F01N 2550/12
Of particulate filters
Official title: of particulate filters
F01N2550/12 (Of particulate filters) appears on 19 US grants and 23 published applications in this corpus.
Search patents in F01N- Granted patents
- 19
- Published applications
- 23
- Assignees
- 19
- Inventors
- 39
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 3 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 3 | 3 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
By publication year.
Recent patents
- Vehicle with gasoline particulate filter soot regeneration strategy with criteria emission reduction for low NOX emissions19 Aug 2025US 12,392,300 B1GM Global Technology Operations LLC
- Systems, devices, and methods for regenerating a particulate filter14 Jan 2025US 12,196,117 B2Jtsmcdp, LLC
- Particle deposition amount estimation device and exhaust purification system27 Aug 2024US 12,071,878 B2Yanmar Holdings Co., Ltd.
- Method of detecting a need for regeneration of an exhaust particulate filter, and exhaust system7 Nov 2023US 11,808,196 B2Hug Engineering AG
- Systems, devices, and methods for regenerating a particulate filter19 Sep 2023US 11,761,362 B2Jtsmcdp, LLC
- Systems, devices, and methods for regenerating a particulate filter17 Jul 2025US 2025/0230761 A1Jtsmcdp, LLC
- Systems, devices, and methods for regenerating a particulate filter14 Dec 2023US 2023/0399966 A1Jtsmcdp, LLC
- Particle deposition amount estimation device and exhaust purification system14 Sep 2023US 2023/0287824 A1Yanmar Holdings Co., Ltd.
- Vehicle having advanced prediction model for particulate matter oxidation20 Jul 2023US 2023/0228210 A1University of Kansas
- Method of detecting a need for regeneration of an exhaust particulate filter, and exhaust system1 Dec 2022US 2022/0381173 A1Hug Engineering AG
Most cited
By later US patents
- Apparatus and method for filtering particulate and reducing NOx emissions32US 6,989,045 B2Illinois Valley Holding Company · 2006
- Diesel particulate filter monitoring using acoustic sensing27US 6,964,694 B2AVL North America Inc. · 2005
- Exhaust cleaner for internal combustion engine18US 7,954,313 B2Toyota Jidosha Kabushiki Kaisha · 2011
- Apparatus and method for filtering particulate and NOx emissions8US 7,273,514 B2Illinois Valley Holding Company · 2007
- Use of Braking energy to augment exhaust heat for improved operation of exhaust aftertreatment devices6US 8,720,185 B2Southwest Research Institute · 2014