DM

David MARVELL

JL Johnson Matthey Public Limited: 3 patents #3 of 109Top 3%
📍 Royston, GB: #4 of 69 inventorsTop 6%
Overall (2025): #64,275 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12357981 Particulate filters Sabina Silvia Haenel Burmester, Thomas HOTCHKISS, Jonathon Paul Sapsford 2025-07-15
12312990 Catalytic wall-flow filter Francesco FOSCHI, James Googan, Anton MacMinn, Stuart David Reid, Keimoy ST HILL +2 more 2025-05-27
12201969 Method of forming an inorganic oxide coating on a monolith article Kaneshalingam Arulraj, Peter BELLHAM, Alexander DE BRUIN, Guy Richard Chandler, Chris Corrigan +1 more 2025-01-21