F01N 3/2093
Periodically blowing a gas through the converter
Official title: {Periodically blowing a gas through the converter, e.g. in a direction opposite to exhaust gas flow or by reversing exhaust gas flow direction}
F01N3/2093 (Periodically blowing a gas through the converter) appears on 61 US grants and 59 published applications in this corpus.
Search patents in F01N- Granted patents
- 61
- Published applications
- 59
- Assignees
- 44
- Inventors
- 186
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 5 |
| 2005 | 4 | 1 |
| 2006 | 2 | 10 |
| 2007 | 4 | 2 |
| 2008 | 3 | 6 |
| 2009 | 2 | 1 |
| 2010 | 4 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 4 |
| 2016 | 4 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 3 | 3 |
| 2020 | 2 | 3 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 3 |
| 2024 | 5 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Emissions management for diesel series hybrid powertrains25 Aug 2026US 12,715,426 B2Cummins Inc.
- Work vehicle and aftertreatment system therefor7 Oct 2025US 12,435,654 B1Deere & Company
- Method and system for sensor analysis in an exhaust gas aftertreatment system3 Dec 2024US 12,158,095 B2Volvo Truck Corporation
- Logic for improved delta pressure based soot estimation on low restriction particulate filters28 May 2024US 11,994,056 B1International Engine Intellectual Property Company, LLC
- Reduce cold start internal combustion engine gaseous pollutants emissions using adsorbents in a cartridge in a bypass exhaust line20 Feb 2024US 11,905,868 B2Saudi Arabian Oil Company
- Emissions management for diesel series hybrid powertrains11 Dec 2025US 2025/0376149 A1Cummins Inc.
- Method for heating an exhaust gas system26 Sep 2024US 2024/0318584 A1
- Reduce cold start internal combustion engine gaseous pollutants emissions using adsorbents in a cartridge in a bypass exhaust line22 Jun 2023US 2023/0193797 A1Aramco Overseas Company B.V.
- Exhaust After Treatment System and Method for Pre-Heating a Catalytic Converter8 Jun 2023US 2023/0175423 A1Volvo Car Corporation
- Method and system for sensor analysis in an exhaust gas aftertreatment system1 Jun 2023US 2023/0167759 A1Volvo Truck Corporation
Most cited
By later US patents
- Method and apparatus for emission control148US 6,314,722 B1Matros Technologies, Inc. · 2001
- Deposition system and method61US 7,419,532 B2Caterpillar Inc. · 2008
- Methods of controlling reductant addition45US 7,861,516 B2Johnson Matthey Public Limited Company · 2011
- Exhaust discharge control device for internal combustion engine41US 6,233,925 B1Toyota Jidosha Kabushiki Kaisha · 2001
- Emission control system40US 5,768,888 AMatros Technologies, Inc. · 1998