F23N 3/045
Using electrical or electromechanical means
Official title: {using electrical or electromechanical means}
F23N3/045 (Using electrical or electromechanical means) appears on 32 US grants and 11 published applications in this corpus.
Search patents in F23N- Granted patents
- 32
- Published applications
- 11
- Assignees
- 15
- Inventors
- 44
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 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 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas heater17 Feb 2026US 12,553,620 B2Shinerich Industrial Ltd.
- Downward mobile gasification boiler for surface gas phase combustion and pyrolysis of biomass briquette11 Nov 2025US 12,467,620 B2Heilongjiang Zhongtan Jiahe Biomass Technology Research and Development Co.
- Frequency modulation auxiliary method and device for thermal power plant based on dual electric energy converter20 May 2025US 12,305,540 B1Yantai Power Plant of Huaneng Shandong Power Generation Co., Ltd.
- Monitoring opacity of smoke exhausted by wood stove and controlling wood stove based on same18 Apr 2023US 11,630,060 B2Acumentor LLC
- Monitoring opacity of smoke exhausted by wood stove and controlling wood stove based on same1 Jun 2021US 11,022,552 B2Acumentor LLC
- Gas heater8 Aug 2024US 2024/0263805 A1Shinerich Industrial Ltd.
- Downward mobile gasification boiler for surface gas phase combustion and pyrolysis of biomass briquette15 Jun 2023US 2023/0184424 A1Heilongjiang Zhongtan Jiahe Biomass Te Chnology Research and Development Co.
- Monitoring opacity of smoke exhausted by wood stove and controlling wood stove based on same12 Aug 2021US 2021/0247071 A1Acumentor LLC
- Monitoring opacity of smoke exhausted by wood stove and controlling wood stove based on same23 Jan 2020US 2020/0025681 A1Acumentor LLC
- Monitoring opacity of smoke exhausted by wood stove and controlling wood stove based on same26 Jul 2018US 2018/0209903 A1Acumentor LLC
Most cited
By later US patents
- Automatic boiler damper31US 4,046,318 A1977
- Gas burner device27US 4,204,832 AModine Manufacturing Company · 1980
- Automatic stack damper21US 4,039,123 AFlair Manufacturing Corporation · 1977
- Heating system with fuel saving draft retarder19US 3,934,796 A1976
- Method of and apparatus for automatic damper control19US 4,846,400 A1989