F02M 26/42
Having two or more egr passages
Official title: having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
F02M26/42 (Having two or more egr passages) appears on 771 US grants and 665 published applications in this corpus.
Search patents in F02M- Granted patents
- 771
- Published applications
- 665
- Assignees
- 184
- Inventors
- 1,223
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 9 | 0 |
| 1979 | 9 | 0 |
| 1980 | 6 | 0 |
| 1981 | 12 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 28 | 6 |
| 2002 | 28 | 16 |
| 2003 | 12 | 14 |
| 2004 | 16 | 21 |
| 2005 | 24 | 23 |
| 2006 | 17 | 12 |
| 2007 | 15 | 25 |
| 2008 | 15 | 19 |
| 2009 | 15 | 23 |
| 2010 | 13 | 18 |
| 2011 | 18 | 29 |
| 2012 | 18 | 38 |
| 2013 | 13 | 45 |
| 2014 | 36 | 56 |
| 2015 | 48 | 49 |
| 2016 | 51 | 61 |
| 2017 | 49 | 37 |
| 2018 | 47 | 36 |
| 2019 | 35 | 37 |
| 2020 | 46 | 35 |
| 2021 | 33 | 26 |
| 2022 | 26 | 19 |
| 2023 | 21 | 9 |
| 2024 | 8 | 6 |
| 2025 | 3 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Controller for internal combustion engine and non-transitory computer-readable storage medium storing program for internal combustion engine9 Jun 2026US 12,650,103 B2Toyota Jidosha Kabushiki Kaisha
- Valve assembly and method16 Sep 2025US 12,416,361 B2G. W. Lisk Company, Inc.
- Method for operating an engine15 Jul 2025US 12,359,633 B2Transportation IP Holdings, LLC
- Method for operating an internal combustion engine, in particular of a motor vehicle25 Mar 2025US 12,258,914 B2Daimler Truck AG
- Engine system3 Dec 2024US 12,158,126 B2Volvo Truck Corporation
- Engine system27 Aug 2026US 2026/0251110 A1Subaru Corporation
- Internal combustion engine26 Feb 2026US 2026/0055750 A1Innio Jenbacher GmbH & Co OG
- Engine4 Dec 2025US 2025/0369408 A1
- Controller for internal combustion engine and non-transitory computer-readable storage medium storing program for internal combustion engine25 Sep 2025US 2025/0297589 A1Toyota Jidosha Kabushiki Kaisha
- Method for starting a power system4 Sep 2025US 2025/0277477 A1Volvo Truck Corporation
Most cited
By later US patents
- Reformed natural gas for powering an internal combustion engine177US 6,508,209 B12003
- 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
- Premixed charge compression ignition engine with optimal combustion control152US 6,230,683 B1Cummins Engine Company, Inc. · 2001
- Low emission, diesel-cycle engine146US 6,301,888 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2001
- Premixed charge compression ignition engine with optimal combustion control139US 6,286,482 B1Cummins Engine Company, Inc. · 2001