F24B 5/025
Supply of secondary air for completing combustion of fuel
Official title: {Supply of secondary air for completing combustion of fuel}
F24B5/025 (Supply of secondary air for completing combustion of fuel) appears on 29 US grants and 28 published applications in this corpus.
Search patents in F24B- Granted patents
- 29
- Published applications
- 28
- Assignees
- 14
- Inventors
- 56
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 5 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detachable secondary incinerator4 Aug 2026US 12,698,903 B2Zhejiang Pan An Cherry Hardware Co., Ltd
- Heating device with improved efficiency2 Sep 2025US 12,405,010 B2Suter Entfeuchtungstechnik AG
- Cabinet circulator solid fuel heater combustion system19 Nov 2024US 12,146,663 B2United States Stove Company
- Self-assembly brazier21 Nov 2023US 11,821,630 B2
- Partition wall assembly for stove6 Jun 2023US 11,668,468 B2
- Biomass secondary combustion stove with exhaust mixer1 May 2025US 2025/0137645 A1
- Biomass secondary combustion stove with exhaust mixer1 May 2025US 2025/0137646 A1United States Stove Company
- Portable fireplace20 Mar 2025US 2025/0093035 A1Solo Brands, LLC
- Clean combustion stove20 Mar 2025US 2025/0093037 A1
- Detachable secondary incinerator3 Oct 2024US 2024/0328627 A1Zhejiang Pan An Cherry Hardware Co., Ltd
Most cited
By later US patents
- Self-powered automatic secondary air controllers for woodstoves and small furnaces36US 5,014,680 AThe United States of America as represented by the United States Department of Energy · 1991
- Non-gas fire pit35US 11,092,342 B2Lamplight Farms Incorporated · 2021
- Solid fuel stove27US 4,362,146 A1982
- Stove with catalytic combustor and bypass22US 4,437,451 AAtlanta Stove Works, Inc. · 1984
- Stove construction13US 4,316,444 A1982