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Royston, GB
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last 30 patents
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Patent Grant
Passive NOx adsorber
Patent number
11,103,858
Issue date
Aug 31, 2021
Johnson Matthey Public Limited Company
Andrew Francis Chiffey
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Passive NOx adsorber
Patent number
10,975,745
Issue date
Apr 13, 2021
Johnson Matthey Public Limited Company
Andrew Francis Chiffey
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Passive NOx adsorber
Patent number
10,213,775
Issue date
Feb 26, 2019
Johnson Matthey Public Limited Company
Andrew Francis Chiffey
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
PASSIVE NOx ADSORBER
Publication number
20190168200
Publication date
Jun 6, 2019
Johnson Matthey Public Limited Company
Andrew Francis CHIFFEY
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PASSIVE NOx ADSORBER
Publication number
20180304244
Publication date
Oct 25, 2018
Johnson Matthey Public Limited Company
Yannick Daniel BIDAL
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
PASSIVE NOx ADSORBER
Publication number
20170096923
Publication date
Apr 6, 2017
Johnson Matthey Public Limited Company
Andrew Francis CHIFFEY
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PASSIVE NOx ADSORBER
Publication number
20170095805
Publication date
Apr 6, 2017
Johnson Matthey Public Limited Company
Andrew Francis CHIFFEY
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL