F02D 19/061
By controlling fuel injectors
Official title: {by controlling fuel injectors}
F02D19/061 (By controlling fuel injectors) appears on 467 US grants and 460 published applications in this corpus.
Search patents in F02D- Granted patents
- 467
- Published applications
- 460
- Assignees
- 164
- Inventors
- 938
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 0 |
| 2002 | 5 | 12 |
| 2003 | 13 | 14 |
| 2004 | 10 | 10 |
| 2005 | 5 | 8 |
| 2006 | 11 | 7 |
| 2007 | 14 | 24 |
| 2008 | 18 | 24 |
| 2009 | 8 | 33 |
| 2010 | 20 | 41 |
| 2011 | 35 | 36 |
| 2012 | 33 | 34 |
| 2013 | 25 | 24 |
| 2014 | 22 | 36 |
| 2015 | 18 | 23 |
| 2016 | 25 | 23 |
| 2017 | 28 | 9 |
| 2018 | 18 | 17 |
| 2019 | 17 | 21 |
| 2020 | 11 | 7 |
| 2021 | 12 | 8 |
| 2022 | 7 | 6 |
| 2023 | 10 | 10 |
| 2024 | 12 | 12 |
| 2025 | 11 | 10 |
| 2026 | 3 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for controlling cylinder combustion in a dual fuel engine using in-cylinder pressure sensing8 Sep 2026US 12,729,654 B2Caterpillar Inc.
- Systems and methods for at-cylinder fuel switching27 Jan 2026US 12,535,041 B2Caterpillar Inc.
- Dual fuel engine combustion control strategy optimizing pilot shot quantities6 Jan 2026US 12,516,638 B2Caterpillar Inc.
- Control system for internal combustion engine, internal combustion engine system, and method of controlling internal combustion engine21 Oct 2025US 12,448,928 B2Cummins Power Generation Inc.
- Systems and methods for providing a diesel-methanol emulsion for direct injection engines30 Sep 2025US 12,429,005 B2Caterpillar Inc.
- Control system for multi-fuel generator set and control method thereof, and generator set17 Sep 2026US 2026/0275924 A1Chongqing Rato Technology Co., Ltd.
- Improvements relating to internal combustion engines3 Sep 2026US 2026/0258758 A1Commonwealth Scientific and Industrial Research Organisation
- Dual fuel injector, design method therefor, and injection control method therefor27 Aug 2026US 2026/0251096 A1Weichai Power Co., Ltd.
- Fuel type detection for internal combustion engine6 Aug 2026US 2026/0226868 A1Caterpillar Inc.
- Fueling system controls including detection of valve fully open condition16 Jul 2026US 2026/0201846 A1Cummins Inc.
Most cited
By later US patents
- Methods and apparatus for operation of multiple fuel engines199US 7,222,015 B2Engine Control Technology, LLC · 2007
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Control system for two cycle direct injection engine and the method thereof165US 6,158,411 AFuji Jukogyo Kabushiki Kaisha · 2000
- Multiple operating mode engine and method of operation134US 6,561,157 B2Cummins Inc. · 2003
- Optimized fuel management system for direct injection ethanol enhancement of gasoline engines129US 7,225,787 B2Massachusetts Institute of Technology · 2007