Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10668995 | Method and system for preventing fouling of surfaces | Roelant Boudewijn Hietbrink, Ivo Wilhelmus Johannes Marie Rutten, Hendrik Van Houten | 2020-06-02 |
| 10618613 | Dithered marine UV reflective coating with color | — | 2020-04-14 |
| 10618614 | Vessel having a compartment for containing water | Roelant Boudewijn Hietbrink, Esther Anna Wilhelmina Gerarda Janssen, Cornelis Gerardus Visser | 2020-04-14 |
| 10557968 | Marine cable device adapted for the prevention of fouling | Roelant Boudewijn Hietbrink | 2020-02-11 |
| 10556651 | System for anti-biofouling | Roelant Boudewijn Hietbrink | 2020-02-11 |
| 10549831 | Device having surfaces and an anti-biofouling system comprising at least one anti-biofouling light source for emitting rays of anti-biofouling light | Roelant Boudewijn Hietbrink | 2020-02-04 |
| 10407141 | Vessel having a compartment for containing water | Roelant Boudewijn Hietbrink, Esther Anna Wilhelmina Gerarda Janssen, Cornelis Gerardus Visser | 2019-09-10 |
| 10364002 | Water lock to prevent water ingress | Esther Anna Wilhelmina Gerarda Janssen, Roelant Boudewijn Hietbrink, Cornelis Gerardus Visser | 2019-07-30 |
| 10330389 | Cooling apparatus for cooling a fluid by means of surface water | Johannes Antonius KROEZE, Roelant Boudewijn Hietbrink | 2019-06-25 |
| 10316732 | Assembly comprising a wet compartment and at least one anti-fouling energy source | — | 2019-06-11 |
| 10252783 | Safety improvements for UV radiation in aquatic applications | Roelant Boudewijn Hietbrink | 2019-04-09 |
| 10234207 | Cooling apparatus for cooling a fluid by means of surface water | Roelant Boudewijn Hietbrink | 2019-03-19 |
| 10234117 | Stadium lighting aiming system and method | HARRY BROERS, RUBEN RAJAGOPALAN, Wei Pien Lee, Chris Damkat | 2019-03-19 |
| 10228199 | Cooling apparatus for cooling a fluid by means of surface water | Roelant Boudewijn Hietbrink | 2019-03-12 |
| 10040525 | Anti-fouling system using energy harvested from salt water | Adrianus Sempel | 2018-08-07 |
| 9813695 | Display device with free focus capability | Bart Kroon, Marcellinus Petrus Carolus Michael Krijn, Frederik Jan De Bruijn, Mark Thomas Johnson, Philip Steven Newton +2 more | 2017-11-07 |
| 9791131 | Lighting element, a lighting system and a luminaire providing a skylight appearance | Gabriel-Eugen Onac, Ramon Antoine Wiro Clout | 2017-10-17 |
| 9611016 | Method and system for preventing fouling of surfaces | Roelant Boudewijn Hietbrink, Ivo Wilhelmus Johannes Marie Rutten, Hendrik Van Houten | 2017-04-04 |
| 9476567 | Optical element, a lighting system and a luminaire for providing a skylight appearance | Petrus Johannes Hendrikus Seuntiens, Gabriel-Eugen Onac, Berent Willem Meerbeek, Evert Jan Van Loenen | 2016-10-25 |
| 9121982 | Light-emitting device for emitting diffuse light | Dorien Cato Van Der Lans | 2015-09-01 |
| 8534868 | System of collimated array of light emitters | Marcellinus Petrus Carolus Michael Krijn | 2013-09-17 |
| 8385707 | Layered light guide for producing ambient lighting | — | 2013-02-26 |
| 8226259 | Textile light emitting device | Liesbeth Van Pieterson, Jan Cornelis Kriege, Hugo Johan Cornelissen, Rabin Bhattacharya, Maarten Marinus Johannes Wilhelmus Van Herpen | 2012-07-24 |
| 8150269 | Lighting device | Georg Sauerlander | 2012-04-03 |
| 8113703 | Dual-layer light guide structure for LED-based lighting device | Marcellinus Petrus Carolus Michael Krijn | 2012-02-14 |