F02B 7/00
Engines characterised by the fuel-air charge being ignited by compression ignition of
Official title: Engines characterised by the fuel-air charge being ignited by compression ignition of an additional fuel (characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition F02B11/00)
F02B7/00 (Engines characterised by the fuel-air charge being ignited by compression ignition of) appears on 152 US grants and 125 published applications in this corpus.
Search patents in F02B- Granted patents
- 152
- Published applications
- 125
- Assignees
- 78
- Inventors
- 280
- Latest grant
- 28 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 3 |
| 2004 | 4 | 4 |
| 2005 | 3 | 6 |
| 2006 | 3 | 4 |
| 2007 | 5 | 2 |
| 2008 | 3 | 4 |
| 2009 | 1 | 3 |
| 2010 | 8 | 3 |
| 2011 | 2 | 4 |
| 2012 | 4 | 8 |
| 2013 | 2 | 9 |
| 2014 | 4 | 11 |
| 2015 | 13 | 11 |
| 2016 | 5 | 11 |
| 2017 | 8 | 6 |
| 2018 | 7 | 6 |
| 2019 | 8 | 13 |
| 2020 | 8 | 4 |
| 2021 | 7 | 4 |
| 2022 | 2 | 3 |
| 2023 | 3 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Compression ignition engine with igniter and pilot injector28 Jan 2025US 12,209,532 B2Wisconsin Alumni Research Foundation
- Fuel supply device for supplying a fuel and internal combustion engine11 Jun 2024US 12,006,862 B2Liebherr Machines Bulle SA
- Homogeneous charge compression ignition (HCCI-type) combustion system for an engine and powertrain using wet-alcohol as a fuel and including hot assist ignition23 Jan 2024US 11,879,401 B2MayMaan Research, LLC
- Method for control of advanced combustion through split direct injection of high heat of vaporization fuel or water fuel mixtures5 Dec 2023US 11,834,983 B2The Research Foundation for The State University of New York
- Multivariable dynamic control system of a multi-fuel engine8 Aug 2023US 11,719,152 B2Transportation IP Holdings, LLC
- Compression Ignition Engine with Igniter and Pilot Injector5 Sep 2024US 2024/0295188 A1Wisconsin Alumni Research Foundation
- Fuel supply device for supplying a fuel and internal combustion engine29 Aug 2024US 2024/0287929 A1Liebherr Machines Bulle SA
- Homogeneous charge compression ignition (hcci-type) combustion system for an engine and powertrain using wet-alcohol as a fuel and including hot assist ignition20 Jul 2023US 2023/0228224 A1MayMaan Research, LLC
- Method for control of advanced combustion through split direct injection of high heat of vaporization fuel or water fuel mixtures6 Oct 2022US 2022/0316391 A1The Research Foundation for The State University of New York
- Fuel supply device for supplying a fuel and internal combustion engine25 Aug 2022US 2022/0268200 A1Liebherr Machines Bulle SA
Most cited
By later US patents
- Method and apparatus for dual fuel injection into an internal combustion engine93US 6,202,601 B1Westport Research Inc. · 2001
- Apparatus and method for controlling fuel injection in internal combustion engine81US 7,082,926 B2Toyota Jidosha Kabushiki Kaisha · 2006
- Fuel management system for variable anti-knock agent octane enhancement of gasoline engines73US 7,444,987 B2Massachusetts Institute of Technology · 2008
- Engine emissions control apparatus and method59US 4,958,598 AMidwest Power Concepts, Ltd. · 1990
- Dual-fuel control/monitoring system57US 6,003,478 AITG Innovative Technology Group Corporation · 1999