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Mark WALTON
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Royston, GB
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Patents Grants
last 30 patents
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Patent Grant
Catalytic wall-flow filter
Patent number
12,312,990
Issue date
May 27, 2025
Johnson Matthey Public Limited Company
Francesco Foschi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Exhaust system including SCRF catalyst with oxidation zone
Patent number
11,280,240
Issue date
Mar 22, 2022
Johnson Matthey Public Limited Company
David Bergeal
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
IMPROVED CATALYTIC WALL-FLOW FILTER
Publication number
20250154890
Publication date
May 15, 2025
Johnson Matthey Public Limited Company
Francesco FOSCHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYTIC PARTIAL WALL-FLOW FILTER
Publication number
20250146433
Publication date
May 8, 2025
Johnson Matthey Public Limited Company
Djamela BOUNECHADA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYTIC WALL FLOW FILTER
Publication number
20240399309
Publication date
Dec 5, 2024
Johnson Matthey Public Limited Company
John David TURNER
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
AMMONIA SLIP CATALYST FILTER
Publication number
20240226864
Publication date
Jul 11, 2024
Johnson Matthey Public Limited Company
Ross BARRON
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SCRF COATINGS
Publication number
20240116037
Publication date
Apr 11, 2024
Johnson Matthey Public Limited Company
Francesco FOSCHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR MANUFACTURING GASOLINE PARTICULATE FILTER
Publication number
20230381746
Publication date
Nov 30, 2023
Johnson Matthey Public Limited Company
Brenda BENET RAJKUMAR
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
EXHAUST SYSTEM INCLUDING SCRF CATALYST WITH OXIDATION ZONE
Publication number
20210017889
Publication date
Jan 21, 2021
Johnson Matthey Public Limited Company
David BERGEAL
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES