DB

David Edward Barnwell

JL Johnson Matthey Fuel Cells Limited: 5 patents #5 of 54Top 10%
AH Abl Ip Holding: 1 patents #349 of 567Top 65%
JL Johnson Matthey Public Limited: 1 patents #446 of 922Top 50%
RL Raychem Limited: 1 patents #486 of 928Top 55%
📍 Highworth, GB: #2 of 8 inventorsTop 25%
Overall (All Time): #565,145 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10218022 Process for the manufacturing of a reinforced membrane-seal assembly Robert Jeffrey Coleman, Angus DICKINSON, Peter Geoffrey Gray, Jorge SOARES 2019-02-26
10186720 Membrane-seal assembly Robert Jeffrey Coleman, Angus DICKINSON, Peter Geoffrey Gray, Jorge SOARES 2019-01-22
10074860 Process of manufacturing a catalyst-coated membrane-seal assembly Robert Jeffrey Coleman, Angus DICKINSON, Jorge SOARES, Lee Alan Sweetland 2018-09-11
9692071 Membrane structure Peter Antony Trew, Thomas Robertson Ralph, Robert Jeffrey Coleman 2017-06-27
8408740 Luminaire assemblies and applications thereof David Javes 2013-04-02
8399145 Membrane electrode assembly Thomas Robertson Ralph, Peter Anthony Trew 2013-03-19
7128993 Composite membrane Silvain Buche, Lorenz Gubler, Thomas Robertson Ralph 2006-10-31
4896904 Heat shrinkable device with adhesive barrier for connecting elongate objects John A. Gadsden 1990-01-30
4465717 Assembly for marking elongate objects David Crofts 1984-08-14