F02D 19/04
Peculiar to engines working with solid fuels
Official title: peculiar to engines working with solid fuels, e.g. pulverised coal
F02D19/04 (Peculiar to engines working with solid fuels) appears on 27 US grants and 19 published applications in this corpus.
Search patents in F02D- Granted patents
- 27
- Published applications
- 19
- Assignees
- 12
- Inventors
- 34
- Latest grant
- 23 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 4 |
| 2020 | 1 | 4 |
| 2021 | 5 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Startup and shutdown of cleanup engine and other components in a biomass conversion system23 May 2023US 11,655,755 B2Massachusetts Institute of Technology
- Valve needle8 Mar 2022US 11,268,484 B2A. P. Møller-Mærsk A/S
- Fuel injection system2 Nov 2021US 11,162,466 B2A. P. Møller-Mærsk A/S
- Injector arrangement for diesel engines using slurry or emulsion fuels4 May 2021US 10,995,719 B2Commonwealth Scientific and Industrial Research Organisation
- Fuel system for diesel engines using carbonaceous aqueous slurry and emulsion fuels27 Apr 2021US 10,989,121 B2Commonwealth Scientific and Industrial Research Organisation
- Gas exchange in internal combustion engines for increased efficiency29 Jun 2023US 2023/0203981 A1
- Startup And Shutdown Of Cleanup Engine And Other Components In A Biomass Conversion System29 Dec 2022US 2022/0412252 A1Massachusetts Institute of Technology
- Fuel supply valve for a slurry fuel injector valve2 Jan 2020US 2020/0003132 A1A. P. Møller-Mærsk A/S
- Fuel injection valve2 Jan 2020US 2020/0003133 A1A. P. Møller-Mærsk A/S
- Valve needle2 Jan 2020US 2020/0003168 A1A. P. Møller-Mærsk A/S
Most cited
By later US patents
- Fuel injector system36US 4,782,794 AGeneral Electric Company · 1988
- Method of combustion for dual fuel engine17US 5,271,357 AGeneral Electric Company · 1993
- Cylinder head for a piston internal combustion engine15US 4,612,898 ASulzer Brothers Limited · 1986
- Fuel injection of coal slurry using vortex nozzles and valves15US 4,862,837 ADefense Research Technologies, Inc. · 1989
- Fuel injection system14US 4,825,842 ASulzer Brothers Limited · 1989