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Royston, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Vanadium SCR catalysts
Patent number
11,602,736
Issue date
Mar 14, 2023
Johnson Matthey Public Limited Company
Zuharia Arshad
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst article for use in an emission treatment system
Patent number
11,225,895
Issue date
Jan 18, 2022
Johnson Matthey Public Limited Company
Kaneshalingam Arulraj
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
ASC with platinum group metal in multiple layers
Patent number
11,000,838
Issue date
May 11, 2021
Neil Greenham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
SCR with turbo and ASC/DOC close-coupled system
Patent number
10,828,603
Issue date
Nov 10, 2020
Johnson Matthey Public Limited Company
Hai-Ying Chen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Catalyst article for use in an emission treatment system
Patent number
10,799,832
Issue date
Oct 13, 2020
Johnson Matthey Public Limited Company
Heledd Howells
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
ASC with platinum group metal in multiple layers
Patent number
10,500,571
Issue date
Dec 10, 2019
Johnson Matthey Public Limited Company
Neil Greenham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Zoned exhaust system
Patent number
9,993,772
Issue date
Jun 12, 2018
Johnson Matthey Public Limited Company
Lee Gilbert
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Zoned catalyst for treating exhaust gas
Patent number
9,597,636
Issue date
Mar 21, 2017
Johnson Matthey Public Limited Company
Olivier Sonntag
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Zoned catalyst for treating exhaust gas
Patent number
9,579,603
Issue date
Feb 28, 2017
Johnson Matthey Public Limited Company
Olivier Sonntag
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
Vanadium SCR Catalysts
Publication number
20200306734
Publication date
Oct 1, 2020
Johnson Matthey Public Limited Company
Zuharia Arshad
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ASC WITH PLATINUM GROUP METAL IN MULTIPLE LAYERS
Publication number
20200215520
Publication date
Jul 9, 2020
Johnson Matthey Public Limited Company
Neil GREENHAM
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
CATALYST ARTICLE FOR USE IN AN EMISSION TREATMENT SYSTEM
Publication number
20190301334
Publication date
Oct 3, 2019
Johnson Matthey Public Limited Company
Kaneshalingam Arulraj
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NH3 ABATEMENT WITH GREATER SELECTIVITY TO N2
Publication number
20190176128
Publication date
Jun 13, 2019
Johnson Matthey Public Limited Company
David MICALLEF
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
SCR WITH TURBO AND ASC/DOC CLOSE-COUPLED SYSTEM
Publication number
20180280877
Publication date
Oct 4, 2018
Johnson Matthey Public Limited Company
Hai-Ying CHEN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ASC WITH PLATINUM GROUP METAL IN MULTIPLE LAYERS
Publication number
20180280945
Publication date
Oct 4, 2018
Johnson Matthey Public Limited Company
Neil GREENHAM
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST ARTICLE FOR USE IN AN EMISSION TREATMENT SYSTEM
Publication number
20180280879
Publication date
Oct 4, 2018
Johnson Matthey Public Limited Company
Heledd HOWELLS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Reduced Sulfation Impact on Cu-SCRs
Publication number
20180058293
Publication date
Mar 1, 2018
Johnson Matthey Public Limited Company
Per MARSH
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Zoned Exhaust System
Publication number
20160367941
Publication date
Dec 22, 2016
Johnson Matthey Public Limited Company
Lee Gilbert
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Zoned Catalyst for Treating Exhaust Gas
Publication number
20160045868
Publication date
Feb 18, 2016
Johnson Matthey Public Limited Company
Olivier SONNTAG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Zoned Catalyst for Treating Exhaust Gas
Publication number
20160038878
Publication date
Feb 11, 2016
Johnson Matthey Public Limited Company
Olivier SONNTAG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL