F02M 37/0064
For engines being fed with multiple fuels or fuels having special properties
Official title: {for engines being fed with multiple fuels or fuels having special properties, e.g. bio-fuels; varying the fuel composition (controlling engines working with pluralities of fuels F02D19/06)}
F02M37/0064 (For engines being fed with multiple fuels or fuels having special properties) appears on 263 US grants and 297 published applications in this corpus.
Search patents in F02M- Granted patents
- 263
- Published applications
- 297
- Assignees
- 137
- Inventors
- 513
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 5 |
| 2006 | 4 | 9 |
| 2007 | 9 | 29 |
| 2008 | 16 | 25 |
| 2009 | 7 | 27 |
| 2010 | 25 | 34 |
| 2011 | 21 | 23 |
| 2012 | 21 | 9 |
| 2013 | 17 | 17 |
| 2014 | 13 | 16 |
| 2015 | 7 | 7 |
| 2016 | 9 | 12 |
| 2017 | 7 | 15 |
| 2018 | 12 | 11 |
| 2019 | 17 | 15 |
| 2020 | 8 | 8 |
| 2021 | 12 | 10 |
| 2022 | 7 | 3 |
| 2023 | 6 | 2 |
| 2024 | 7 | 2 |
| 2025 | 4 | 8 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Controlling a viscosity of fuel in a fuel control system with a vibratory meter14 Apr 2026US 12,601,670 B2Micro Motion, Inc.
- Systems and methods for at-cylinder fuel switching27 Jan 2026US 12,535,041 B2Caterpillar Inc.
- Biodiesel conversion kit for an FDL engine30 Dec 2025US 12,510,045 B2Transportation IP Holdings, LLC
- Systems and methods for actively managing pilot fuel storage tanks23 Sep 2025US 12,421,908 B1Caterpillar Inc.
- Dual fuel system having overflow buffer for hastening fuel switchover15 Jul 2025US 12,359,632 B1Caterpillar Inc.
- Fuel-based heating to enable mixing controlled combustion of small- molecule fuels10 Sep 2026US 2026/0266248 A1
- Fuel for a compression engine20 Aug 2026US 2026/0243206 A1Eurenco France SAS
- Engine system, fuel vaporization system, and method for vaporizing a secondary liquid fuel7 May 2026US 2026/0126022 A1Cummins Power Generation Inc.
- Unknow1 Jan 2026US 2026/0002504 A1TGE Marine Gas Engineering GmbH
- Methanol-gasoline mixing energizing device, methanol-fueled automobile control system, and automobile18 Sep 2025US 2025/0290475 A1Zhejiang Geely Holding Group Co., Ltd.
Most cited
By later US patents
- Dual fuel system for an internal combustion engine167US 9,212,643 B2Delia Ltd. · 2015
- System and method for engine starting160US 7,159,568 B1Ford Global Technologies, LLC · 2007
- Fuel blending system method and apparatus134US 5,469,830 ACessna Aircraft Company · 1995
- Fuel supply apparatus for an internal combustion engine128US 6,711,893 B2ExxonMobil Research and Engineering Company · 2004
- System and method for engine fuel blend control110US 7,287,492 B2Ford Global Technologies, LLC · 2007