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Matthew O'BRIEN

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  • Royston, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Passive NOx adsorber
    • Patent number 11,759,770
    • Issue date Sep 19, 2023
    • Jillian Collier
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust system comprising a passive NOx adsorber
    • Patent number 11,359,530
    • Issue date Jun 14, 2022
    • Johnson Matthey Public Limited Company
    • David Bergeal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information 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

    Oxidation catalyst for a diesel engine exhaust
    • Patent number 10,357,743
    • Issue date Jul 23, 2019
    • 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 Applicationslast 30 patents

  • Information Patent Application

    LAYERED ZONE-COATED DIESEL OXIDATION CATALYSTS FOR IMPROVED CO/HC C...
    • Publication number 20230104565
    • Publication date Apr 6, 2023
    • Johnson Matthey Public Limited Company
    • Andrew CHIFFEY
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PASSIVE NOx ADSORBER
    • Publication number 20220339613
    • Publication date Oct 27, 2022
    • Johnson Matthey Public Limited Company
    • Jillian Collier
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OXIDATION CATALYST FOR A DIESEL ENGINE EXHAUST
    • Publication number 20190299159
    • Publication date Oct 3, 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 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

    DIESEL OXIDATION CATALYST WITH NOX ADSORBER ACTIVITY
    • Publication number 20180065086
    • Publication date Mar 8, 2018
    • Johnson Matthey Public Limited Company
    • Yannick BIDAL
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    DIESEL OXIDATION CATALYST WITH NOX ADSORBER ACTIVITY
    • Publication number 20180065083
    • Publication date Mar 8, 2018
    • Johnson Matthey Public Limited Company
    • Yannick BIDAL
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OXIDATION CATALYST FOR A DIESEL ENGINE EXHAUST
    • Publication number 20170106337
    • Publication date Apr 20, 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 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
  • Information Patent Application

    EXHAUST SYSTEM COMPRISING A PASSIVE NOX ADSORBER
    • Publication number 20170096922
    • Publication date Apr 6, 2017
    • Johnson Matthey Public Limited Company
    • David BERGEAL
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DIESEL OXIDATION CATALYST WITH NOx ADSORBER ACTIVITY
    • Publication number 20150273452
    • Publication date Oct 1, 2015
    • Johnson Matthey Public Limited Company
    • Andrew Francis CHIFFEY
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL