Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8662036 | Method for operating an internal combustion engine having a variable valve drive | Jens Kühlmeyer, Paul Gnegel | 2014-03-04 |
| 7810329 | Dual-charged internal combustion engine and method for operating the same | Marc-Jochen Schweizer, Manfred Kloft | 2010-10-12 |