F24H 9/189
Using solid fuel
Official title: using solid fuel
F24H9/189 (Using solid fuel) appears on 5 US grants and 3 published applications in this corpus.
Search patents in F24H- Granted patents
- 5
- Published applications
- 3
- Assignees
- 2
- Inventors
- 6
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Heating device with improved efficiency2 Sep 2025US 12,405,010 B2Suter Entfeuchtungstechnik AG
- Small stove, stove core and shape of briquette assorted with smokeless combustion of combustible solids/semisolids20 Aug 2024US 12,066,190 B2
- Furnace13 Oct 2020US 10,801,738 B2Fire Chief Industries LLC
- Combustion heater21 Oct 1980US 4,228,783 A
- Wood burning furnace13 Sep 1977US 4,047,515 A
- Heating device with improved efficiency4 May 2023US 2023/0139453 A1Suter Entfeuchtungstechnik AG
- Small stove, stove core and shape of briquette assorted with smokeless combustion of combustible solids/semisolids17 Mar 2022US 2022/0082261 A1
- Furnace14 Feb 2019US 2019/0049122 A1Fire Chief Industries LLC
Most cited
By later US patents