F27B 15/00
Fluidised-bed furnaces
Official title: Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
F27B15/00 (Fluidised-bed furnaces) appears on 407 US grants and 230 published applications in this corpus.
Search patents in F27B- Granted patents
- 407
- Published applications
- 230
- Assignees
- 278
- Inventors
- 931
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 12 | 0 |
| 1981 | 13 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 15 | 0 |
| 1985 | 12 | 0 |
| 1986 | 17 | 0 |
| 1987 | 9 | 0 |
| 1988 | 13 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 13 | 0 |
| 1994 | 17 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 13 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 3 |
| 2004 | 5 | 5 |
| 2005 | 4 | 4 |
| 2006 | 4 | 7 |
| 2007 | 2 | 4 |
| 2008 | 0 | 14 |
| 2009 | 6 | 13 |
| 2010 | 8 | 12 |
| 2011 | 9 | 13 |
| 2012 | 11 | 16 |
| 2013 | 6 | 7 |
| 2014 | 12 | 5 |
| 2015 | 8 | 11 |
| 2016 | 9 | 10 |
| 2017 | 4 | 6 |
| 2018 | 7 | 9 |
| 2019 | 9 | 4 |
| 2020 | 8 | 4 |
| 2021 | 7 | 17 |
| 2022 | 3 | 10 |
| 2023 | 14 | 14 |
| 2024 | 6 | 10 |
| 2025 | 4 | 20 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Calcination unit for decarbonating raw materials7 Jul 2026US 12,674,621 B2Fives Fcb
- Apparatus and process for calcining feed material30 Jun 2026US 12,668,535 B2Air Products and Chemicals, Inc.
- Device and method for the thermal treatment of a mineral feedstock30 Jun 2026US 12,668,537 B2thyssenkrupp AG
- System for smelting tin-containing materials and method for smelting same3 Jun 2025US 12,319,980 B2
- Method for inductively heating steel ingots on a transport shoe and device for carrying out the method15 Apr 2025US 12,276,457 B2SMS group GmbH
- Multiple hearth furnace for placing a solid and a gas in contact8 Oct 2026US 2026/0309411 A1Avril
- Cementitious reagents, methods of manufacturing and uses thereof1 Oct 2026US 2026/0296966 A1Terra Co2 Technology Holdings, Inc.
- Calcination reactor arrangement, calcination system and calcination method20 Aug 2026US 2026/0241355 A1Limearc Process AB
- Gypsum calcining apparatuses and methods23 Jul 2026US 2026/0209115 A1United States Gypsum Company
- Device for colour optimisation of activated clays16 Jul 2026US 2026/0202131 A1thyssenkrupp AG
Most cited
By later US patents
- Method and device for controlling the temperature of a reaction carried out in a fluidized bed75US 4,552,203 ACreusot-Loire · 1985
- Fluid bed reactor having vertically spaced apart clusters of heating conduits73US 7,569,086 B2ThermoChem Recovery International, Inc. · 2009
- Fluidized bed combustor62US 4,338,283 ABabcock-Hitachi Kabushiki Kaisha · 1982
- Method of and apparatus for carrying out an exothermic process60US 4,111,158 AMetallgesellschaft Aktiengesellschaft · 1978
- Apparatus and process for regenerating catalyst58US 7,026,262 B1Uop LLC · 2006