F02M 26/38
With two or more egr valves disposed in parallel
Official title: with two or more EGR valves disposed in parallel
F02M26/38 (With two or more egr valves disposed in parallel) appears on 204 US grants and 162 published applications in this corpus.
Search patents in F02M- Granted patents
- 204
- Published applications
- 162
- Assignees
- 96
- Inventors
- 480
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 8 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 2 |
| 2002 | 8 | 2 |
| 2003 | 0 | 4 |
| 2004 | 3 | 6 |
| 2005 | 12 | 7 |
| 2006 | 8 | 9 |
| 2007 | 7 | 19 |
| 2008 | 12 | 12 |
| 2009 | 6 | 12 |
| 2010 | 6 | 10 |
| 2011 | 8 | 15 |
| 2012 | 7 | 8 |
| 2013 | 9 | 9 |
| 2014 | 11 | 5 |
| 2015 | 9 | 6 |
| 2016 | 5 | 5 |
| 2017 | 6 | 3 |
| 2018 | 6 | 4 |
| 2019 | 2 | 3 |
| 2020 | 2 | 2 |
| 2021 | 4 | 3 |
| 2022 | 4 | 7 |
| 2023 | 6 | 4 |
| 2024 | 5 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for starting a power system14 Jul 2026US 12,680,522 B2Volvo Truck Corporation
- Valve assembly and method16 Sep 2025US 12,416,361 B2G. W. Lisk Company, Inc.
- Engine system3 Dec 2024US 12,158,126 B2Volvo Truck Corporation
- System and method for management of multiple exhaust gas recirculation coolers19 Nov 2024US 12,146,457 B2Innio Waukesha Gas Engines Inc.
- Dual core exhaust gas recirculation cooler22 Oct 2024US 12,123,379 B2Deere & Company
- Engine system27 Aug 2026US 2026/0251110 A1Subaru Corporation
- Method for starting a power system4 Sep 2025US 2025/0277477 A1Volvo Truck Corporation
- Valve assembly and method22 Aug 2024US 2024/0280177 A1G. W. Lisk Company, Inc.
- Engine system11 Jul 2024US 2024/0229748 A9Volvo Truck Corporation
- Engine system25 Apr 2024US 2024/0133354 A1Volvo Truck Corporation
Most cited
By later US patents
- Exhaust gas purification device for an internal combustion engine114US 5,974,793 AToyota Jidosha Kabushiki Kaisha · 1999
- Exhaust gas re-circulation arrangement111US 6,216,459 B1DaimlerChrysler AG · 2001
- Exhaust gas recirculation in internal combustion engines90US 5,785,030 ADry Systems Technologies · 1998
- Fast acting exhaust gas recirculation system87US 6,138,649 ASouthwest Research Institute · 2000
- Exhaust gas recirculation system for a turbocharged engine84US 6,347,619 B1Deere & Company · 2002