F02B 3/10
With intermittent fuel introduction
Official title: with intermittent fuel introduction
F02B3/10 (With intermittent fuel introduction) appears on 35 US grants and 28 published applications in this corpus.
Search patents in F02B- Granted patents
- 35
- Published applications
- 28
- Assignees
- 27
- Inventors
- 106
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 4 |
| 2018 | 4 | 5 |
| 2019 | 5 | 3 |
| 2020 | 4 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Systems and methods of using a fuel injector as a pressure sensor to detect top-dead-center for a cylinder28 Oct 2025US 12,454,925 B2Cummins Inc.
- Aircraft power plant8 Jul 2025US 12,351,322 B2Pratt & Whitney Canada Corp.
- Aircraft power plant3 Dec 2024US 12,157,578 B2Pratt & Whitney Canada Corp.
- Aircraft power plant9 Jan 2024US 11,866,181 B2Pratt & Whitney Canada Corp.
- Early pilot lean burn strategy in dual fuel engine using targeted pilot flames3 Nov 2020US 10,823,106 B1Caterpillar Inc.
- Systems and methods of using a fuel injector as a pressure sensor to detect top-dead-center for a cylinder1 May 2025US 2025/0137417 A1Cummins Inc.
- Aircraft power plant13 Feb 2025US 2025/0051017 A1Pratt & Whitney Canada Corp.
- Fuel agnostic compression ignition engine13 Jun 2024US 2024/0191649 A1ClearFlame Engines, Inc.
- Aircraft power plant21 Mar 2024US 2024/0092491 A1Pratt & Whitney Canada Corp.
- Aircraft power plant16 Mar 2023US 2023/0085551 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Apparatus and method for reducing emissions in a dual combustion mode diesel engine156US 5,875,743 ASouthwest Research Institute · 1999
- Direct injection type internal combustion engine and controlling method therefor69US 6,622,690 B2Mitsubishi Jidosha Kogyo Kabushiki Kaisha · 2003
- Air-compressing fuel-injection internal-combustion engine with an exhaust treatment device for reduction of nitrogen oxides49US 5,479,775 AMercedes-Benz AG · 1996
- Multicylinder heat engines44US 3,941,113 ASociete Anonyme de Vehicules Industriels et d'Equipement Mecaniques Saviem · 1976
- Direct fuel injection method for a diesel engine41US 4,836,161 ADaimler-Benz Aktiengesellschaft · 1989