Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434437 | Valve drive system | Stefan Gemein, Arne Manteufel | 2013-05-07 |
| 8240285 | Switchable cup tappet | Sandra Schaefer, Lothar von Schimonsky, Norbert Nitz, Mario Kuhl, Michael Haas | 2012-08-14 |
| 8161929 | Switchable tappet | Mario Kuhl, Lothar von Schimonsky, Norbert Nitz, Sandra Schäfer | 2012-04-24 |
| 8001940 | Switchable bucket tappet | Peter Sailer, Mario Kuhl, Sandra Schaefer | 2011-08-23 |