F01N 2240/20
A flow director or deflector
Official title: a flow director or deflector
F01N2240/20 (A flow director or deflector) appears on 1,046 US grants and 1,170 published applications in this corpus.
Search patents in F01N- Granted patents
- 1,046
- Published applications
- 1,170
- Assignees
- 363
- Inventors
- 2,336
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 13 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 16 |
| 2003 | 15 | 20 |
| 2004 | 14 | 25 |
| 2005 | 14 | 26 |
| 2006 | 17 | 21 |
| 2007 | 14 | 24 |
| 2008 | 12 | 36 |
| 2009 | 21 | 51 |
| 2010 | 17 | 50 |
| 2011 | 21 | 54 |
| 2012 | 33 | 36 |
| 2013 | 44 | 52 |
| 2014 | 60 | 67 |
| 2015 | 44 | 75 |
| 2016 | 65 | 72 |
| 2017 | 65 | 59 |
| 2018 | 57 | 56 |
| 2019 | 63 | 77 |
| 2020 | 68 | 73 |
| 2021 | 86 | 67 |
| 2022 | 67 | 64 |
| 2023 | 63 | 51 |
| 2024 | 34 | 35 |
| 2025 | 42 | 38 |
| 2026 | 14 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Decomposition chamber for aftertreatment system22 Sep 2026US 12,742,406 B2Cummins Emission Solutions Inc.
- Display driving device comprising an emission circuit and positive feedback circuit22 Sep 2026US 12,742,407 B2Purem GmbH
- Mixers for exhaust aftertreatment systems25 Aug 2026US 12,716,377 B2Cummins Emission Solutions Inc.
- Decomposition chamber with guide swirl mixer11 Aug 2026US 12,704,086 B2Cummins Emission Solutions Inc.
- Mixer arrangement for mixing an injection medium with the exhaust gas of an internal combustion engine16 Jun 2026US 12,655,782 B2Deere & Company
- Exhaust aftertreatment system24 Sep 2026US 2026/0286878 A1Donaldson Company, Inc.
- Exhaust system and features thereof27 Aug 2026US 2026/0251080 A1ECC TEC MSJ Incorporated
- Exhaust manifold and engine27 Aug 2026US 2026/0251085 A1Yanmar Holdings Co., Ltd.
- Two Stage Box Mixer20 Aug 2026US 2026/0241349 A1Tenneco Automotive Operating Company Inc.
- Exhaust gas purification device, exhaust gas purification method, and control device20 Aug 2026US 2026/0243204 A1Komatsu Ltd.
Most cited
By later US patents
- One-piece combined muffler exhaust outlet and exhaust gas deflector134US 5,857,329 ADeere & Company · 1999
- Low pressure injection and turbulent mixing in selective catalytic reduction system134US 6,449,947 B1Fleetguard, Inc. · 2002
- Reducing NO.sub.x emissions from an engine by selective catalytic reduction utilizing solid reagents116US 5,809,775 AClean Diesel Technologies, Inc. · 1998
- Metering system105US 6,539,708 B1Siemens Aktiengesellscahft · 2003
- Method and apparatus for desulfating a NO.sub.x trap101US 5,758,493 AFord Global Technologies, LLC · 1998