F01N 3/05
By means of air
Official title: by means of air, e.g. by mixing exhaust with air (silencers working by addition of air to exhaust F01N1/14; arrangements for the supply of additional air for the thermal or catalytic conversion of noxious components of exhaust F01N3/30)
F01N3/05 (By means of air) appears on 302 US grants and 289 published applications in this corpus.
Search patents in F01N- Granted patents
- 302
- Published applications
- 289
- Assignees
- 170
- Inventors
- 732
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 0 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 4 |
| 2003 | 7 | 8 |
| 2004 | 2 | 5 |
| 2005 | 5 | 7 |
| 2006 | 5 | 11 |
| 2007 | 7 | 8 |
| 2008 | 6 | 7 |
| 2009 | 3 | 10 |
| 2010 | 7 | 13 |
| 2011 | 3 | 20 |
| 2012 | 12 | 11 |
| 2013 | 12 | 11 |
| 2014 | 14 | 16 |
| 2015 | 14 | 14 |
| 2016 | 13 | 25 |
| 2017 | 13 | 18 |
| 2018 | 18 | 11 |
| 2019 | 9 | 9 |
| 2020 | 13 | 13 |
| 2021 | 16 | 25 |
| 2022 | 14 | 16 |
| 2023 | 9 | 11 |
| 2024 | 9 | 8 |
| 2025 | 7 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for cooling catalyzed combustion exhaust gas of hydrocarbon fueled internal combustion engines used in small power equipment and power tools16 Jun 2026US 12,655,780 B2Harbor Freight Tools USA, Inc.
- Hybrid vehicle rapid catalyst exhaust cooling5 May 2026US 12,618,347 B2Fca US LLC
- Internal combustion engine for a motor vehicle, in particular for a motor car9 Sep 2025US 12,410,744 B2Mercedes-Benz Group AG
- Vehicle with gasoline particulate filter soot regeneration strategy with criteria emission reduction for low NOX emissions19 Aug 2025US 12,392,300 B1GM Global Technology Operations LLC
- Exhaust system, controller and method for an internal combustion engine5 Aug 2025US 12,378,905 B2Jaguar Land Rover Limited
- Dual Venturi Exhaust Assembly20 Aug 2026US 2026/0243189 A1
- Air cooling system for gas powered generator20 Aug 2026US 2026/0246336 A1RV Mobile Power, LLC
- Secondary Air Valve for a Secondary Air System of an Internal Combustion Engine, Internal Combustion Engine and Motor Vehicle30 Jul 2026US 2026/0218643 A1Mercedes-Benz Group AG
- Gas mixing device14 May 2026US 2026/0131294 A1Honda Motor Co., Ltd.
- Exhaust assembly heat mitigation system14 Aug 2025US 2025/0257680 A1Caterpillar Inc.
Most cited
By later US patents
- Diesel engine exhaust gas recirculation system for NO.sub.x control incorporating a compressed air regenerative particulate control system76US 5,426,936 ACeraMem Corporation · 1995
- Deposition system and method61US 7,419,532 B2Caterpillar Inc. · 2008
- Exhaust muffler with protective shield60US 4,487,289 ANelson Industries, Inc. · 1984
- Device for removal of particulates from exhaust and flue gases55US 5,199,257 ACentro Sviluppo Materiali S.p.A. · 1993
- Heat extracting muffler system54US 4,265,332 AFMC Corporation · 1981