F02M 26/23
Layout
Official title: Layout, e.g. schematics
F02M26/23 (Layout) appears on 1,862 US grants and 2,065 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,862
- Published applications
- 2,065
- Assignees
- 374
- Inventors
- 3,360
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 26 | 0 |
| 2001 | 45 | 19 |
| 2002 | 58 | 52 |
| 2003 | 48 | 58 |
| 2004 | 52 | 61 |
| 2005 | 67 | 83 |
| 2006 | 68 | 95 |
| 2007 | 82 | 138 |
| 2008 | 74 | 134 |
| 2009 | 61 | 133 |
| 2010 | 73 | 118 |
| 2011 | 115 | 155 |
| 2012 | 95 | 109 |
| 2013 | 90 | 116 |
| 2014 | 104 | 148 |
| 2015 | 113 | 148 |
| 2016 | 119 | 119 |
| 2017 | 123 | 77 |
| 2018 | 105 | 84 |
| 2019 | 78 | 63 |
| 2020 | 60 | 55 |
| 2021 | 57 | 34 |
| 2022 | 36 | 21 |
| 2023 | 29 | 24 |
| 2024 | 15 | 9 |
| 2025 | 9 | 8 |
| 2026 | 3 | 4 |
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
- High flow high efficiency EGR cooler21 Jul 2026US 12,687,142 B2Woodward, Inc.
- Exhaust gas heat exchanger with twisted restrictor21 Apr 2026US 12,607,412 B2RB Distribution, Inc.
- Exhaust gas recirculation system, engine assembly, and vehicle23 Dec 2025US 12,503,990 B2BYD Company Limited
- Work vehicle compression ignition power system with intake heat exchanger19 Aug 2025US 12,392,276 B2Deere & 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.
- System and method for controlled heat exchanger swapping17 Sep 2026US 2026/0275893 A1Innio Waukesha Gas Engines Inc.
- Internal combustion engine and method for operating an internal combustion engine18 Jun 2026US 2026/0168416 A1
- Exhaust gas recirculation system23 Apr 2026US 2026/0110282 A1Kabushiki Kaisha Toyota Jidoshokki
- Apparatus for exhaust gas recirculation and a method for preventing ice formation in such an apparatus4 Dec 2025US 2025/0369407 A1Daimler Truck AG
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