F02M 26/68
Closing members
Official title: Closing members; Valve seats; Flow passages
F02M26/68 (Closing members) appears on 114 US grants and 61 published applications in this corpus.
Search patents in F02M- Granted patents
- 114
- Published applications
- 61
- Assignees
- 60
- Inventors
- 238
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 2 |
| 2002 | 3 | 1 |
| 2003 | 3 | 2 |
| 2004 | 3 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 4 |
| 2012 | 0 | 2 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 3 | 4 |
| 2016 | 3 | 1 |
| 2017 | 2 | 6 |
| 2018 | 1 | 1 |
| 2019 | 3 | 3 |
| 2020 | 3 | 7 |
| 2021 | 5 | 1 |
| 2022 | 2 | 3 |
| 2023 | 2 | 4 |
| 2024 | 3 | 0 |
| 2025 | 1 | 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.
- Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques8 Apr 2025US 12,270,361 B2Cummins Inc.
- Internal combustion engine controller and control method14 May 2024US 11,982,243 B2Toyota Jidosha Kabushiki Kaisha
- High efficiency turbocharger with EGR system23 Apr 2024US 11,965,470 B2BorgWarner Inc.
- EGR valve and EGR valve device provided with same27 Feb 2024US 11,913,412 B2Aisan Kogyo Kabushiki Kaisha
- Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques26 Jun 2025US 2025/0207546 A1Cummins Inc.
- Internal combustion engine controller and control method19 Oct 2023US 2023/0332550 A1Toyota Jidosha Kabushiki Kaisha
- Egr valve system22 Jun 2023US 2023/0193861 A1Aisan Kogyo Kabushiki Kaisha
- Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques30 Mar 2023US 2023/0095003 A1Cummins Inc.
- Valve assembly for an exhaust gas recirculation system2 Mar 2023US 2023/0067940 A1BorgWarner Inc.
Most cited
By later US patents
- EGR valve carbon control screen and gasket48US 5,027,781 A1991
- Exhaust gas recirculating device38US 6,976,480 B2Mitsubishi Denki Kabushiki Kaisha · 2005
- EGR system and improved actuator therefor33US 5,937,835 AEaton Corporation · 1999
- Flow rate control apparatus in exhaust gas recirculation system24US 4,027,636 ANissan Motor Co., Ltd. · 1977
- Exhaust gas recirculation arrangement23US 6,044,827 ADaimlerChrysler AG · 2000