F01N 3/025
Using fuel burner or by adding fuel to exhaust
Official title: using fuel burner or by adding fuel to exhaust
F01N3/025 (Using fuel burner or by adding fuel to exhaust) appears on 1,051 US grants and 1,191 published applications in this corpus.
Search patents in F01N- Granted patents
- 1,051
- Published applications
- 1,191
- Assignees
- 306
- Inventors
- 2,093
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 13 | 0 |
| 1986 | 19 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 19 | 0 |
| 1992 | 10 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 5 |
| 2002 | 2 | 5 |
| 2003 | 5 | 19 |
| 2004 | 11 | 29 |
| 2005 | 15 | 54 |
| 2006 | 30 | 50 |
| 2007 | 26 | 68 |
| 2008 | 25 | 91 |
| 2009 | 29 | 93 |
| 2010 | 46 | 105 |
| 2011 | 53 | 89 |
| 2012 | 75 | 56 |
| 2013 | 74 | 99 |
| 2014 | 67 | 46 |
| 2015 | 65 | 63 |
| 2016 | 57 | 48 |
| 2017 | 61 | 31 |
| 2018 | 25 | 28 |
| 2019 | 42 | 50 |
| 2020 | 27 | 32 |
| 2021 | 35 | 24 |
| 2022 | 27 | 32 |
| 2023 | 36 | 27 |
| 2024 | 31 | 23 |
| 2025 | 17 | 18 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for reducing emissions with smart alternator18 Aug 2026US 12,709,274 B2Cummins Inc.
- Burner for an exhaust-gas aftertreatment system, exhaust-gas aftertreatment system for an internal combustion engine11 Aug 2026US 12,704,085 B2Robert Bosch GmbH
- Method for operating a burner of a motor vehicle28 Jul 2026US 12,692,806 B2Mercedes-Benz Group AG
- Internal combustion engine control device23 Jun 2026US 12,662,954 B2Toyota Jidosha Kabushiki Kaisha
- Rapid exhaust catalyst heating using a glow plug26 May 2026US 12,637,968 B2Fca US LLC
- Rapid exhaust catalyst heating using a glow plug27 Aug 2026US 2026/0251081 A1Saudi Arabian Oil Company
- Burner for an Exhaust Gas System of an Internal Combustion Engine, in Particular of a Motor Vehicle, and Internal Combustion Engine, in Particular for a Motor Vehicle6 Aug 2026US 2026/0226855 A1Mercedes-Benz Group AG
- Hydrogen combustion engine arrangement and method of operating a hydrogen combustion engine arrangement14 May 2026US 2026/0132749 A1Volvo Truck Corporation
- Internal combustion engine control device2 Apr 2026US 2026/0092546 A1Toyota Jidosha Kabushiki Kaisha
- Systems and methods for controlling tailpipe exhaust emissions26 Feb 2026US 2026/0055719 A1Cummins Inc.
Most cited
By later US patents
- Exhaust gas purification device for an internal combustion engine197US 5,974,791 AToyota Jidosha Kabushiki Kaisha · 1999
- Method and apparatus for emission control148US 6,314,722 B1Matros Technologies, Inc. · 2001
- Exhaust processor114US 4,651,524 AArvin Industries, Inc. · 1987
- Static mixer and exhaust gas treatment device100US 7,793,494 B2J. Eberspaecher GmbH & Co. KG · 2010
- Energy recovery system for large motor vehicles97US 5,121,607 A1992