Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10174712 | Piston for an internal combustion engine | Rainer Scharp | 2019-01-08 |
| 9869269 | Piston for an internal combustion engine | Rainer Scharp | 2018-01-16 |
| 9771891 | Piston for an internal combustion engine | Rainer Scharp | 2017-09-26 |
| 9726223 | Method for the production of a connecting rod for an internal combustion engine | Klaus Keller | 2017-08-08 |
| 9242317 | Method for the production of a piston for an internal combustion engine | Rainer Scharp, Michael Ullrich | 2016-01-26 |
| 8695560 | Piston for an internal combustion engine | Wolfgang Issler | 2014-04-15 |
| 8671905 | Piston for an internal combustion engine and method for its production | Rainer Scharp, Michael Ullrich | 2014-03-18 |
| 8434400 | Piston for an internal combustion engine | Carmen Klusch, Rainer Scharp | 2013-05-07 |
| 8205591 | Piston for an internal combustion engine | — | 2012-06-26 |
| 8181623 | Piston for an internal combustion engine | Klaus Keller | 2012-05-22 |
| 7533649 | Piston for an internal combustion engine | Alexander Grössle | 2009-05-19 |
| 7464684 | Composite piston for an internal combustion engine | Rainer Scharp | 2008-12-16 |
| 6763758 | Multi-part cooled piston for an internal combustion engine | Dieter Messmer | 2004-07-20 |
| 6722263 | Bottom covering of a cooling chamber for pistons of internal combustion engines | Klaus Keller, Roland Lochmann | 2004-04-20 |
| 6698391 | Multipart cooled piston for a combustion engine | — | 2004-03-02 |
| 6698392 | Single-part cooling channel piston for a combustion engine | Hans-Jurgen Kohnert | 2004-03-02 |
| 6202619 | Piston with a central cooling chamber | Klaus Keller, Carmen Klusch | 2001-03-20 |
| 6048126 | Mushroom-type pin retainer | Klaus Keller | 2000-04-11 |
| 6026777 | Piston having a barrel of forged steel and a cooling channel | Michael Ullrich | 2000-02-22 |
| 5778533 | Method of producing a one-part cooling duct piston | — | 1998-07-14 |
| 5357920 | Cooled multi-component piston for internal combustion engines | Gotthard Stuska, Wolfgang Bierkant | 1994-10-25 |
| 5261363 | Piston with separate head and skirt | — | 1993-11-16 |
| 5113817 | Piston with specific land characteristics | Michael Ullrich, Hanspeter Wieland | 1992-05-19 |
| 5081967 | Piston with separate head and skirt | Emil Ripberger | 1992-01-21 |