F24B 1/1902
In combination with provisions for heating air only
Official title: {in combination with provisions for heating air only}
F24B1/1902 (In combination with provisions for heating air only) appears on 33 US grants and 16 published applications in this corpus.
Search patents in F24B- Granted patents
- 33
- Published applications
- 16
- Assignees
- 19
- Inventors
- 53
- Latest grant
- 27 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 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 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 2 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Solid fuel clean burning zero clearance fireplace27US 5,263,471 A1993
- Fireplace with air control dampers24US 4,224,921 ABerwin Development Ltd. · 1980
- Fireplace chimney furnace21US 4,043,313 A1977
- Prefabricated fireplace for permanent installation21US 4,271,815 AChinook Manufacturing Co. · 1981
- Combustion air system21US 4,349,009 AOverhead Door Corporation · 1982