F23C 10/22
Fuel feeders specially adapted for fluidised bed combustion apparatus
Official title: Fuel feeders specially adapted for fluidised bed combustion apparatus (F23C10/26 takes precedence)
F23C10/22 (Fuel feeders specially adapted for fluidised bed combustion apparatus) appears on 65 US grants and 41 published applications in this corpus.
Search patents in F23C- Granted patents
- 65
- Published applications
- 41
- Assignees
- 52
- Inventors
- 201
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 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 | 2 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 5 |
| 2017 | 1 | 8 |
| 2018 | 7 | 3 |
| 2019 | 8 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reactor fluid supply systems1 Jul 2025US 12,344,801 B2Deeptech Recycling Limited
- Fuel supply device of circulating fluidized bed boiler16 Jul 2024US 12,038,171 B2Hyundai Heavy Industries Power Systems Co., Ltd.
- Reactor feed systems25 Jun 2024US 12,018,213 B2Recycling Technologies Ltd.
- Fluid sand falling type circulating fluidized bed boiler with a plurality of risers and method of operating the same17 May 2022US 11,333,349 B2Korea Institute of Energy Research
- Catalyst regenerator22 Mar 2022US 11,279,885 B2Korea Institute of Machinery & Materials
- Fluidized bed calcination with gas mixture comprising hydrogen26 Mar 2026US 2026/0084129 A1Metso Metals Oy
- Burner process for iron fuel combustion arrangement12 Jun 2025US 2025/0189121 A1Renewable Iron Fuel Technology B.V.
- Improvements in and relating to reactor fluid supply systems4 Apr 2024US 2024/0110106 A1Recycling Technologies Ltd.
- Distributor support system for chemical feed distributors in fluidized bed systems23 Nov 2023US 2023/0372889 A1Dow Global Technologies LLC
- Chemical feed distributors and methods of using the same16 Nov 2023US 2023/0364570 A1Dow Global Technologies LLC
Most cited
By later US patents
- Method and apparatus for fluidized bed combustion21US 4,646,637 A1987
- Fluidized-bed combustion system18US 4,460,330 AIshikawajima-Harima Jukogyo Kabushiki Kaisha · 1984
- Feed of material to fluidized beds17US 4,279,222 AFlameless Furnaces Limited · 1981
- Fluidized bed furnace17US 4,427,375 AFata European Group S.p.A. · 1984
- Combustor15US 4,148,437 AThe British Petroleum Company p.l.c. · 1979