F02M 26/22
With coolers in the recirculation passage
Official title: with coolers in the recirculation passage
F02M26/22 (With coolers in the recirculation passage) appears on 2,486 US grants and 2,837 published applications in this corpus.
Search patents in F02M- Granted patents
- 2,486
- Published applications
- 2,837
- Assignees
- 455
- Inventors
- 4,516
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 28 | 0 |
| 2001 | 51 | 20 |
| 2002 | 65 | 57 |
| 2003 | 55 | 69 |
| 2004 | 60 | 76 |
| 2005 | 80 | 106 |
| 2006 | 87 | 109 |
| 2007 | 94 | 162 |
| 2008 | 84 | 163 |
| 2009 | 69 | 157 |
| 2010 | 85 | 151 |
| 2011 | 129 | 197 |
| 2012 | 111 | 131 |
| 2013 | 115 | 150 |
| 2014 | 129 | 207 |
| 2015 | 148 | 201 |
| 2016 | 155 | 194 |
| 2017 | 167 | 131 |
| 2018 | 165 | 135 |
| 2019 | 134 | 123 |
| 2020 | 111 | 101 |
| 2021 | 100 | 72 |
| 2022 | 75 | 44 |
| 2023 | 53 | 40 |
| 2024 | 28 | 15 |
| 2025 | 18 | 15 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Soot-less exhaust gas recirculation (EGR) system22 Sep 2026US 12,742,434 B1
- Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques15 Sep 2026US 12,736,020 B2Cummins Inc.
- Work vehicle compression ignition power system having thermally stratified engine combustion chambers21 Jul 2026US 12,687,133 B2Deere & Company
- High flow high efficiency EGR cooler21 Jul 2026US 12,687,142 B2Woodward, Inc.
- Method for starting a power system14 Jul 2026US 12,680,522 B2Volvo Truck Corporation
- Exhaust gas recirculation system, engine system, control method of exhaust gas recirculation system, and control program1 Oct 2026US 2026/0298182 A1Yanmar Holdings Co., Ltd.
- System and method for controlled heat exchanger swapping17 Sep 2026US 2026/0275893 A1Innio Waukesha Gas Engines Inc.
- Intake temperature management systems for compression ignition of small molecule fuels10 Sep 2026US 2026/0266249 A1
- Exhaust gas recirculation circuit for improved particle filter regeneration20 Aug 2026US 2026/0243219 A1Volvo Truck Corporation
- Dual vibration resonance bracket20 Aug 2026US 2026/0243386 A1International Truck Intellectual Property Company, LLC
Most cited
By later US patents
- Turbocharging systems for internal combustion engines208US 5,771,868 ATurbodyne Systems, Inc. · 1998
- Turbocharging systems for internal combustion engines197US 6,062,026 ATurbodyne Systems, Inc. · 2000
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Reformed natural gas for powering an internal combustion engine177US 6,508,209 B12003
- 6-cycle engine with regenerator168US 8,186,334 B22012