F23N 2237/18
Fluidized bed burners
Official title: fluidized bed burners
F23N2237/18 (Fluidized bed burners) appears on 24 US grants and 10 published applications in this corpus.
Search patents in F23N- Granted patents
- 24
- Published applications
- 10
- Assignees
- 22
- Inventors
- 72
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 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 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reactor fluid supply systems1 Jul 2025US 12,344,801 B2Deeptech Recycling Limited
- Reactor feed systems25 Jun 2024US 12,018,213 B2Recycling Technologies Ltd.
- Control method for the operation of a combustion boiler13 Jul 2021US 11,060,719 B2Improbed AB
- Method for operating a fluidized bed boiler29 Jun 2021US 11,047,568 B2Improbed AB
- Method and arrangement for optimising combustion conditions in a fluidised-bed boiler9 Jun 2015US 9,052,106 B2Valmet Technologies Oy
- Improvements in and relating to reactor fluid supply systems4 Apr 2024US 2024/0110106 A1Recycling Technologies Ltd.
- Improvements in and relating to reactor feed systems17 Nov 2022US 2022/0363994 A1Recycling Technologies Ltd.
- A method for operating a fluidized bed boiler28 Jun 2018US 2018/0180281 A1Improbed AB
- Control method for the operation of a combustion boiler28 Jun 2018US 2018/0180282 A1Improbed AB
- Fluidized bed furnace12 Dec 2013US 2013/0327257 A1Kobelco Eco-Solutions Co., Ltd.
Most cited
By later US patents
- Method of regulating mass streams28US 4,521,139 ABrennstoffinstitut Freiberg · 1985
- Incineration control apparatus for a fluidized bed boiler27US 5,052,344 AEbara Corporation · 1991
- Method of controlling combustion in fluidized bed incinerator19US 4,986,198 AEbara Corporation · 1991
- Dynamically auto-tuning a gas turbine engine17US 8,417,433 B2ALSTOM Technology Ltd · 2013
- Fluidizing gas control system in fluidized-bed incinerator16US 4,441,435 AHitachi, Ltd. · 1984