McCallien; Duncan William John
Patent Applications and Registrations
Patent applications and USPTO patent grants for McCallien; Duncan William John.The latest application filed is for "security device, method of making a security device and method of authenticating a product".
- McCallien; Duncan William John - County Durham GB
- MCCALLIEN; Duncan William John - Billingham GB
- McCallien; Duncan William John - Darlington GB
- MCCALLIEN; Duncan William John - Cleveland GB
- McCallien; Duncan William John - Durham N/A GB
| Patent | Date |
|---|---|
| Method of marking hydrocarbon liquids Grant 10,816,533 - Stubbs , et al. October 27, 2 | 2020-10-27 |
| Security Device, Method Of Making A Security Device And Method Of Authenticating A Product App 20200276854 - GARDINER; Damien James ; et al. | 2020-09-03 |
| Tracer and method of identifying tracer in product Grant 10,267,740 - Croud , et al. | 2019-04-23 |
| Method Of Marking Hydrocarbon Liquids App 20190017985 - Stubbs; David ; et al. | 2019-01-17 |
| Method of marking hydrocarbon liquids Grant 10,106,754 - Stubbs , et al. October 23, 2 | 2018-10-23 |
| Identifiable Chemical Product App 20180155274 - CROUD; Vincent Brian ; et al. | 2018-06-07 |
| Method Of Marking Hydrocarbon Liquids App 20170240826 - STUBBS; David ; et al. | 2017-08-24 |
| Method of marking hydrocarbon liquids Grant 9,678,054 - Stubbs , et al. June 13, 2 | 2017-06-13 |
| Tagging method Grant 9,658,202 - Green , et al. May 23, 2 | 2017-05-23 |
| Tracers and method of marking hydrocarbon liquids Grant 9,090,841 - McCallien , et al. July 28, 2 | 2015-07-28 |
| Tracer And Method Of Identifying Tracer In Product App 20150077745 - Croud; Vincent Brian ; et al. | 2015-03-19 |
| Method and apparatus for measuring fluorescence in liquids Grant 8,906,698 - Croud , et al. December 9, 2 | 2014-12-09 |
| Tracers And Method Of Marking Hydrocarbon Liquids App 20140331548 - McCallien; Duncan William John ; et al. | 2014-11-13 |
| Method Of Marking Hydrocarbon Liquids App 20140120626 - Stubbs; David ; et al. | 2014-05-01 |
| Method And Apparatus For Measuring Fluorescence In Liquids App 20120034702 - Croud; Vincent Brian ; et al. | 2012-02-09 |
| Tagging Method App 20100297774 - Green; Darrell ; et al. | 2010-11-25 |
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