1998-12-08 |
| 4787295 | Piston for internal combustion engines | Karl-Heinz Obermeier-Wagner, Gerhard Bohm | 1988-11-29 |