F02M 25/038
Into the cylinder or the pre-combustion chamber
Official title: into the cylinder {or the pre-combustion chamber}
F02M25/038 (Into the cylinder or the pre-combustion chamber) appears on 33 US grants and 26 published applications in this corpus.
Search patents in F02M- Granted patents
- 33
- Published applications
- 26
- Assignees
- 15
- Inventors
- 63
- Latest grant
- 18 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 3 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 4 |
| 2018 | 3 | 1 |
| 2019 | 2 | 1 |
| 2020 | 3 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System device for stratified injecting exhaust gas recirculation for clean combustion of internal combustion engine18 Jun 2024US 12,012,912 B2Tianjin University
- Wet biofuel compression ignition21 Mar 2023US 11,608,799 B2Wisconsin Alumni Research Foundation
- Internal combustion engine and method of operating an internal combustion engine1 Jun 2021US 11,022,051 B2Water 2 Hydrogen (IP) Party Ltd
- Internal combustion steam engine8 Dec 2020US 10,858,990 B2Dma Tech S.à R.L.
- Hydrogen engine and the way of hydrogen fuel production for its power supply31 Mar 2020US 10,605,080 B2
- Air/steam engine and use thereof25 Dec 2025US 2025/0389237 A1
- System device for stratified injecting exhaust gas recirculation for clean combustion of internal combustion engine22 Jun 2023US 2023/0193859 A1Tianjin University
- Wet biofuel compression ignition7 Jul 2022US 2022/0213849 A1Wisconsin Alumni Research Foundation
- Internal combustion engine and method of operating an internal combustion engine12 Aug 2021US 2021/0246842 A1
- An internal combustion engine and method of operating an internal combustion engine25 Mar 2021US 2021/0087983 A1Water 2 Hydrogen (IP) Party Ltd
Most cited
By later US patents
- Cement, reduced-carbon ash and controlled mineral formation using sub- and supercritical high-velocity free-jet expansion into fuel-fired combustor fireballs72US 6,240,859 B1Four Corners Group, Inc. · 2001
- Engine system employing an unsymmetrical cycle56US 6,170,441 B2Quantum Energy Technologies · 2001
- Gas mixture preparation system and method39US 6,301,890 B1MaK Motoren GmbH & Co. KG · 2001
- Combined internal combustion and steam engine33US 4,122,803 A1978
- Supercritical water fuel composition and combustion system25US 6,010,544 AQuantum Energy Technologies · 2000