Inventor · disambiguated record
David Marvell
Also filed as: MARVELL DAVID · MARVELL DAVID ROBERT
9 granted patents·8 pending applications·25 citations·filing 2013–2024
82Inventor score
Files withJOHNSON MATTHEY PLC17
Top patents by PatentIndex Score
17 records- 0192US8940259B2Catalysed soot filterJOHNSON MATTHEY PLC·Filed 2013·Granted Jan 27, 2015·11 cites·20 claims
- 0290US10808585B2Catalytic wall-flow filter with partial surface coatingJOHNSON MATTHEY PLC·Filed 2017·Granted Oct 20, 2020·5 cites·19 claims
- 0390US10369555B2Catalytic wall-flow filter with an ammonia slip catalystJOHNSON MATTHEY PLC·Filed 2018·Granted Aug 6, 2019·6 cites·24 claims
- 0481US12357981B2Particulate filtersJOHNSON MATTHEY PLC·Filed 2022·Granted Jul 15, 2025·1 cites·17 claims
- 0581US10744496B2Catalyst binders for filter substratesJOHNSON MATTHEY PLC·Filed 2017·Granted Aug 18, 2020·2 cites·13 claims
- 0679US2024342694A1Method of forming an inorganic oxide coating on a monolith articleJOHNSON MATTHEY PLC·Filed 2024·Application pending·0 cites
- 0779US2024342693A1Method of forming an inorganic oxide coating on a monolith articleJOHNSON MATTHEY PLC·Filed 2024·Application pending·0 cites
- 0877US12201969B2Method of forming an inorganic oxide coating on a monolith articleJOHNSON MATTHEY PLC·Filed 2022·Granted Jan 21, 2025·0 cites·18 claims
- 0970US11541383B2Particulate filtersJOHNSON MATTHEY PLC·Filed 2021·Granted Jan 3, 2023·0 cites·17 claims
- 1066US11207667B2Particulate filtersJOHNSON MATTHEY PLC·Filed 2020·Granted Dec 28, 2021·0 cites·18 claims
- 1150US12312990B1Catalytic wall-flow filterJOHNSON MATTHEY PLC·Filed 2023·Granted May 27, 2025·0 cites·17 claims
- 1247US2025146433A1Catalytic partial wall-flow filterJOHNSON MATTHEY PLC·Filed 2024·Application pending·0 cites
- 1347US2024044271A1Coated filtersJOHNSON MATTHEY PLC·Filed 2023·Application pending·0 cites
- 1444US2023067575A1Particulate filtersJOHNSON MATTHEY PLC·Filed 2022·Application pending·0 cites
- 1541US2018266290A1Rear on-wall design scrfJOHNSON MATTHEY PLC·Filed 2018·Application pending·0 cites
- 1638US2021260573A1Particulate filtersJOHNSON MATTHEY PLC·Filed 2021·Application pending·0 cites
- 1735US2021047952A1Treatment of particulate filtersJOHNSON MATTHEY PLC·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →