Inventor
CHIFFEY ANDREW
GB6 patents
Patents
6 patentsUS11845064B2Dec 19, 2023
Composite, zoned oxidation catalyst for a compression ignition internal combustion engine
JOHNSON MATTHEY PLC7 citations83
US12129778B2Oct 29, 2024
System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element
JOHNSON MATTHEY PLC0 citations61
US11808190B2Nov 7, 2023
System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element
JOHNSON MATTHEY PLC0 citations61
US12296319B2May 13, 2025
Composite, zoned oxidation catalys for a compression ignition internal combustion engine
JOHNSON MATTHEY PLC0 citations59
US11541383B2Jan 3, 2023
Particulate filters
JOHNSON MATTHEY PLC0 citations57
US11207667B2Dec 28, 2021
Particulate filters
JOHNSON MATTHEY PLC0 citations57