F24B 7/04
Stoves, ranges or flue-gas ducts, with additional provisions for convection heating: with
Official title: with internal air ducts
F24B7/04 (Stoves, ranges or flue-gas ducts, with additional provisions for convection heating: with) appears on 47 US grants and 27 published applications in this corpus.
Search patents in F24B- Granted patents
- 47
- Published applications
- 27
- Assignees
- 22
- Inventors
- 82
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 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 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 0 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 5 |
| 2022 | 2 | 1 |
| 2023 | 3 | 4 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Furnace30 Jun 2026US 12,669,266 B2Fire Chief Industries LLC
- Combustion cooking appliance10 Mar 2026US 12,571,542 B2Omachron Intellectual Property Inc.
- Heating device with improved efficiency2 Sep 2025US 12,405,010 B2Suter Entfeuchtungstechnik AG
- Control system for a fuel burning appliance and a method of operating such an appliance7 May 2024US 11,976,821 B2Wolf Steel Ltd.
- Furnace6 Feb 2024US 11,892,200 B2Fire Chief Industries LLC
- Combustion cooking appliance19 Mar 2026US 2026/0078907 A1Omachron Intellectual Property Inc.
- Air supply systems for combustion of granular biomass fuels15 Jan 2026US 2026/0016165 A1Aprovecho Research Center
- Method of operating an indoor smoker27 Nov 2025US 2025/0362023 A1Haier US Appliance Solutions, Inc.
- Pellet stove23 Oct 2025US 2025/0327577 A1Enerco Group, Inc.
- Furnace30 May 2024US 2024/0175606 A1Fire Chief Industries LLC
Most cited
By later US patents