DG

David Robert Greenwell

JL Johnson Matthey Public Limited: 4 patents #5 of 104Top 5%
Overall (2016): #45,542 of 481,213Top 10%
4
Patents 2016

Issued Patents 2016

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9366166 Filter substrate comprising zone-coated catalyst washcoat Philip Gerald Blakeman 2016-06-14
9352279 Filter substrate comprising three-way catalyst 2016-05-31
9347349 Positive ignition engine and exhaust system comprising catalysed zone-coated filter substrate Philip Gerald Blakeman 2016-05-24
9261004 Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engine Louise Clare Arnold, Robert James Brisley, Guy Richard Chandler, Andrew Francis Chiffey, Keith Anthony Flanagan +1 more 2016-02-16