HC

Henry Arthur CLAXTON

JL Johnson Matthey Davy Technologies Limited: 1 patents #1 of 7Top 15%
JL Johnson Matthey Public Limited: 1 patents #27 of 109Top 25%
Overall (2025): #122,940 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12325003 Exhaust gas treatment system Olivier Leroux, Andrew Scullard, Thomas Yeh 2025-06-10
12303882 Methods and apparatus for installation and removal of catalyst carriers Simon Graham, Paul Holden, Benjamin Geoffrey Mallam, Dean Graham Shaw 2025-05-20