F02M 2026/009
Egr combined with means to change air/fuel ratio, ignition timing, charge swirl
Official title: {EGR combined with means to change air/fuel ratio, ignition timing, charge swirl in the cylinder}
F02M2026/009 (Egr combined with means to change air/fuel ratio, ignition timing, charge swirl) appears on 99 US grants and 37 published applications in this corpus.
Search patents in F02M- Granted patents
- 99
- Published applications
- 37
- Assignees
- 50
- Inventors
- 235
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 4 |
| 2005 | 3 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 2 |
| 2019 | 4 | 9 |
| 2020 | 5 | 6 |
| 2021 | 5 | 2 |
| 2022 | 4 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for reducing emissions21 Apr 2026US 12,607,153 B2General Electric Company
- Techniques for improving fuel economy in dedicated EGR engines12 Sep 2023US 11,754,008 B2Cummins Inc.
- Internal-combustion-engine control device and internal-combustion-engine control method28 Mar 2023US 11,614,064 B2Hitachi Astemo, Ltd.
- System and method for operating an engine with reduced NOx emissions6 Dec 2022US 11,519,344 B2
- Engine system8 Nov 2022US 11,492,993 B2Mazda Motor Corporation
- Exhaust Moderated Optimized Combustion Intake4 Dec 2025US 2025/0369403 A1
- Engine system29 Sep 2022US 2022/0307442 A1Mazda Motor Corporation
- Techniques for improving fuel economy in dedicated egr engines12 May 2022US 2022/0145815 A1Cummins Inc.
- System and Method for Operating an Engine with Reduced NOx Emissions19 Aug 2021US 2021/0254564 A1
- Stoichiometric engine system utilizing three-way catalyst upstream of turbine11 Feb 2021US 2021/0040922 A1Caterpillar Inc.
Most cited
By later US patents
- Homogeneous charge compression ignition dual fuel engine and method for operation61US 6,463,907 B1Caterpillar Inc. · 2002
- Air-fuel control system for exhaust gas purification on ice48US 6,378,297 B1Toyota Jidosha Kabushiki Kaisha · 2002
- Two-cycle internal combustion engine43US 4,732,117 AToyota Jidosha Kabushiki Kaisha · 1988
- Spark ignited internal combustion engines42US 5,379,743 ARicardo Consulting Engineers Limited · 1995
- Gas mixture feed system for internal combustion engine32US 4,094,285 AHitachi, Ltd. · 1978