Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12152732 | Tank device for temperature pressure relief in a fuel cell tank | Hans-Arndt Freudigmann, Olaf Ohlhafer | 2024-11-26 |
| 12104700 | Shut-off valve for a pressurized-gas vessel, pressurized-gas vessel | Olaf Ohlhafer, Hans-Arndt Freudigmann | 2024-10-01 |