F02M 26/13
Arrangement or layout of egr passages
Official title: Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
F02M26/13 (Arrangement or layout of egr passages) appears on 4,315 US grants and 4,358 published applications in this corpus.
Search patents in F02M- Granted patents
- 4,315
- Published applications
- 4,358
- Assignees
- 717
- Inventors
- 7,186
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 25 | 0 |
| 1978 | 38 | 0 |
| 1979 | 31 | 0 |
| 1980 | 38 | 0 |
| 1981 | 44 | 0 |
| 1982 | 24 | 0 |
| 1983 | 23 | 0 |
| 1984 | 19 | 0 |
| 1985 | 11 | 0 |
| 1986 | 7 | 0 |
| 1987 | 20 | 0 |
| 1988 | 12 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 13 | 0 |
| 1993 | 19 | 0 |
| 1994 | 20 | 0 |
| 1995 | 14 | 0 |
| 1996 | 24 | 0 |
| 1997 | 23 | 0 |
| 1998 | 32 | 0 |
| 1999 | 40 | 0 |
| 2000 | 63 | 0 |
| 2001 | 98 | 35 |
| 2002 | 96 | 88 |
| 2003 | 93 | 124 |
| 2004 | 109 | 134 |
| 2005 | 134 | 155 |
| 2006 | 130 | 156 |
| 2007 | 130 | 217 |
| 2008 | 116 | 214 |
| 2009 | 98 | 224 |
| 2010 | 127 | 207 |
| 2011 | 161 | 256 |
| 2012 | 146 | 195 |
| 2013 | 153 | 229 |
| 2014 | 188 | 291 |
| 2015 | 227 | 296 |
| 2016 | 236 | 292 |
| 2017 | 259 | 214 |
| 2018 | 259 | 234 |
| 2019 | 223 | 210 |
| 2020 | 202 | 188 |
| 2021 | 180 | 134 |
| 2022 | 149 | 89 |
| 2023 | 98 | 71 |
| 2024 | 49 | 39 |
| 2025 | 38 | 37 |
| 2026 | 27 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02M 26/22With coolers in the recirculation passage2,486
- F02M 26/14In relation to the exhaust system954
- F02M 26/17In relation to the intake system945
- F02M 26/42Having two or more egr passages771
- F02M 26/35With means for cleaning or treating the recirculated gases460
- F02M 26/36With means for adding fluids other than exhaust gas to the recirculation242
- F02M 26/41Characterised by the arrangement of the recirculation passage in relation to the221
- F02M 26/38With two or more egr valves disposed in parallel204
Recent patents
- Multi-barrel exhaust gas recirculation mixer6 Oct 2026US 12,753,732 B2Woodward, Inc.
- 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.
- Engine system25 Aug 2026US 12,716,395 B2Volvo Truck Corporation
- Mild-hybrid electric vehicle (MHEV) emissions aftertreatment system18 Aug 2026US 12,710,025 B2Saudi Arabian Oil Company
- Exhaust gas recirculation system, engine system, control method of exhaust gas recirculation system, and control program1 Oct 2026US 2026/0298182 A1Yanmar Holdings Co., Ltd.
- Multi-stage emission system for large displacement compression ignition non-road diesel, diesel-natural gas or alternative fuel mixture generator systems for emergency and non-emergency stationary power applications17 Sep 2026US 2026/0275892 A1Bluefin ESI, Inc.
- System and method for controlled heat exchanger swapping17 Sep 2026US 2026/0275893 A1Innio Waukesha Gas Engines Inc.
- Spark ignition engine and method for operating spark ignition engine17 Sep 2026US 2026/0275932 A1Mazda Motor Corporation
- Intake temperature management systems for compression ignition of small molecule fuels10 Sep 2026US 2026/0266249 A1
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