F23N 2225/10
Stack temperature
Official title: stack temperature
F23N2225/10 (Stack temperature) appears on 148 US grants and 69 published applications in this corpus.
Search patents in F23N- Granted patents
- 148
- Published applications
- 69
- Assignees
- 89
- Inventors
- 272
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 7 | 5 |
| 2003 | 3 | 1 |
| 2004 | 5 | 7 |
| 2005 | 0 | 4 |
| 2006 | 5 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 4 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 8 |
| 2014 | 4 | 2 |
| 2015 | 2 | 3 |
| 2016 | 3 | 0 |
| 2017 | 4 | 3 |
| 2018 | 2 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 3 | 2 |
| 2022 | 1 | 6 |
| 2023 | 2 | 1 |
| 2024 | 2 | 3 |
| 2025 | 3 | 2 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydronic surface heater with auto-adjusting burner7 Jul 2026US 12,674,578 B2Wacker Neuson America Corporation
- Method and device for controlling the combustion in furnace systems17 Feb 2026US 12,553,607 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Furnace monitoring and control based on rate of flue gas temperature change27 Jan 2026US 12,535,229 B2Carrier Corporation
- Combustion method for controlling and monitoring exhaust gas emissions in boilers6 Jan 2026US 12,516,813 B2Oriental Giant Dyes & Chemical Ind. Corp.
- Methods for controlling the temperature of an incinerator8 Jul 2025US 12,351,453 B2Saudi Arabian Oil Company
- Flue gas circulation system for improving combustion characteristics and thermal characteristics of pulverized coal fired boiler3 Sep 2026US 2026/0258941 A1Xi'an Thermal Power Research Institute Co., Ltd.
- Method and system for controlling operation of an inducer motor of a combustion system30 Apr 2026US 2026/0117973 A1Carrier Corporation
- Combustion system and prediction device31 Jul 2025US 2025/0244012 A1IHI Corporation
- Combustion boiler control method, combustion boiler, and boiler computation system3 Apr 2025US 2025/0109850 A1Sumitomo SHI FW Energia Oy
- Method of operating a heat releasing reactor, a heat releasing reactor, and a computation system for a heat releasing reactor14 Nov 2024US 2024/0377059 A1Sumitomo SHI FW Energia Oy
Most cited
By later US patents
- Variable heat generating method and apparatus129US 4,622,007 AAmerican Combustion, Inc. · 1986
- Method and system for incorporating an emission sensor into a gas turbine controller100US 7,032,388 B2General Electric Company · 2006
- Furnace monitoring system97US 4,296,727 AMicro-Burner Systems Corporation · 1981
- System for determining gas turbine firing and combustion reference temperature having correction for water content in combustion air97US 6,805,483 B2General Electric Company · 2004
- Method and apparatus for generating highly luminous flame78US 4,797,087 AAmerican Combustion, Inc. · 1989