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David Robert GREENWELL
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Cambridge, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Filter substrate comprising three-way catalyst
Patent number
9,789,443
Issue date
Oct 17, 2017
Johnson Matthey Public Limited Company
David Robert Greenwell
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Filter substrate comprising zone-coated catalyst washcoat
Patent number
9,366,166
Issue date
Jun 14, 2016
Johnson Matthey Public Limited Company
Philip Gerald Blakeman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Filter substrate comprising three-way catalyst
Patent number
9,352,279
Issue date
May 31, 2016
Johnson Matthey Public Limited Company
David Robert Greenwell
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Positive ignition engine and exhaust system comprising catalysed zo...
Patent number
9,347,349
Issue date
May 24, 2016
Johnson Matthey Public Limited Company
Philip Gerald Blakeman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Filter for filtering particulate matter from exhaust gas emitted fr...
Patent number
9,261,004
Issue date
Feb 16, 2016
Johnson Matthey Public Limited Company
Louise Arnold
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Filter for filtering particulate matter from exhaust gas emitted fr...
Patent number
8,608,820
Issue date
Dec 17, 2013
Johnson Matthey Public Limited Company
Louise Arnold
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Exhaust system for a vehicular positive ignition internal combustio...
Patent number
8,211,393
Issue date
Jul 3, 2012
Johnson Matthey Public Limited Company
Louise Clare Arnold
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Filter
Patent number
8,012,439
Issue date
Sep 6, 2011
Johnson Matthey Public Limited Company
Louise Clare Arnold
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
FILTER FOR FILTERING PARTICULATE MATTER FROM EXHAUST GAS EMITTED FR...
Publication number
20180361364
Publication date
Dec 20, 2018
Johnson Matthey Public Limited Company
Louise ARNOLD
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER SUBSTRATE COMPRISING THREE-WAY CATALYST
Publication number
20160243501
Publication date
Aug 25, 2016
Johnson Matthey Public Limited Company
DAVID ROBERT GREENWELL
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER FOR FILTERING PARTICULATE MATTER FROM EXHAUST GAS EMITTED FR...
Publication number
20160193594
Publication date
Jul 7, 2016
Johnson Matthey Public Limited Company
Louise Arnold
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Positive Ignition Engine and Exhaust System Comprising Catalysed Zo...
Publication number
20140322112
Publication date
Oct 30, 2014
Johnson Matthey Public Limited Company
Philip Gerald BLAKEMAN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filter Substrate Comprising Zone-Coated Catalyst Washcoat
Publication number
20140322113
Publication date
Oct 30, 2014
Johnson Matthey Public Limited Company
Philip Gerald BLAKEMAN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Positive Ignition Engine and Exhaust System Comprising Three-Way Ca...
Publication number
20140234189
Publication date
Aug 21, 2014
Johnson Matthey Public Limited Company
Lucy CLOWES
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER FOR FILTERING PARTICULATE MATTER FROM EXHAUST GAS EMITTED FR...
Publication number
20140186228
Publication date
Jul 3, 2014
Johnson Matthey Public Limited Company
Louise ARNOLD
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER SUBSTRATE COMPRISING THREE-WAY CATALYST
Publication number
20140044626
Publication date
Feb 13, 2014
Johnson Matthey Public Limited Company
DAVID ROBERT GREENWELL
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER FOR FILTERING PARTICULATE MATTER FROM EXHAUST GAS EMITTED FR...
Publication number
20120097033
Publication date
Apr 26, 2012
Johnson Matthey Public Limited Company
Louise Arnold
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
EXHAUST SYSTEM FOR A VEHICULAR POSITIVE IGNITION INTERNAL COMBUSTIO...
Publication number
20110158871
Publication date
Jun 30, 2011
Johnson Matthey Public Limited Company
Louise Clare ARNOLD
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER
Publication number
20100239478
Publication date
Sep 23, 2010
Johnson Matthey Public Limited Company
Louise Clare Arnold
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL