F01N 2270/02
Mixing air with exhaust gases: for cooling exhaust gases or the apparatus
Official title: for cooling exhaust gases or the apparatus
F01N2270/02 (Mixing air with exhaust gases: for cooling exhaust gases or the apparatus) appears on 104 US grants and 99 published applications in this corpus.
Search patents in F01N- Granted patents
- 104
- Published applications
- 99
- Assignees
- 92
- Inventors
- 259
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 4 |
| 2007 | 3 | 7 |
| 2008 | 2 | 6 |
| 2009 | 2 | 7 |
| 2010 | 5 | 10 |
| 2011 | 5 | 6 |
| 2012 | 7 | 2 |
| 2013 | 6 | 5 |
| 2014 | 2 | 5 |
| 2015 | 1 | 4 |
| 2016 | 4 | 8 |
| 2017 | 6 | 10 |
| 2018 | 3 | 5 |
| 2019 | 9 | 1 |
| 2020 | 3 | 3 |
| 2021 | 4 | 5 |
| 2022 | 7 | 2 |
| 2023 | 2 | 3 |
| 2024 | 3 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Exhaust gas purification device and engine25 Feb 2025US 12,234,761 B2Yanmar Holdings Co., Ltd.
- Connector system for an exhaust extraction system, a nozzle and the use of such nozzle2 Jul 2024US 12,025,038 B2Nederman Holding AB
- Work vehicle2 Apr 2024US 11,946,402 B2Kubota Corporation
- Method, processing unit, and computer program for ascertaining an air volume provided by means of an electric air pump in an exhaust system of an internal combustion engine23 Jan 2024US 11,879,368 B2Robert Bosch GmbH
- Dual Venturi Exhaust Assembly20 Aug 2026US 2026/0243189 A1
- System for Cooling Catalyzed Combustion Exhaust Gas of Hydrocarbon Fueled Internal Combustion Engines Used in Small Power Equipment and Power Tools26 Dec 2024US 2024/0426231 A1Harbor Freight Tools USA, Inc.
- Exhaust gas purification device and engine19 Sep 2024US 2024/0309786 A1Yanmar Holdings Co., Ltd.
- Connector system for an exhaust extraction system, a nozzle and the use of such nozzle21 Mar 2024US 2024/0093626 A1Nederman Holding AB
- Control method and control device for internal combustion engine22 Jun 2023US 2023/0193799 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- Exhaust gas purification system for an internal combustion engine99US 5,331,809 AToyota Jidosha Kabushiki Kaisha · 1994
- System for NOx reduction in exhaust gases64US 6,805,849 B1HJS Fahrzeugtechnik GmbH & Co. · 2004
- Exhaust gas muffler for a two-stroke engine40US 4,890,690 A1990
- Apparatus for purifying the exhaust gas of diesel engines36US 5,753,188 AHino Motors, Ltd. · 1998
- Method for ventilating a working machine, and such a working machine36US 7,207,172 B2Volvo Construction Equipment Holding Sweden AB · 2007