F01N 3/0232
Removing incombustible material from a particle filter
Official title: {removing incombustible material from a particle filter, e.g. ash}
F01N3/0232 (Removing incombustible material from a particle filter) appears on 64 US grants and 83 published applications in this corpus.
Search patents in F01N- Granted patents
- 64
- Published applications
- 83
- Assignees
- 54
- Inventors
- 208
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 4 |
| 2013 | 4 | 4 |
| 2014 | 5 | 11 |
| 2015 | 5 | 12 |
| 2016 | 6 | 14 |
| 2017 | 12 | 11 |
| 2018 | 5 | 4 |
| 2019 | 9 | 6 |
| 2020 | 5 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 3 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Particle deposition amount estimation device and exhaust purification system27 Aug 2024US 12,071,878 B2Yanmar Holdings Co., Ltd.
- Logic for improved delta pressure based soot estimation on low restriction particulate filters28 May 2024US 11,994,056 B1International Engine Intellectual Property Company, LLC
- Logic for improved delta pressure based soot estimation on low restriction particulate filters9 Jan 2024US 11,867,112 B1International Engine Intellectual Property Company, LLC
- Method of compacting ash deposited in a particulate filter by providing a low-temperature melting salt to said filter24 Aug 2021US 11,098,624 B2Scania CV AB
- Method for operating a particle filter3 Aug 2021US 11,078,819 B2Bayerische Motoren Werke Aktiengesellschaft
- Engine system27 Aug 2026US 2026/0251110 A1Subaru Corporation
- Particle deposition amount estimation device and exhaust purification system14 Sep 2023US 2023/0287824 A1Yanmar Holdings Co., Ltd.
- Control device for internal combustion engine14 Jan 2021US 2021/0010434 A1Toyota Jidosha Kabushiki Kaisha
- Method for Operating a Particle Filter27 Aug 2020US 2020/0271029 A1Bayerische Motoren Werke Aktiengesellschaft
- Method of compacting ash deposited in a particulate filter by providing a low-temperature melting salt to said filter30 Jan 2020US 2020/0032684 A1Scania CV AB
Most cited
By later US patents
- Open end diesel particulate trap47US 6,835,224 B2General Motors Corporation · 2004
- Exhaust cleaning system for motor vehicles, especially diesel-powered utility vehicles24US 6,729,127 B2J. Eberspächer GmbH & Co. KG · 2004
- Systems and methods for opportunistic diesel particulate filter regeneration16US 9,732,646 B2Ford Global Technologies, LLC · 2017
- Filter retentate analysis and diagnostics11US 10,309,953 B2CTS Corporation · 2019
- Vehicle location based particulate matter filter regeneration8US 8,035,532 B2GM Global Technology Operations LLC · 2011