F01N 2900/1411
Exhaust gas flow rate
Official title: Exhaust gas flow rate, e.g. mass flow rate or volumetric flow rate
F01N2900/1411 (Exhaust gas flow rate) appears on 339 US grants and 367 published applications in this corpus.
Search patents in F01N- Granted patents
- 339
- Published applications
- 367
- Assignees
- 94
- Inventors
- 721
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 3 | 14 |
| 2013 | 5 | 14 |
| 2014 | 17 | 26 |
| 2015 | 21 | 21 |
| 2016 | 18 | 13 |
| 2017 | 18 | 37 |
| 2018 | 28 | 29 |
| 2019 | 24 | 29 |
| 2020 | 34 | 52 |
| 2021 | 39 | 28 |
| 2022 | 43 | 26 |
| 2023 | 27 | 23 |
| 2024 | 26 | 23 |
| 2025 | 27 | 15 |
| 2026 | 8 | 12 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Internal combustion engine system15 Sep 2026US 12,736,016 B2Toyota Jidosha Kabushiki Kaisha
- Work vehicle and aftertreatment system therefor25 Aug 2026US 12,716,375 B2Deere & Company
- Aftertreatment heater management for efficient thermal management21 Apr 2026US 12,607,139 B2Cummins Inc.
- Particulate filter7 Apr 2026US 12,594,515 B2BASF Mobile Emissions Catalysts LLC
- Systems and methods for monitoring nitrogen dioxide variability in an engine aftertreatment system10 Feb 2026US 12,546,242 B1Caterpillar Inc.
- Work vehicle and aftertreatment system therefor6 Aug 2026US 2026/0226857 A1Deere & Company
- Exhaust monitoring apparatus6 Aug 2026US 2026/0226858 A1Toyota Jidosha Kabushiki Kaisha
- Systems and methods for temperature control of a catalyst member using machine learning6 Aug 2026US 2026/0226869 A1Cummins Inc.
- Ammonia gasifier for a selective catalytic reduction device, and associated systems and methods7 May 2026US 2026/0125999 A1Safety Power Inc.
- Internal combustion engine system30 Apr 2026US 2026/0117720 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Device for reducing the NOx content in the exhaust gas of an internal combustion engine20US 6,192,676 B1Siemens Aktiengesellschaft · 2001
- Mixer and valve assembly14US 10,533,478 B2Faurecia Emissions Control Technologies, USA, LLC · 2020
- Systems and methods for controlling temperature and total hydrocarbon slip14US 8,418,441 B2Corning Incorporated · 2013
- Differential pressure-based enablement of a particulate filter diagnostic14US 8,966,882 B2GM Global Technology Operations LLC · 2015
- Methods and systems for a particulate matter sensor14US 9,617,899 B2Ford Global Technologies, LLC · 2017