Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12194504 | Melee gemstone sorting | Philip Harris, Peter Stanley Rose, Andrew John Portsmouth, Trevor Anthony Harries, Colin McGuinness | 2025-01-14 |
| 12065364 | Apparatuses and methods for treating, purifying and/or extracting from wastewater | — | 2024-08-20 |
| 11987509 | Apparatuses for extracting rare earth metals and other materials from wastewater | — | 2024-05-21 |
| 11772991 | Apparatuses and methods for treating, purifying and/or extracting from wastewater | — | 2023-10-03 |
| 11541429 | Gemstone sorting | Andrew John Portsmouth, Colin McGuinness, Nicholas Matthew Davies | 2023-01-03 |
| 11261108 | Apparatuses and methods for treating, purifying and/or extracting from wastewater | — | 2022-03-01 |
| 10662089 | Apparatus for treating, purifying and/or extracting from wastewater | — | 2020-05-26 |
| 10345245 | Luminescence measurements in diamond | James Gordon Charters Smith, Colin McGuinness | 2019-07-09 |
| 10082469 | Luminescence measurements in diamond | James Gordon Charters Smith, Colin McGuinness | 2018-09-25 |
| 8640269 | Sanitary water conservation device | Quintin Davenport | 2014-02-04 |
| D624151 | Liquid waste transfer lower housing II | Quintin Davenport | 2010-09-21 |
| D624152 | Liquid waste transfer upper housing II | Quintin Davenport | 2010-09-21 |
| D620217 | Liquid waste transfer bucket | Quintin Davenport | 2010-07-20 |