F01N 3/2882
Catalytic reactors combined or associated with other devices
Official title: {Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices (combined with absorbents or adsorbents only F01N3/0814; combined with particulate filters F01N3/035)}
F01N3/2882 (Catalytic reactors combined or associated with other devices) appears on 838 US grants and 561 published applications in this corpus.
Search patents in F01N- Granted patents
- 838
- Published applications
- 561
- Assignees
- 401
- Inventors
- 1,766
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 0 | 0 |
| 1980 | 9 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 21 | 0 |
| 1993 | 20 | 0 |
| 1994 | 25 | 0 |
| 1995 | 35 | 0 |
| 1996 | 21 | 0 |
| 1997 | 21 | 0 |
| 1998 | 32 | 0 |
| 1999 | 30 | 0 |
| 2000 | 20 | 0 |
| 2001 | 24 | 4 |
| 2002 | 16 | 20 |
| 2003 | 19 | 31 |
| 2004 | 16 | 34 |
| 2005 | 20 | 22 |
| 2006 | 19 | 36 |
| 2007 | 17 | 31 |
| 2008 | 19 | 23 |
| 2009 | 21 | 19 |
| 2010 | 20 | 19 |
| 2011 | 10 | 19 |
| 2012 | 15 | 14 |
| 2013 | 21 | 19 |
| 2014 | 30 | 29 |
| 2015 | 24 | 31 |
| 2016 | 24 | 22 |
| 2017 | 21 | 24 |
| 2018 | 19 | 26 |
| 2019 | 23 | 25 |
| 2020 | 21 | 26 |
| 2021 | 18 | 13 |
| 2022 | 26 | 30 |
| 2023 | 19 | 15 |
| 2024 | 21 | 13 |
| 2025 | 12 | 11 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Decomposition chamber for aftertreatment system22 Sep 2026US 12,742,406 B2Cummins Emission Solutions Inc.
- Automotive 3-way catalyst system containing a tail pipe catalyst4 Aug 2026US 12,697,604 B2BASF Mobile Emissions Catalysts LLC
- Straddle-type vehicle17 Feb 2026US 12,552,486 B2Zhejiang CFMOTO Power Co., Ltd.
- Exhaust treatment devices for exhaust aftertreatment system10 Feb 2026US 12,546,244 B1Cummins Emission Solutions Inc.
- Aftertreatment system, dual fuel system, and methods therefor6 Jan 2026US 12,516,619 B2Cummins Power Generation Inc.
- Valv e assembly for internal combustion engine system with turbomachinery10 Sep 2026US 2026/0266208 A1Cummins Emission Solutions Inc.
- Decomposition chamber for aftertreatment system13 Aug 2026US 2026/0235063 A1Cummins Emission Solutions Inc.
- Straddle-Type Vehicle25 Jun 2026US 2026/0175937 A1Zhejiang CFMOTO Power Co., Ltd.
- Aftertreatment system and mixing tube18 Jun 2026US 2026/0168420 A1Caterpillar Inc.
- Aftertreatment system, dual fuel system, and methods therefor30 Apr 2026US 2026/0117688 A1Cummins Power Generation Inc.
Most cited
By later US patents
- Treatment of diesel exhaust gases207US 4,902,487 AJohnson Matthey PLC · 1990
- Compact vacuum insulation176US 5,157,893 AMidwest Research Institute · 1992
- Compact vacuum insulation174US 5,175,975 AMidwest Research Institute · 1993
- Method and apparatus for treating an engine exhaust gas stream154US 6,171,556 B2Engelhard Corporation · 2001
- Cooking utensil with improved heat retention150US 5,643,485 AMidwest Research Institute · 1997