F23N 3/007
Regulating air supply or draught: using mechanical means
Official title: {using mechanical means (F23N3/02 - F23N3/08 take precedence)}
F23N3/007 (Regulating air supply or draught: using mechanical means) appears on 32 US grants and 41 published applications in this corpus.
Search patents in F23N- Granted patents
- 32
- Published applications
- 41
- Assignees
- 33
- Inventors
- 89
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 2 | 3 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 2 |
| 2017 | 5 | 5 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 5 |
| 2022 | 5 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable burner nozzle for multiple fuels5 May 2026US 12,618,555 B2Honeywell International Inc.
- Indexed vent for natural draft cooking devices11 Mar 2025US 12,247,744 B2W. C. Bradley Company
- Outdoor cooking system with improved heat and flame control9 Jan 2024US 11,867,408 B2Magma Products
- Controlled secondary air supply range burner27 Jun 2023US 11,686,472 B2Gas Technology Institute
- Plug-resistant burner tip and method22 Nov 2022US 11,506,381 B2Zeeco, Inc.
- Pulse flow reactors and systems or uses thereof27 Aug 2026US 2026/0249124 A1ThermoChem Recovery International, Inc.
- Manual air control device for gas burner6 Aug 2026US 2026/0227065 A1SNT Co., Ltd.
- Combustion device30 Jan 2025US 2025/0035303 A1Lepaier Global Co., Ltd.
- Adjustable burner nozzle for multiple fuels17 Oct 2024US 2024/0344695 A1Honeywell International Inc.
- Secondary combustion furnace with combustion speed adjustment function14 Sep 2023US 2023/0288064 A1
Most cited
By later US patents
- Device for regulating the combustion air of a furnace, especially with oil- or gasburner and blower for heating installations15US 3,978,883 ADanfoss A/S · 1976
- Control of an adjustable secondary air controller for a burner14US 7,905,722 B12011
- Air control system for a burner9US 4,850,853 AHunter Manufacturing Co. · 1989
- Low emission woodstove5US 8,869,788 B2United States Stove Company · 2014
- Burner units for fluid fuels3US 4,090,839 A1978