F02M 26/40
With timing means in the recirculation passage
Official title: with timing means in the recirculation passage, e.g. cyclically operating valves or regenerators; with arrangements involving pressure pulsations
F02M26/40 (With timing means in the recirculation passage) appears on 82 US grants and 54 published applications in this corpus.
Search patents in F02M- Granted patents
- 82
- Published applications
- 54
- Assignees
- 54
- Inventors
- 195
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 2 |
| 2004 | 0 | 1 |
| 2005 | 6 | 5 |
| 2006 | 2 | 3 |
| 2007 | 1 | 5 |
| 2008 | 2 | 1 |
| 2009 | 2 | 4 |
| 2010 | 2 | 3 |
| 2011 | 3 | 4 |
| 2012 | 0 | 2 |
| 2013 | 3 | 3 |
| 2014 | 3 | 2 |
| 2015 | 3 | 3 |
| 2016 | 6 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 0 |
| 2020 | 1 | 4 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High flow high efficiency EGR cooler21 Jul 2026US 12,687,142 B2Woodward, Inc.
- Internal combustion engine system, comprising an internal combustion engine and an exhaust gas recirculation circuit1 Mar 2022US 11,261,808 B2Volvo Truck Corporation
- Method and system for emissions reduction26 Jan 2021US 10,900,447 B2Ford Global Technologies, LLC
- Intake manifold with integrated mixer27 Oct 2020US 10,815,940 B2Deere & Company
- Traction control system for electric multiple units19 Nov 2019US 10,480,551 B2Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd.
- Egr valve control apparatus31 Jul 2025US 2025/0243830 A1Honda Motor Co., Ltd.
- High Flow High Efficiency EGR Cooler30 Jan 2025US 2025/0035074 A1Woodward, Inc.
- Internal combustion engine intake power booster system5 Nov 2020US 2020/0347775 A1Jetoptera, Inc.
- Internal combustion engine system, comprising an internal combustion engine and an exhaust gas recirculation circuit1 Oct 2020US 2020/0309048 A1Volvo Truck Corporation
- Method and system for emissions reduction16 Jul 2020US 2020/0224614 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Recirculating exhaust gas cooling device56US 6,161,528 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 2000
- Exhaust gas turbocharger for an internal combustion engine54US 5,943,864 AMercedes-Benz AG · 1999
- EGR system36US 7,182,075 B2Honeywell International Inc. · 2007
- Supercharged internal combustion engine with EGR34US 5,425,239 AAB Volvo · 1995
- Exhaust gas recirculation system34US 7,357,125 B2Honeywell International Inc. · 2008