Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781657 | 3-2 way expansion valve | Daniel Zens, Toni Spies, Marc Graaf, Dominik Wiechard, Markus Herzog | 2023-10-10 |
| 9683671 | Valve block assembly for several valves | Marc Graaf | 2017-06-20 |
| 9441741 | Ball valve having an external seal arrangement, particularly for use in motor vehicle refrigerant circuits | — | 2016-09-13 |