F02M 26/20
Feeding recirculated exhaust gases directly into the combustion chambers or into the
Official title: Feeding recirculated exhaust gases directly into the combustion chambers or into the intake runners
F02M26/20 (Feeding recirculated exhaust gases directly into the combustion chambers or into the) appears on 209 US grants and 160 published applications in this corpus.
Search patents in F02M- Granted patents
- 209
- Published applications
- 160
- Assignees
- 101
- Inventors
- 442
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 3 |
| 2003 | 3 | 5 |
| 2004 | 6 | 7 |
| 2005 | 8 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 4 |
| 2008 | 2 | 6 |
| 2009 | 6 | 9 |
| 2010 | 3 | 2 |
| 2011 | 6 | 5 |
| 2012 | 3 | 2 |
| 2013 | 3 | 10 |
| 2014 | 2 | 6 |
| 2015 | 5 | 7 |
| 2016 | 4 | 18 |
| 2017 | 10 | 12 |
| 2018 | 26 | 27 |
| 2019 | 15 | 8 |
| 2020 | 12 | 7 |
| 2021 | 6 | 4 |
| 2022 | 9 | 5 |
| 2023 | 3 | 4 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Engine intake manifold11 Mar 2025US 12,247,536 B2RB Distribution, Inc.
- System device for stratified injecting exhaust gas recirculation for clean combustion of internal combustion engine18 Jun 2024US 12,012,912 B2Tianjin University
- Inlet mixer for exhaust gas recirculation in power generation systems19 Sep 2023US 11,761,407 B1General Electric Company
- EGR device22 Aug 2023US 11,732,681 B2Toyota Boshoku Kabushiki Kaisha
- Combustion engine assembly with an ethanol reformer unit8 Aug 2023US 11,719,199 B2Volvo Car Corporation
- Internal combustion engine26 Feb 2026US 2026/0055750 A1Innio Jenbacher GmbH & Co OG
- Engine intake manifold1 May 2025US 2025/0137426 A1RB Distribution, Inc.
- Engine intake manifold30 Jan 2025US 2025/0035078 A1RB Distribution, Inc.
- Engine’s efficiency by heat preservation, and engines employing this invent26 Oct 2023US 2023/0340905 A1
- System device for stratified injecting exhaust gas recirculation for clean combustion of internal combustion engine22 Jun 2023US 2023/0193859 A1Tianjin University
Most cited
By later US patents
- Low emission, diesel-cycle engine158US 6,470,682 B2The United States of America as represented by the Administrator of the United States Environmental Protection Agency · 2002
- Low emission, diesel-cycle engine146US 6,301,888 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2001
- Fast acting exhaust gas recirculation system87US 6,138,649 ASouthwest Research Institute · 2000
- Exhaust gas recirculation system for an internal combustion engine71US 5,203,311 AMazda Motor Corporation · 1993
- Plural fuel system for internal combustion engine69US 5,546,908 A1996