Particulate filters
US-12357981-B2 · Jul 15, 2025 · US
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Marvell David patents
Marvell David is listed as an inventor on 25 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Marvell David |
| Total patents | 25 |
| First publication | Jan 27, 2015 |
| Latest publication | Jul 15, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Catalytic wall-flow filter
US-12312990-B1 · May 27, 2025 · US
Improved catalytic wall-flow filter
US-2025154890-A1 · May 15, 2025 · US
Method of forming an inorganic oxide coating on a monolith article
US-12201969-B2 · Jan 21, 2025 · US
Method of forming an inorganic oxide coating on a monolith article
US-2024342694-A1 · Oct 17, 2024 · US
Method of forming an inorganic oxide coating on a monolith article
US-2024342693-A1 · Oct 17, 2024 · US
Coated filters
US-2024044271-A1 · Feb 8, 2024 · US
Method of forming an inorganic oxide coating on a monolith article
US-2023076492-A1 · Mar 9, 2023 · US
Particulate filters
US-2023067575-A1 · Mar 2, 2023 · US
Particulate filters
US-11541383-B2 · Jan 3, 2023 · US
Recent patents
Latest publications not already listed above.
Powder spraying system, powder spraying nozzle and method
US-2022258201-A1 · Aug 18, 2022 · US
Particulate filters
US-2022258150-A1 · Aug 18, 2022 · US
Particulate filters
US-2022111376-A1 · Apr 14, 2022 · US
Particulate filters
US-11207667-B2 · Dec 28, 2021 · US
Particulate filters
US-2021260573-A1 · Aug 26, 2021 · US
Treatment of particulate filters
US-2021047952-A1 · Feb 18, 2021 · US
Particulate filters
US-2021046467-A1 · Feb 18, 2021 · US
Catalytic wall-flow filter with partial surface coating
US-10808585-B2 · Oct 20, 2020 · US
Catalyst binders for filter substrates
US-10744496-B2 · Aug 18, 2020 · US
Catalytic wall-flow filter with an ammonia slip catalyst
US-10369555-B2 · Aug 6, 2019 · US
Rear on-wall design scrf
US-2018266290-A1 · Sep 20, 2018 · US
Catalytic wall-flow filter with an ammonia slip catalyst
US-2018264446-A1 · Sep 20, 2018 · US
Catalytic wall-flow filter with partial surface coating
US-2018119589-A1 · May 3, 2018 · US
Catalyst binders for filter substrates
US-2018021768-A1 · Jan 25, 2018 · US
Catalysed soot filter
US-8940259-B2 · Jan 27, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Johnson Matthey Plc | 25 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F01N3/035 | 24 |
| F01N3/0222 | 20 |
| B01D2255/9155 | 20 |
| B01D2255/50 | 18 |
| Y02T10/12 | 16 |