Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8968131 | Chain for a timing drive or an assembly drive of a drive device of a motor vehicle | Antonius Luering, Klaus Hahn | 2015-03-03 |
| 8863715 | Internal combustion engine having two lubricating chambers separated from one another in a fluid-tight manner | Lajos Farkas, Klaus Hahn | 2014-10-21 |
| 8407978 | Method for producing a control chain | Klaus Hahn | 2013-04-02 |
| 8267822 | Wrap-around drive | Michael Bogner, Roman Kern | 2012-09-18 |
| 7850559 | Hydraulic tensioning system | Lucian Botez, Brandon Glass | 2010-12-14 |
| 7220196 | Chain drive for an internal combustion engine | Thomas Ullein, Jeff Hewitt | 2007-05-22 |
| 7108621 | Chain tensioner | Thomas Ullein | 2006-09-19 |
| 6336882 | Chain wheel with damping | Thomas Ullein | 2002-01-08 |
| 6193623 | Tensioner with improved damping device | Reinhard Koch, Thomas Ullein | 2001-02-27 |
| 5967922 | Tensioning device for a control gear | Thomas Ullein | 1999-10-19 |
| 4985009 | Tensioning device for chain or belt drives | Dieter Schmidt | 1991-01-15 |
| 4876994 | Hydraulic play compensation element | Walter Speil, Dieter Schmidt | 1989-10-31 |