F01N 2270/04
Mixing air with exhaust gases: for afterburning
Official title: for afterburning
F01N2270/04 (Mixing air with exhaust gases: for afterburning) appears on 79 US grants and 43 published applications in this corpus.
Search patents in F01N- Granted patents
- 79
- Published applications
- 43
- Assignees
- 62
- Inventors
- 191
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 4 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 3 | 3 |
| 2021 | 2 | 5 |
| 2022 | 6 | 4 |
| 2023 | 3 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for reducing emissions21 Apr 2026US 12,607,153 B2General Electric Company
- 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
- Exhaust system, controller and method for an internal combustion engine5 Aug 2025US 12,378,905 B2Jaguar Land Rover Limited
- Vehicle control method and vehicle control device6 Feb 2024US 11,891,939 B2Nissan Motor Co., Ltd.
- Method, processing unit, and computer program for ascertaining an air volume provided by means of an electric air pump in an exhaust system of an internal combustion engine23 Jan 2024US 11,879,368 B2Robert Bosch GmbH
- Exhaust system, controller and method for an internal combustion engine1 Aug 2024US 2024/0254905 A1Jaguar Land Rover Limited
- Method, processing unit, and computer program for ascertaining an air volume provided by means of an electric air pump in an exhaust system of an internal combustion engine2 Mar 2023US 2023/0061467 A1Robert Bosch GmbH
- Systems and methods for diesel particulate filter regeneration using air from vehicle compressed air5 Jan 2023US 2023/0003149 A1Thermo King Corporation
- Engine aftertreatment recycling apparatus, and system and method using same15 Sep 2022US 2022/0290594 A1Cummins Inc.
- Vehicle control method and vehicle control device25 Aug 2022US 2022/0268196 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- Device for removal of particulates from exhaust and flue gases55US 5,199,257 ACentro Sviluppo Materiali S.p.A. · 1993
- Combination catalytic converter and muffler for an exhaust system53US 4,209,493 ANelson Industries, Inc. · 1980
- Apparatus for purifying exhaust gas of diesel engine51US 5,489,319 AMatsushita Electric Industrial Co., Ltd. · 1996
- Catalytic converter40US 4,425,304 AToyo Kogyo Co., Ltd. · 1984
- Low NO.sub.x cogeneration process and system39US 5,224,334 ARadian Corporation · 1993