F02B 45/02
Operating on powdered fuel
Official title: operating on powdered fuel, e.g. powdered coal (operating on fuel containing oxidant F02B45/06)
F02B45/02 (Operating on powdered fuel) appears on 33 US grants and 4 published applications in this corpus.
Search patents in F02B- Granted patents
- 33
- Published applications
- 4
- Assignees
- 8
- Inventors
- 22
- Latest grant
- 3 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Engine for power on demand generator3 Jan 2023US 11,542,861 B2
- Particulate deflagration combustion engine31 Aug 2010US 7,784,435 B1Deflagration Energy, L.L.C.
- Common rail supplementary atomizer for piston engines2 Sep 2008US 7,418,927 B2
- Powder fuel engine25 Dec 2007US 7,311,065 B2
- Fuel injector for slurry fuels3 Aug 1999US 5,931,123 A
Most cited
By later US patents
- Process for converting high sulfur coal to low sulfur power plant fuel31US 3,991,557 A1976
- Self purging dual fuel injector16US 4,736,712 AGeneral Electric Company · 1988
- Piston-cylinder assembly10US 4,004,557 A1977
- Coal-water slurry fuel internal combustion engine and method for operating same10US 5,163,385 AThe United States of America as represented by the United States Department of Energy · 1992
- Char and oil burning engine8US 4,412,511 A1983