F24H 3/067
Using solid fuel
Official title: {using solid fuel}
F24H3/067 (Using solid fuel) appears on 42 US grants and 12 published applications in this corpus.
Search patents in F24H- Granted patents
- 42
- Published applications
- 12
- Assignees
- 17
- Inventors
- 52
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 3 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Furnace30 Jun 2026US 12,669,266 B2Fire Chief Industries LLC
- Heating device with improved efficiency2 Sep 2025US 12,405,010 B2Suter Entfeuchtungstechnik AG
- Furnace6 Feb 2024US 11,892,200 B2Fire Chief Industries LLC
- Furnace13 Oct 2020US 10,801,738 B2Fire Chief Industries LLC
- System and method to cool an exposed surface of an appliance11 Aug 2020US 10,739,014 B2Wolf Steel Ltd.
- Air-conditioning apparatus for indoor environments25 Sep 2025US 2025/0297750 A1Mcz Group S.P.A.
- Furnace30 May 2024US 2024/0175606 A1Fire Chief Industries LLC
- Heating device with improved efficiency4 May 2023US 2023/0139453 A1Suter Entfeuchtungstechnik AG
- Furnace1 Oct 2020US 2020/0309415 A1Fire Chief Industries LLC
- Apparatus for an improved wood burning heater27 Aug 2020US 2020/0271325 A1
Most cited
By later US patents