TREA

David MARVELL

Follow

Person

  • Royston, GB
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Particulate filters
    • Patent number 11,541,383
    • Issue date Jan 3, 2023
    • Johnson Matthey Public Limited Company
    • Peter Bellham
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Particulate filters
    • Patent number 11,207,667
    • Issue date Dec 28, 2021
    • Johnson Matthey Public Limited Company
    • Peter Bellham
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Catalytic wall-flow filter with partial surface coating
    • Patent number 10,808,585
    • Issue date Oct 20, 2020
    • Johnson Matthey Public Limited Company
    • Guy Richard Chandler
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Catalyst binders for filter substrates
    • Patent number 10,744,496
    • Issue date Aug 18, 2020
    • Johnson Matthey Public Limited Company
    • Guy Chandler
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Catalytic wall-flow filter with an ammonia slip catalyst
    • Patent number 10,369,555
    • Issue date Aug 6, 2019
    • Johnson Matthey Public Limited Company
    • Garry Adam Burgess
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Catalysed soot filter
    • Patent number 8,940,259
    • Issue date Jan 27, 2015
    • Johnson Matthey Public Limited Company
    • Gavin Michael Brown
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    COATED FILTERS
    • Publication number 20240044271
    • Publication date Feb 8, 2024
    • Johnson Matthey Public Limited Company
    • Kaneshalingam ARULRAJ
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    METHOD OF FORMING AN INORGANIC OXIDE COATING ON A MONOLITH ARTICLE
    • Publication number 20230076492
    • Publication date Mar 9, 2023
    • Johnson Matthey Public Limited Company
    • Kaneshalingam ARULRAJ
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PARTICULATE FILTERS
    • Publication number 20230067575
    • Publication date Mar 2, 2023
    • Johnson Matthey Public Limited Company
    • Kaneshalingam ARULRAJ
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PARTICULATE FILTERS
    • Publication number 20220258150
    • Publication date Aug 18, 2022
    • Johnson Matthey Public Limited Company
    • Sabina BURMESTER
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    POWDER SPRAYING SYSTEM, POWDER SPRAYING NOZZLE AND METHOD
    • Publication number 20220258201
    • Publication date Aug 18, 2022
    • Johnson Matthey Public Limited Company
    • Sabina BURMESTER
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    PARTICULATE FILTERS
    • Publication number 20220111376
    • Publication date Apr 14, 2022
    • Johnson Matthey Public Limited Company
    • Peter BELLHAM
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    PARTICULATE FILTERS
    • Publication number 20210260573
    • Publication date Aug 26, 2021
    • Johnson Matthey Public Limited Company
    • Thomas HOTCHKISS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TREATMENT OF PARTICULATE FILTERS
    • Publication number 20210047952
    • Publication date Feb 18, 2021
    • Johnson Matthey Public Limited Company
    • Sabina BURMESTER
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PARTICULATE FILTERS
    • Publication number 20210046467
    • Publication date Feb 18, 2021
    • Johnson Matthey Public Limited Company
    • Peter BELLHAM
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CATALYTIC WALL-FLOW FILTER WITH AN AMMONIA SLIP CATALYST
    • Publication number 20180264446
    • Publication date Sep 20, 2018
    • Johnson Matthey Public Limited Company
    • Garry Adam BURGESS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    REAR ON-WALL DESIGN SCRF
    • Publication number 20180266290
    • Publication date Sep 20, 2018
    • Johnson Matthey Public Limited Company
    • Garry Adam BURGESS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CATALYTIC WALL-FLOW FILTER WITH PARTIAL SURFACE COATING
    • Publication number 20180119589
    • Publication date May 3, 2018
    • Johnson Matthey Public Limited Company
    • Guy Richard CHANDLER
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CATALYST BINDERS FOR FILTER SUBSTRATES
    • Publication number 20180021768
    • Publication date Jan 25, 2018
    • Johnson Matthey Public Limited Company
    • Guy Chandler
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CATALYSED SOOT FILTER
    • Publication number 20140161693
    • Publication date Jun 12, 2014
    • Johnson Matthey Public Limited Company
    • Gavin Michael BROWN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL