F24B 7/02
Stoves, ranges or flue-gas ducts, with additional provisions for convection heating: with
Official title: with external air ducts
F24B7/02 (Stoves, ranges or flue-gas ducts, with additional provisions for convection heating: with) appears on 111 US grants and 36 published applications in this corpus.
Search patents in F24B- Granted patents
- 111
- Published applications
- 36
- Assignees
- 32
- Inventors
- 158
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 12 | 0 |
| 1982 | 10 | 0 |
| 1983 | 14 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 0 | 3 |
| 2020 | 4 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 4 |
| 2023 | 3 | 3 |
| 2024 | 2 | 3 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- 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
- Pellet heater20 Aug 2024US 12,066,191 B2WH Products, LLC
- Furnace using biomass pellets as fuel10 Oct 2023US 11,781,749 B2Qingdao Genjoy Home Fashion Co., Ltd.
- Safely barrier heat exchanger1 Aug 2023US 11,713,883 B2
- Pellet heater12 Dec 2024US 2024/0410588 A1WH Products, LLC
- Heating stove with surface for cooking1 Feb 2024US 2024/0035664 A1Obshchestvo Ogranichennoi Otvetstvennostiu "Zet End Dgi"
- Device for generating heat to a user1 Feb 2024US 2024/0035674 A1
- Pellet heater14 Sep 2023US 2023/0288071 A1Halo Products Group, LLC
- Fire pit assembly1 Jun 2023US 2023/0167977 A1
Most cited
By later US patents