F02B 1/08
With separate admission of air and fuel into cylinder
Official title: with separate admission of air and fuel into cylinder
F02B1/08 (With separate admission of air and fuel into cylinder) appears on 50 US grants and 36 published applications in this corpus.
Search patents in F02B- Granted patents
- 50
- Published applications
- 36
- Assignees
- 32
- Inventors
- 115
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 3 |
| 2016 | 0 | 1 |
| 2017 | 3 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 14 |
| 2020 | 12 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrogen engine10 Feb 2026US 12,546,248 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Engine system19 Jul 2022US 11,391,235 B2Mazda Motor Corporation
- Control system for compression-ignition engine19 Jan 2021US 10,895,214 B2Mazda Motor Corporation
- Control system for compression ignition engine5 Jan 2021US 10,883,438 B2Mazda Motor Corporation
- Control system for compression-ignition engine6 Oct 2020US 10,794,323 B2Mazda Motor Corporation
- Engine Systems and Methods of Their Use12 Mar 2026US 2026/0071596 A1Alpha Portfolio LLC
- Hydrogen engine14 Aug 2025US 2025/0257684 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Engine system19 May 2022US 2022/0154663 A1Mazda Motor Corporation
- In-cylinder air injection via dual-fuel injector20 Jan 2022US 2022/0018321 A1Cummins Inc.
- Control system for compression ignition engine30 Jan 2020US 2020/0032734 A1Mazda Motor Corporation
Most cited
By later US patents
- Engine selectively utilizing hybrid thermodynamic combustion cycles55US 4,040,395 A1977
- Multi-stage combustion engine39US 5,609,131 AThe United States of America as represented by the Administrator of the U. S. Environmental Protection Agency · 1997
- Internal combustion engine and a method of operating the engine38US 4,735,186 AJaguar Cars Limited · 1988
- Engine selectively utilizing hybrid thermodynamic combustion cycles36US 3,996,915 AResonance Motors, Inc. · 1976
- Apparatus and method of fuel injection and ignition of internal combustion engine34US 5,522,357 AHitachi, Ltd. · 1996