F23N 5/18
Systems for controlling combustion: using detectors sensitive to rate of flow of
Official title: using detectors sensitive to rate of flow of air or fuel
F23N5/18 (Systems for controlling combustion: using detectors sensitive to rate of flow of) appears on 435 US grants and 302 published applications in this corpus.
Search patents in F23N- Granted patents
- 435
- Published applications
- 302
- Assignees
- 277
- Inventors
- 935
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 7 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 11 | 0 |
| 1990 | 11 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 14 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 12 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 2 |
| 2002 | 2 | 2 |
| 2003 | 10 | 7 |
| 2004 | 3 | 9 |
| 2005 | 2 | 4 |
| 2006 | 6 | 5 |
| 2007 | 6 | 13 |
| 2008 | 1 | 6 |
| 2009 | 1 | 6 |
| 2010 | 6 | 16 |
| 2011 | 3 | 26 |
| 2012 | 5 | 17 |
| 2013 | 16 | 11 |
| 2014 | 13 | 19 |
| 2015 | 13 | 9 |
| 2016 | 8 | 11 |
| 2017 | 10 | 8 |
| 2018 | 7 | 14 |
| 2019 | 14 | 23 |
| 2020 | 15 | 22 |
| 2021 | 15 | 20 |
| 2022 | 20 | 9 |
| 2023 | 10 | 8 |
| 2024 | 10 | 19 |
| 2025 | 6 | 10 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and kiln for the firing of substantially flat base ceramic articles8 Sep 2026US 12,729,855 B2Sacmi Forni & Filter S.P.A.
- Monitoring and maintaining flare tip temperatures4 Aug 2026US 12,698,896 B2Saudi Arabian Oil Company
- Hydronic surface heater with auto-adjusting burner7 Jul 2026US 12,674,578 B2Wacker Neuson America Corporation
- Method and controller for operating a gas burner appliance19 May 2026US 12,631,331 B2Pittway Sarl
- Device and method for controlling a fuel-oxidizer mixture for a premix gas burner14 Apr 2026US 12,601,477 B2Bertelli & Partners S.R.L.
- Remaining gas amount management system27 Aug 2026US 2026/0251490 A1Panasonic Intellectual Property Management Co., Ltd.
- Combustion system capable of operating with a recycling of combustion fumes30 Jul 2026US 2026/0218900 A1Carbodown
- System and method for optimizing combustion in a boiler30 Apr 2026US 2026/0117968 A1General Electric Technology GmbH
- Processes for Managing Combustion of a Fuel Gas Supplied to a Combustion Zone5 Mar 2026US 2026/0063294 A1
- Combustion device and hot water device including same5 Mar 2026US 2026/0063330 A1Noritz Corporation
Most cited
By later US patents
- Integrated appliance control system186US 6,059,195 ATridelta Industries, Inc. · 2000
- Modulating furnace with two-speed draft inducer138US 5,732,691 ARheem Manufacturing Company · 1998
- Non-recovery coke oven gas combustion system135US 5,968,320 AStelco Inc. · 1999
- Variable heat generating method and apparatus129US 4,622,007 AAmerican Combustion, Inc. · 1986
- Integrated furnace control having ignition and pressure switch diagnostics129US 4,842,510 AHamilton Standard Controls, Inc. · 1989