Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12380085 | Method and system for providing a clarity grade for a gem | Marc Verboven, Dirk Nuyts | 2025-08-05 |
| 11915407 | Automated system and method for clarity measurements and clarity grading | Marc Verboven, Dirk Nuyts | 2024-02-27 |
| 11789919 | Method and system for providing a clarity grade for a gem | Marc Verboven, Dirk Nuyts | 2023-10-17 |
| 11562473 | Automated system and method for clarity measurements and clarity grading | Marc Verboven, Dirk Nuyts | 2023-01-24 |
| 11106648 | Method and system for providing a clarity grade for a gem | Marc Verboven, Dirk Nuyts | 2021-08-31 |
| 10891724 | Automated system and method for clarity measurements and clarity grading | Marc Verboven, Dirk Nuyts | 2021-01-12 |
| 10318515 | Method and system for providing a clarity grade for a gem | Marc Verboven | 2019-06-11 |
| 10275870 | Automated system and method for clarity measurements and clarity grading | Marc Verboven, Dirk Nuyts | 2019-04-30 |
| 9953406 | Automated system and method for clarity measurements and clarity grading | Marc Verboven, Dirk Nuyts | 2018-04-24 |
| 9366638 | Method and system for providing a clarity grade for a gem | Marc Verboven | 2016-06-14 |
| 8760758 | Reflected dark field method and apparatus | Marc Verboven | 2014-06-24 |
| 8724217 | Reflected dark field method and apparatus | Marc Verboven | 2014-05-13 |
| 8402066 | Method and system for providing a clarity grade for a gem | Marc Verboven | 2013-03-19 |
| 8289621 | Reflected dark field method and apparatus | Marc Verboven | 2012-10-16 |
| 8239143 | System and method for gemstone cut grading | Ronald Geurts, Al Gilbertson, Barak Green, T. Scott Hemphill, Tom Moses | 2012-08-07 |
| 8120758 | Fast UV-VIS-NIR absorption spectrometer system and method | Matt Hall, Thomas Scott Hemphill, Wuyi Wang | 2012-02-21 |
| 8095325 | System and method for gemstone cut grading | Ronald Geurts, Al Gilbertson, Barak Green, T. Scott Hemphill, Tom Moses | 2012-01-10 |
| 7571060 | System and method for gemstone cut grading | Ronald Geurts, Al Gilbertson, Barak Green, T. Scott Hemphill, Tom Moses | 2009-08-04 |