Issued Patents All Time
Showing 1–25 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12037091 | System for anti-biofouling | Roelant Boudewijn Hietbrink | 2024-07-16 |
| 11679423 | Integrated system for real-time anti-fouling and biofouling monitoring | Elvira Johanna Maria Paulussen, Hermanus Borg, Roelant Boudewijn Hietbrink, Eduard Matheus Johannes Niessen | 2023-06-20 |
| 11655009 | Light emitting device, comprising light emitting units being arranged in a plane filling pattern | Roelant Boudewijn Hietbrink, Michael Maria Johannes van Lierop | 2023-05-23 |
| 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 |
| 11179756 | Light emitting arrangement for anti-fouling of a protected surface | Hugo Johan Cornelissen, Roelant Boudewijn Hietbrink | 2021-11-23 |
| 11137518 | Marine cable device adapted for the prevention of fouling | Roelant Boudewijn Hietbrink | 2021-10-05 |
| 11135625 | System for anti-biofouling | — | 2021-10-05 |
| 11090697 | Method and device for biofouling prevention on vessels by means of UV radiation and surface modification | Esther Anna Wilhelmina Gerarda Janssen, Roelant Boudewijn Hietbrink | 2021-08-17 |
| 11090401 | Safety improvement for UV applications by monitoring changes in UV outcoupling | — | 2021-08-17 |
| 10967940 | UV LED waveguide system with scattering for anti-fouling | Elvira Johanna Maria Paulussen, Hugo Johan Cornelissen | 2021-04-06 |
| 10928143 | Cooling apparatus for cooling a fluid by means of surface water | Roelant Boudewijn Hietbrink | 2021-02-23 |
| 10906616 | Light guides with coating to be used in water | Roelant Boudewijn Hietbrink, Willem-Jan Arend DE WIJS | 2021-02-02 |
| 10816269 | Assembly comprising an object having a surface which is intended to be exposed to water and an anti-fouling protector arrangement | Roelant Boudewijn Hietbrink, Johannes Antonius KROEZE | 2020-10-27 |
| 10793236 | Safety improvements for UV radiation in aquatic applications | Roelant Boudewijn Hietbrink | 2020-10-06 |
| 10792714 | Light emitting arrangement and method for anti-fouling of a protected surface | Roelant Boudewijn Hietbrink | 2020-10-06 |
| 10780466 | Method and device for biofouling prevention on vessels by means of UV radiation and surface modification | Esther Anna Wilhelmina Gerarda Janssen, Roelant Boudewijn Hietbrink | 2020-09-22 |
| 10766580 | Method and system for preventing fouling of surfaces | Roelant Boudewijn Hietbrink, Ivo Wilhelmus Johannes Marie Rutten, Hendrik Van Houten | 2020-09-08 |
| 10758871 | Assembly for use at an area for allowing a fluid to pass therethrough | Roelant Boudewijn Hietbrink, Esther Anna Wilhelmina Gerarda Janssen, Cornelis Gerardus Visser | 2020-09-01 |
| 10730594 | Water lock to prevent water ingress | Esther Anna Wilhelmina Gerarda Janssen, Roelant Boudewijn Hietbrink, Cornelis Gerardus Visser | 2020-08-04 |