Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366182 | Value for an internal combustion engine and production method | Alexander Mueller, Alexander Puck, Tobias Wege | 2025-07-22 |
| 11247284 | Method for producing a hollow valve | Christoph Luven | 2022-02-15 |
| 10139222 | Method for the ultrasonic measurement of a wall thickness in hollow valves | Christoph Luven, Holger Schnell, Thomas Strelow, Richard Wlassa | 2018-11-27 |
| 9828892 | Device for producing at least one hollow valve | Christoph Luven | 2017-11-28 |
| 9611766 | Gas exchange valve of an internal combustion engine | Christoph Luven, Alexander Mueller, Alexander Puck | 2017-04-04 |
| 9382820 | Method for producing a built hollow valve | Christoph Luven, Alexander Mueller, Alexander Puck | 2016-07-05 |
| 9255559 | Metallic hollow valve | Christoph Luven, Roland Schacherer | 2016-02-09 |
| 7597078 | Camshaft | Markus Lettmann, Falk Schneider | 2009-10-06 |