F23B 7/007
With fluegas recirculation to combustion chamber
Official title: {with fluegas recirculation to combustion chamber}
F23B7/007 (With fluegas recirculation to combustion chamber) appears on 23 US grants and 16 published applications in this corpus.
Search patents in F23B- Granted patents
- 23
- Published applications
- 16
- Assignees
- 10
- Inventors
- 38
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 5 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluidized bed reactor system and a method of operating a fluidized bed reactor system14 Apr 2026US 12,601,475 B2Sumitomo SHI FW Energia Oy
- Combustion system comprising an annular shroud burner15 Jul 2025US 12,359,807 B2Jupiter Oxygen Corporation
- Control method for a system having reduced nitrogen oxide emissions and for use in a carbon negative emission method20 May 2025US 12,305,121 B2Zhejiang University
- System of ultra-low nitrogen oxide emissions, negative carbon emissions and control method thereof7 May 2024US 11,976,242 B2Zhejiang University
- Combustion system comprising an annular shroud burner10 Oct 2023US 11,781,751 B2Jupiter Oxygen Corporation
- Combustion system comprising an annular shroud burner5 Feb 2026US 2026/0036299 A1Jupiter Oxygen Corporation
- Control method of nitrogen oxide ultra-low emission and carbon negative emission system11 Jul 2024US 2024/0228885 A1Zhejiang University
- Pyrolysis/Gasification System For use in a Method of Carbon Sequestration8 Jun 2023US 2023/0174867 A1Zhejiang University
- Fluidized bed reactor system and a method of operating a fluidized bed reactor system8 Jun 2023US 2023/0175687 A1Sumitomo SHI FW Energia Oy
- Biomass heating system, as well as its components27 Oct 2022US 2022/0341625 A1Sl-Technik GmbH
Most cited
By later US patents
- Solid fuel burner32US 4,167,909 A1979
- Recirculating furnace-dryer combination25US 4,017,254 A1977
- Procedure for supplying combustion air and a furnace therefor21US 5,241,916 AMartin GmbH fur Umwelt- und Energietechnik · 1993
- Waste fuel combustion system9US 5,158,025 A1992
- Turbo burner coal powered turbine energy system6US 4,574,710 A1986