Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11365823 | Valve with temperature compensation | Ralf Heinrich, Daniel Koch, Diether Hoppner | 2022-06-21 |
| 9863379 | Valve for regeneration in turbocharger operation | Ralf Heinrich, Joerg Bittner, Volker Daume | 2018-01-09 |