F02M 26/44
In which a main egr passage is branched into multiple passages
Official title: in which a main EGR passage is branched into multiple passages
F02M26/44 (In which a main egr passage is branched into multiple passages) appears on 182 US grants and 146 published applications in this corpus.
Search patents in F02M- Granted patents
- 182
- Published applications
- 146
- Assignees
- 84
- Inventors
- 388
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 3 |
| 2002 | 8 | 6 |
| 2003 | 6 | 5 |
| 2004 | 3 | 4 |
| 2005 | 6 | 5 |
| 2006 | 6 | 0 |
| 2007 | 3 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 7 |
| 2010 | 3 | 8 |
| 2011 | 8 | 9 |
| 2012 | 5 | 10 |
| 2013 | 4 | 10 |
| 2014 | 7 | 16 |
| 2015 | 11 | 11 |
| 2016 | 16 | 10 |
| 2017 | 11 | 8 |
| 2018 | 8 | 8 |
| 2019 | 11 | 6 |
| 2020 | 8 | 4 |
| 2021 | 3 | 5 |
| 2022 | 3 | 2 |
| 2023 | 2 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Valve assembly and method16 Sep 2025US 12,416,361 B2G. W. Lisk Company, Inc.
- System and method for management of multiple exhaust gas recirculation coolers19 Nov 2024US 12,146,457 B2Innio Waukesha Gas Engines Inc.
- Valve assembly and method30 Apr 2024US 11,971,106 B2G. W. Lisk Company, Inc.
- EGR device22 Aug 2023US 11,732,681 B2Toyota Boshoku Kabushiki Kaisha
- Valve assembly and method7 Mar 2023US 11,598,428 B2G. W. Lisk Company, Inc.
- Valve assembly and method22 Aug 2024US 2024/0280177 A1G. W. Lisk Company, Inc.
- Egr device8 Jun 2023US 2023/0175464 A1Toyota Jidosha Kabushiki Kaisha
- Valve assembly and method8 Jun 2023US 2023/0175593 A1G. W. Lisk Company, Inc.
- System and method for management of multiple exhaust gas recirculation coolers2 Mar 2023US 2023/0066495 A1Innio Waukesha Gas Engines Inc.
- Egr device22 Sep 2022US 2022/0298992 A1Toyota Boshoku Kabushiki Kaisha
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
- Dual converter engine exhaust system for reducing hydrocarbon emissions137US 5,125,231 ACorning Incorporated · 1992
- Internal combustion engine with an exhaust gas recirculation system118US 5,740,786 AMercedes-Benz AG · 1998
- Cooled exhaust gas recirculation system with load and ambient bypasses113US 5,617,726 ACummins Engine Company, Inc. · 1997