P

Inventor

MCCALLIEN DUNCAN WILLIAM JOHN

GB7 patents
⚠️ This page may combine multiple inventors who share the name “MCCALLIEN DUNCAN WILLIAM JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JOHNSON MATTHEY PLC

3 patents
US10816533B2Oct 27, 2020

Method of marking hydrocarbon liquids

JOHNSON MATTHEY PLC0 citations48
US10106754B2Oct 23, 2018

Method of marking hydrocarbon liquids

JOHNSON MATTHEY PLC0 citations48
US10267740B2Apr 23, 2019

Tracer and method of identifying tracer in product

JOHNSON MATTHEY PLC0 citations30

CROUD VINCENT BRIAN

1 patent
US8906698B2Dec 9, 2014

Method and apparatus for measuring fluorescence in liquids

CROUD VINCENT BRIAN10 citations77

GREEN DARRELL

1 patent
US9658202B2May 23, 2017

Tagging method

GREEN DARRELL4 citations62

STUBBS DAVID

1 patent
US9678054B2Jun 13, 2017

Method of marking hydrocarbon liquids

STUBBS DAVID0 citations46

MCCALLIEN DUNCAN WILLIAM JOHN

1 patent
US9090841B2Jul 28, 2015

Tracers and method of marking hydrocarbon liquids

MCCALLIEN DUNCAN WILLIAM JOHN0 citations30