F23C 2900/10008
Special arrangements of return flow seal valve in fluidized bed combustors
F23C2900/10008 (Special arrangements of return flow seal valve in fluidized bed combustors) appears on 6 US grants and 9 published applications in this corpus.
Search patents in F23C- Granted patents
- 6
- Published applications
- 9
- Assignees
- 8
- Inventors
- 28
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
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| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
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| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
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| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of preventing blockage of circulating bed material in a circulating fluidized bed reactor arrangement30 Dec 2025US 12,510,244 B2Sumitomo SHI FW Energia Oy
- System, method and apparatus for controlling the flow direction, flow rate and temperature of solids1 Oct 2019US 10,429,064 B2General Electric Technology GmbH
- System and method and apparatus for maintaining a pressure balance in a solids flow loop and for controlling the flow of solids therethrough3 Jul 2018US 10,011,441 B2General Electric Technology GmbH
- High temperature and pressure solids handling system8 May 2018US 9,963,649 B2Synthesis Energy Systems, Inc.
- Circulating fluidized bed reactor14 Oct 2003US 6,631,698 B1Foster Wheeler Energia Oy
- Method of preventing blockage of circulating bed material in a circulating fluidized bed reactor arrangement13 Jul 2023US 2023/0220989 A1Sumitomo SHI FW Energia Oy
- System and method and apparatus for maintaining a pressure balance in a solids flow loop and for controlling the flow of solids therethrough5 Oct 2017US 2017/0283191 A1General Electric Technology GmbH
- System, method and apparatus for controlling the flow direction, flow rate and temperature of solids5 Oct 2017US 2017/0284660 A1General Electric Technology GmbH
- High temperature and pressure solids handling system11 May 2017US 2017/0130148 A1Synthesis Energy Systems, Inc.
- Seal pot design15 Dec 2016US 2016/0362622 A1Res USA, LLC
Most cited
By later US patents
- Circulating fluidized bed reactor32US 6,631,698 B1Foster Wheeler Energia Oy · 2003
- Heating stove which includes a pyrolysis gasifier8US 4,738,205 AAblestien Industries, Inc. · 1988
- System, method and apparatus for controlling the flow direction, flow rate and temperature of solids2US 10,429,064 B2General Electric Technology GmbH · 2019