Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7743745 | Multipart, cooled piston for a combustion engine | — | 2010-06-29 |
| 7685710 | Method for producing a piston for an internal combustion engine | — | 2010-03-30 |
| 7628134 | Piston for an internal combustion engine | — | 2009-12-08 |
| 7600465 | Piston for an internal combustion engine | — | 2009-10-13 |
| 7584694 | Composite piston for an internal combustion engine | — | 2009-09-08 |
| 7464684 | Composite piston for an internal combustion engine | Peter Kemnitz | 2008-12-16 |
| 7415959 | Cooling channel cover for a piston of an internal combustion engine | — | 2008-08-26 |
| 7409903 | One-piece piston for an internal combustion engine | — | 2008-08-12 |
| 7387100 | Piston for an internal combustion engine and cover ring for the cooling channel of the piston | Rolf-Gerhard Fiedler, Hans-Peter Wieland | 2008-06-17 |
| 7308850 | Piston for combustion engine | — | 2007-12-18 |
| 7302927 | Two-part piston for an internal combustion engine | — | 2007-12-04 |
| 6957638 | Piston for an internal combustion engine | — | 2005-10-25 |
| 6938603 | Method for the production of a one-piece piston for an internal combustion engine | — | 2005-09-06 |
| 6938537 | Piston for an internal combustion engine | — | 2005-09-06 |
| 6772846 | Method for drilling shaker bores into the cooling channel of a single-part piston | — | 2004-08-10 |
| 6729291 | Multipart cooled piston for an internal combustion engine | Dieter Messmer | 2004-05-04 |
| 6487773 | Method of making one-piece piston | Jochen Ernst Danner | 2002-12-03 |