HC

Henry Arthur CLAXTON

JL Johnson Matthey Davy Technologies Limited: 1 patents #25 of 45Top 60%
JL Johnson Matthey Public Limited: 1 patents #446 of 922Top 50%
Overall (All Time): #1,713,259 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

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