Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816533 | Method of marking hydrocarbon liquids | David Stubbs | 2020-10-27 |
| 10267740 | Tracer and method of identifying tracer in product | Vincent Brian Croud, Elizabeth Ruth Egginton, Clive Anthony Marchant, Alistair McInroy, David Eustace +1 more | 2019-04-23 |
| 10106754 | Method of marking hydrocarbon liquids | David Stubbs | 2018-10-23 |
| 9678054 | Method of marking hydrocarbon liquids | David Stubbs | 2017-06-13 |
| 9658202 | Tagging method | Darrell Green, Christopher Thomas Llewellyn | 2017-05-23 |
| 9625440 | Method of marking hydrocarbon liquids | Vincent Brian Croud | 2017-04-18 |
| 9506000 | Tracers and method of marking liquids | Vincent Brian Croud, Ian Stuart Edworthy | 2016-11-29 |
| 9090841 | Tracers and method of marking hydrocarbon liquids | Ian Stuart Edworthy, Vincent Brian Croud | 2015-07-28 |
| 8906698 | Method and apparatus for measuring fluorescence in liquids | Vincent Brian Croud, Ian Stuart Edworthy | 2014-12-09 |