F01N 3/10
By thermal or catalytic conversion of noxious components of exhaust
Official title: by thermal or catalytic conversion of noxious components of exhaust
F01N3/10 (By thermal or catalytic conversion of noxious components of exhaust) appears on 14,148 US grants and 14,352 published applications in this corpus.
Search patents in F01N- Granted patents
- 14,148
- Published applications
- 14,352
- Assignees
- 2,145
- Inventors
- 19,794
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 158 | 0 |
| 1977 | 85 | 0 |
| 1978 | 108 | 0 |
| 1979 | 83 | 0 |
| 1980 | 78 | 0 |
| 1981 | 73 | 0 |
| 1982 | 62 | 0 |
| 1983 | 58 | 0 |
| 1984 | 44 | 0 |
| 1985 | 35 | 0 |
| 1986 | 34 | 0 |
| 1987 | 42 | 0 |
| 1988 | 41 | 0 |
| 1989 | 62 | 0 |
| 1990 | 59 | 0 |
| 1991 | 77 | 0 |
| 1992 | 118 | 0 |
| 1993 | 124 | 0 |
| 1994 | 134 | 0 |
| 1995 | 197 | 0 |
| 1996 | 145 | 0 |
| 1997 | 142 | 0 |
| 1998 | 191 | 0 |
| 1999 | 180 | 0 |
| 2000 | 156 | 0 |
| 2001 | 191 | 78 |
| 2002 | 159 | 215 |
| 2003 | 184 | 294 |
| 2004 | 196 | 351 |
| 2005 | 202 | 321 |
| 2006 | 205 | 381 |
| 2007 | 190 | 458 |
| 2008 | 189 | 471 |
| 2009 | 240 | 600 |
| 2010 | 340 | 663 |
| 2011 | 335 | 679 |
| 2012 | 511 | 565 |
| 2013 | 579 | 666 |
| 2014 | 621 | 768 |
| 2015 | 714 | 868 |
| 2016 | 673 | 837 |
| 2017 | 789 | 874 |
| 2018 | 685 | 914 |
| 2019 | 879 | 801 |
| 2020 | 769 | 785 |
| 2021 | 725 | 653 |
| 2022 | 684 | 671 |
| 2023 | 557 | 491 |
| 2024 | 460 | 400 |
| 2025 | 410 | 309 |
| 2026 | 175 | 239 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Exhaust gas purification catalyst6 Oct 2026US 12,752,237 B2Cataler Corporation
- Engine device6 Oct 2026US 12,753,713 B2Yanmar Holdings Co., Ltd.
- Mixing tube for exhaust system and operating strategy for same6 Oct 2026US 12,753,714 B2Caterpillar Inc.
- Layered tri-metallic catalytic article and method of manufacturing the catalytic article29 Sep 2026US 12,746,532 B2BASF Mobile Emissions Catalysts LLC
- Exhaust gas purification device and method for manufacturing exhaust gas purification device29 Sep 2026US 12,746,533 B2Cataler Corporation
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- System for treating an exhaust gas8 Oct 2026US 2026/0307052 A1Johnson Matthey Public Limited Company
- Pressurized systems and methods for providing a nebulized catalyst8 Oct 2026US 2026/0309066 A1Jake Vernon LLC
- Containerized ultra-low nox diesel engine generator set with roof-mounted selective catalytic reduction system8 Oct 2026US 2026/0309075 A1Industrial Service Solutions WC, Inc.
- Improved hydrocarbon trap for cold-start hydrocarbon control from internal combustion engines1 Oct 2026US 2026/0295527 A1
Most cited
By later US patents
- Remote power recharge for electronic equipment421US 7,068,991 B22006
- Hybrid vehicles228US 6,554,088 B2Paice LLC · 2003
- Treatment of diesel exhaust gases207US 4,902,487 AJohnson Matthey PLC · 1990
- Method and apparatus for reducing nitrogen oxides from internal combustion engine207US 5,272,871 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1993
- Flexible nonwoven mat204US 5,380,580 AMinnesota Mining and Manufacturing Company · 1995