Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404829 | Energy storage system for storing energy in a waterbody | Frederik Willem Bliek, Marijn Van Rooij | 2025-09-02 |
| 6129491 | Inflatable device with pressure limiting valve | Johannes Weide | 2000-10-10 |