F23B 1/02
Combustion apparatus using only lump fuel: for indirect heating of a medium
Official title: {for indirect heating of a medium in a vessel, e.g. for boiling water (steam generation F22)}
F23B1/02 (Combustion apparatus using only lump fuel: for indirect heating of a medium) appears on 6 US grants and 6 published applications in this corpus.
Search patents in F23B- Granted patents
- 6
- Published applications
- 6
- Assignees
- 4
- Inventors
- 14
- Latest grant
- 30 Jul 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Spent grain fuel product and process30 Jul 2019US 10,364,400 B2Akbev Group, LLC
- Combustion chamber for burning solid fuels12 Apr 2016US 9,310,071 B2
- Fuel-burning furnace with a chute that ejects material from the combustion chamber by force of the loading of fuel20 Jul 2010US 7,757,619 B2Youngblood Holdings, LLC
- Vibrating grate in a heating boiler9 Sep 1986US 4,610,208 AKils el Ab
- Method and apparatus for obtaining energy21 Jan 1986US 4,565,139 AStearns Catalytic World Corporation
- Spent grain fuel product and process31 Aug 2017US 2017/0247623 A9Akbev Group, LLC
- Spent grain fuel product and process4 May 2017US 2017/0121619 A1Akbev Group, LLC
- Combustion Chamber for Burning Solid Fuels18 Aug 2016US 2016/0238238 A1
- Combustion Chamber for Burning Solid Fuels18 Feb 2010US 2010/0037806 A1
- Fuel-burning furnace with a chute that ejects material from the combustion chamber by force of the loading of fuel25 Dec 2008US 2008/0314299 A1Youngblood Holdings, LLC
Most cited
By later US patents