F02M 26/11
Manufacture or assembly of egr systems
Official title: Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
F02M26/11 (Manufacture or assembly of egr systems) appears on 135 US grants and 158 published applications in this corpus.
Search patents in F02M- Granted patents
- 135
- Published applications
- 158
- Assignees
- 106
- Inventors
- 435
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 9 | 2 |
| 2002 | 4 | 6 |
| 2003 | 3 | 6 |
| 2004 | 1 | 2 |
| 2005 | 5 | 11 |
| 2006 | 7 | 8 |
| 2007 | 5 | 14 |
| 2008 | 3 | 17 |
| 2009 | 4 | 12 |
| 2010 | 5 | 12 |
| 2011 | 8 | 8 |
| 2012 | 6 | 4 |
| 2013 | 6 | 4 |
| 2014 | 2 | 4 |
| 2015 | 5 | 5 |
| 2016 | 1 | 7 |
| 2017 | 3 | 6 |
| 2018 | 10 | 1 |
| 2019 | 6 | 12 |
| 2020 | 7 | 5 |
| 2021 | 6 | 4 |
| 2022 | 3 | 3 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques15 Sep 2026US 12,736,020 B2Cummins Inc.
- Exhaust gas recirculation valve assembly19 Aug 2025US 12,392,309 B2Power Packer North America, Inc.
- Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques8 Apr 2025US 12,270,361 B2Cummins Inc.
- Sealing device19 Mar 2024US 11,933,252 B2Nok Corporation
- Process for improving engine efficiency using a fuel reforming system12 Sep 2023US 11,754,023 B2Saudi Arabian Oil Company
- Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques26 Jun 2025US 2025/0207546 A1Cummins Inc.
- Exhaust gas recirculation valve assembly22 Aug 2024US 2024/0280071 A1Power Packer North America, Inc.
- Soot exhaust gas recirculation separator17 Aug 2023US 2023/0258149 A1
- Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques30 Mar 2023US 2023/0095003 A1Cummins Inc.
- Process for improving engine efficiency using a fuel reforming system9 Mar 2023US 2023/0074674 A1Aramco Services Company
Most cited
By later US patents
- Solenoid activated exhaust gas recirculation valve48US 5,494,255 ARobertshaw Controls Company · 1996
- Exhausted gas recycle device47US 5,207,714 AAisin Seiki Kabushiki Kaisha · 1993
- Motor-operated flow control valve and exhaust gas recirculation control valve for internal combustion engine39US 6,089,536 AHitachi, Ltd. · 2000
- Exhaust gas recirculation valve37US 5,685,519 AGeneral Motors Corporation · 1997
- Motor-operated flow control valve and gas recirculation control valve for internal combustion engine33US 6,193,211 B1Hitachi Car Engineering Co., Ltd. · 2001