| 8950375 |
Piston for an internal combustion engine |
Peter Grahle, Joachim Schulz, Andreas Seeger-Van Nie |
2015-02-10 |
| 8074617 |
Piston for an internal combustion engine and method for its production |
Peter Grahle, Joachim Schulz, Andreas Seeger-Van Nie |
2011-12-13 |
| 8011095 |
Method for producing a piston for an internal combustion engine |
— |
2011-09-06 |
| 6877473 |
Diesel engine piston |
Ulrich Bischofberger, Michael Ullrich |
2005-04-12 |
| 6622613 |
Multipiece piston |
Jochen Kortas, Stefan Lipp |
2003-09-23 |
| 4739738 |
Cast components for internal combustion engines with embedded reinforcing layers |
Siegfried Mielke |
1988-04-26 |
| 4711208 |
Piston for internal combustion engines |
Siegfried Mielke |
1987-12-08 |
| 4691622 |
Light alloy piston |
Gunder Essig, Erich Wacker |
1987-09-08 |
| 4683808 |
Light alloy piston for internal combustion engines |
Erich Wacker, Ulrich Landau, Klaus Schellmann |
1987-08-04 |
| 4658706 |
Cast light metal component for internal combustion engines |
Siegfried Mielke, Dieter Eschenweck |
1987-04-21 |
| 4524707 |
Device for feeding and sewing a trimming ribbon to a garment part |
— |
1985-06-25 |
| 4495684 |
Process of joining a ceramic insert which is adapted to be embedded in a light metal casting for use in internal combustion engines |
Siegfried Mielke |
1985-01-29 |