F02M 26/19
Means for improving the mixing of air and recirculated exhaust gases
Official title: Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system
F02M26/19 (Means for improving the mixing of air and recirculated exhaust gases) appears on 336 US grants and 343 published applications in this corpus.
Search patents in F02M- Granted patents
- 336
- Published applications
- 343
- Assignees
- 153
- Inventors
- 804
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 10 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 5 | 3 |
| 2002 | 9 | 5 |
| 2003 | 4 | 10 |
| 2004 | 9 | 8 |
| 2005 | 10 | 17 |
| 2006 | 8 | 11 |
| 2007 | 9 | 19 |
| 2008 | 5 | 8 |
| 2009 | 6 | 17 |
| 2010 | 10 | 12 |
| 2011 | 12 | 25 |
| 2012 | 3 | 18 |
| 2013 | 13 | 12 |
| 2014 | 9 | 31 |
| 2015 | 17 | 21 |
| 2016 | 15 | 22 |
| 2017 | 20 | 13 |
| 2018 | 19 | 15 |
| 2019 | 19 | 21 |
| 2020 | 17 | 20 |
| 2021 | 19 | 11 |
| 2022 | 24 | 11 |
| 2023 | 7 | 5 |
| 2024 | 1 | 4 |
| 2025 | 5 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust gas recirculation mixer26 May 2026US 12,637,991 B2Woodward, Inc.
- Venturi device with forced induction10 Mar 2026US 12,571,341 B2Zero Nox, Inc.
- EGR and intake air mixing manifold with pancake plenum10 Feb 2026US 12,546,276 B1Deere & Company
- Exhaust gas recirculation system, engine assembly, and vehicle23 Dec 2025US 12,503,990 B2BYD Company Limited
- Supplying a mixture of air and exhaust gas to a compressor wheel of a compressor13 May 2025US 12,297,842 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Exhaust gas recirculation mixer25 Dec 2025US 2025/0389238 A1Woodward, Inc.
- Multi-barrel exhaust gas recirculation mixer25 Dec 2025US 2025/0389239 A1Woodward, Inc.
- Exhaust gas recirculation mixer with fuel nozzle25 Dec 2025US 2025/0389241 A1Woodward, Inc.
- Exhaust gas recirculation system, engine assembly, and vehicle9 Jan 2025US 2025/0012242 A1BYD Company Limited
- Egr mixing and adjusting apparatus and internal combustion engine11 Jul 2024US 2024/0229750 A1Weichai Power Co., Ltd.
Most cited
By later US patents
- Cooled exhaust gas recirculation system with load and ambient bypasses113US 5,617,726 ACummins Engine Company, Inc. · 1997
- EGR and blow-by flow system for highly turbocharged diesel engines92US 5,611,204 ACummins Engine Company, Inc. · 1997
- Fast acting exhaust gas recirculation system87US 6,138,649 ASouthwest Research Institute · 2000
- Control scheme for exhaust gas circulation system86US 6,886,545 B1Haldex Hydraulics Corporation · 2005
- Turbocharged engine with exhaust gas recirculation72US 6,470,864 B2Mack Trucks, Inc. · 2002