F24B 1/185
With air-handling means, heat exchange means, or additional provisions for convection heating
Official title: with air-handling means, heat exchange means, or additional provisions for convection heating (with additional provisions for heating water F24B1/183; component parts or accessories having air-handling means, heat exchange means, or additional provisions for convection heating F24B1/191); Controlling combustion
F24B1/185 (With air-handling means, heat exchange means, or additional provisions for convection heating) appears on 486 US grants and 194 published applications in this corpus.
Search patents in F24B- Granted patents
- 486
- Published applications
- 194
- Assignees
- 148
- Inventors
- 664
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 34 | 0 |
| 1978 | 36 | 0 |
| 1979 | 33 | 0 |
| 1980 | 45 | 0 |
| 1981 | 46 | 0 |
| 1982 | 21 | 0 |
| 1983 | 19 | 0 |
| 1984 | 22 | 0 |
| 1985 | 12 | 0 |
| 1986 | 11 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 10 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 2 |
| 2003 | 5 | 5 |
| 2004 | 6 | 3 |
| 2005 | 2 | 9 |
| 2006 | 1 | 3 |
| 2007 | 3 | 2 |
| 2008 | 1 | 4 |
| 2009 | 1 | 3 |
| 2010 | 2 | 4 |
| 2011 | 0 | 6 |
| 2012 | 0 | 5 |
| 2013 | 4 | 9 |
| 2014 | 2 | 9 |
| 2015 | 5 | 11 |
| 2016 | 7 | 8 |
| 2017 | 5 | 6 |
| 2018 | 5 | 19 |
| 2019 | 7 | 11 |
| 2020 | 16 | 19 |
| 2021 | 7 | 14 |
| 2022 | 11 | 8 |
| 2023 | 9 | 9 |
| 2024 | 7 | 10 |
| 2025 | 11 | 7 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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Most cited
By later US patents
- Draft hood locating device for combustion apparatus117US 5,752,500 ALennox Industries Inc. · 1998
- Space heating system, heater, and combustion chamber72US 5,553,604 A1996
- Heat extracting apparatus for fireplaces71US 4,271,814 A1981
- Apparatus and method for reducing particulate emissions from combustion processes63US 5,702,244 AThermal Energy Systems, Incorporated · 1997
- Fireplace having multi-zone heating control60US 5,983,890 ACanadian Gas Research Institute · 1999