Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9835036 | Compressor wheel | Christian Holzschuh, Andreas Haas, Christian Peschke | 2017-12-05 |
| 7941922 | Method of manufacturing a lightweight valve | Holger Stark | 2011-05-17 |
| 7905468 | Lightweight valve | Holger Stark | 2011-03-15 |
| 7862007 | Lightweight valve | Holger Stark | 2011-01-04 |
| 7552911 | Multipart composite valve for an internal combustion engine | Holger Stark | 2009-06-30 |
| 7513107 | Air supply device for an internal combustion engine | Hans-Georg Lehmann, Holger Stark | 2009-04-07 |
| 7438529 | Compressor and turbine wheel for a secondary air feed device | Peter Fledersbacher, Hans-Georg Lehmann, Holger Stark | 2008-10-21 |
| 7260929 | Secondary air deliver device for an internal combustion engine | Hans-Georg Lehmann, Holger Stark | 2007-08-28 |
| 6938602 | Multi-piece valve for reciprocating piston engines | Jens Meintschel, Thomas Stolk, Karl-Heinz Thiemann, Alexander Gaisberg-Helfenberg, Paval Hora | 2005-09-06 |
| 6553956 | Composite lightweight valve for internal combustion engines | Pavel Hora, Karl-Heinz Thiemann | 2003-04-29 |
| 6523343 | Air gap insulated exhaust manifold assembly for an internal combustion engine and a method of making same | Gerd Durr, Johann Kramer, Gerd Tiefenbacher | 2003-02-25 |
| 5398916 | Shape-memory metallic alloy damping body | Johann Kramer, Rainer Renz | 1995-03-21 |