Issued Patents 2022
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524754 | Light guides with low refractive coating to be used in water | Abraham Rudolf Balkenende, Roelant Boudewijn Hietbrink, Willem-Jan Arend DE WIJS | 2022-12-13 |
| 11480399 | Cooling apparatus for cooling a fluid by means of surface water | Roelant Boudewijn Hietbrink | 2022-10-25 |
| 11471921 | Cooling apparatus for cooling a fluid by means of surface water | Roelant Boudewijn Hietbrink | 2022-10-18 |
| 11370673 | Assembly comprising at least two elements in a movable arrangement relative to each other and an anti-fouling system | Roelant Boudewijn Hietbrink | 2022-06-28 |
| 11344928 | Safety improvements for UV radiation in aquatic applications | Roelant Boudewijn Hietbrink | 2022-05-31 |
| 11305851 | Method and system for preventing fouling of surfaces | Roelant Boudewijn Hietbrink, Ivo Wilhelmus Johannes Marie Rutten, Hendrik Van Houten | 2022-04-19 |
| 11299244 | UV LED waveguide system with scattering for anti-fouling | Elvira Johanna Maria Paulussen, Hugo Johan Cornelissen | 2022-04-12 |