F23C 10/20
Inlets for fluidisation air
Official title: Inlets for fluidisation air, e.g. grids; Bottoms
F23C10/20 (Inlets for fluidisation air) appears on 138 US grants and 88 published applications in this corpus.
Search patents in F23C- Granted patents
- 138
- Published applications
- 88
- Assignees
- 96
- Inventors
- 330
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 3 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 5 |
| 2009 | 2 | 0 |
| 2010 | 2 | 3 |
| 2011 | 1 | 6 |
| 2012 | 1 | 6 |
| 2013 | 2 | 5 |
| 2014 | 2 | 4 |
| 2015 | 5 | 4 |
| 2016 | 4 | 7 |
| 2017 | 4 | 7 |
| 2018 | 7 | 6 |
| 2019 | 9 | 3 |
| 2020 | 2 | 3 |
| 2021 | 4 | 7 |
| 2022 | 2 | 4 |
| 2023 | 6 | 3 |
| 2024 | 5 | 3 |
| 2025 | 1 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pulverized coal boiler with bottom combustor, and control method therefor26 May 2026US 12,638,172 B2Institute of Engineering Thermophysics, Chinese Acadamy of Sciences
- Induced circulation among integrated bubbling zones14 Oct 2025US 12,440,818 B2
- Fuel supply device of circulating fluidized bed boiler16 Jul 2024US 12,038,171 B2Hyundai Heavy Industries Power Systems Co., Ltd.
- Biomass upgrading system25 Jun 2024US 12,018,835 B2BioShare AB
- System and method for biomass combustion14 May 2024US 11,982,442 B2Morgan State University
- Grate arrangement and method11 Sep 2025US 2025/0283596 A1Valmet Technologies Oy
- Boiler for iron fuel combustion arrangement28 Aug 2025US 2025/0271134 A1Renewable Iron Fuel Technology B.V.
- Fluidized furnace distribution plate and fluidized furnace including the same31 Jul 2025US 2025/0244079 A1Posco
- Burner process for iron fuel combustion arrangement12 Jun 2025US 2025/0189121 A1Renewable Iron Fuel Technology B.V.
- Cyclone for a thermal system26 Dec 2024US 2024/0426476 A1Valmet Technologies Oy
Most cited
By later US patents
- Fast fluidized bed reactor and method of operating the reactor33US 4,457,289 AYork-Shipley, Inc. · 1984
- Distributor plate for fluidized bed reactor30US 4,841,884 AA. Ahlstrom Corporation · 1989
- Nozzle for fluidized bed mixing/dispersing arrangement29US 5,637,815 AShin-Etsu Chemical Co., Ltd. · 1997
- Grid construction for a fluidized bed reactor27US 7,244,399 B2Foster Wheeler Energia Oy · 2007
- Gas distributor for fluidizing beds26US 4,115,929 AElectric Power Research Institute, Inc. · 1978