F01N 2260/14
Exhaust treating devices having provisions not otherwise provided for: for modifying or
Official title: for modifying or adapting flow area or back-pressure
F01N2260/14 (Exhaust treating devices having provisions not otherwise provided for: for modifying or) appears on 230 US grants and 240 published applications in this corpus.
Search patents in F01N- Granted patents
- 230
- Published applications
- 240
- Assignees
- 141
- Inventors
- 637
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 3 |
| 2003 | 6 | 22 |
| 2004 | 11 | 14 |
| 2005 | 12 | 10 |
| 2006 | 5 | 8 |
| 2007 | 4 | 9 |
| 2008 | 11 | 11 |
| 2009 | 3 | 10 |
| 2010 | 4 | 9 |
| 2011 | 10 | 4 |
| 2012 | 8 | 4 |
| 2013 | 10 | 6 |
| 2014 | 2 | 13 |
| 2015 | 10 | 8 |
| 2016 | 7 | 17 |
| 2017 | 8 | 12 |
| 2018 | 8 | 15 |
| 2019 | 16 | 11 |
| 2020 | 16 | 18 |
| 2021 | 14 | 13 |
| 2022 | 7 | 10 |
| 2023 | 5 | 3 |
| 2024 | 7 | 3 |
| 2025 | 3 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tunable exhaust system16 Dec 2025US 12,497,913 B2Advanced Flow Engineering, Inc.
- Air-handling system for fuel-efficient low load thermal promotion and high load operation for heavy duty engines1 Jul 2025US 12,345,220 B1Saudi Arabian Oil Company
- Exhaust gas control apparatus for internal combustion engine29 Apr 2025US 12,286,921 B2Toyota Jidosha Kabushiki Kaisha
- Exhaust assembly24 Dec 2024US 12,173,633 B2Tenneco Automotive Operating Company Inc.
- Selective catalytic reduction catalyst on a filter27 Aug 2024US 12,071,881 B2BASF SE
- Tunable Exhaust System2 Apr 2026US 2026/0092544 A1Advanced Flow Engineering, Inc.
- Exhaust units for road vehicles25 Dec 2025US 2025/0389217 A1Ferrari S.P. A.
- Engine4 Dec 2025US 2025/0369408 A1
- Air-handling system for fuel-efficient low load thermal promotion and high load operation for heavy duty engines3 Jul 2025US 2025/0215846 A1Aramco Services Company
- Exhaust gas treatment device and small combustion installation equipped therewith27 Feb 2025US 2025/0065267 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
Most cited
By later US patents
- Apparatus and method for internal combustion engine control173US 5,657,625 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Method and apparatus for operating a diesel engine109US 5,771,686 AMercedes-Benz AG · 1998
- Exhaust gas recirculation in internal combustion engines90US 5,785,030 ADry Systems Technologies · 1998
- Diesel engine EGR system with exhaust gas conditioning74US 5,440,880 ANavistar International Transportation Corp. · 1995
- Deposition system and method61US 7,419,532 B2Caterpillar Inc. · 2008