F27B 15/02
Details, accessories or equipment specially adapted for furnaces of these types
F27B15/02 (Details, accessories or equipment specially adapted for furnaces of these types) appears on 239 US grants and 194 published applications in this corpus.
Search patents in F27B- Granted patents
- 239
- Published applications
- 194
- Assignees
- 193
- Inventors
- 602
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 10 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 13 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 4 |
| 2006 | 2 | 6 |
| 2007 | 2 | 4 |
| 2008 | 0 | 13 |
| 2009 | 6 | 13 |
| 2010 | 6 | 10 |
| 2011 | 8 | 12 |
| 2012 | 10 | 15 |
| 2013 | 6 | 6 |
| 2014 | 10 | 3 |
| 2015 | 8 | 11 |
| 2016 | 8 | 10 |
| 2017 | 3 | 4 |
| 2018 | 7 | 8 |
| 2019 | 8 | 3 |
| 2020 | 7 | 3 |
| 2021 | 6 | 13 |
| 2022 | 2 | 9 |
| 2023 | 12 | 11 |
| 2024 | 6 | 8 |
| 2025 | 3 | 18 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F27B 15/10Arrangements of air or gas supply devices113
- F27B 15/14Arrangements of heating devices63
- F27B 15/08Arrangements of devices for charging25
- F27B 15/18Arrangements of controlling devices19
- F27B 15/16Arrangements of cooling devices18
- F27B 15/09Arrangements of devices for discharging15
- F27B 15/04Casings13
- F27B 15/12Arrangements of dust collectors12
All 9 subgroupsShow fewer
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
- 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
- Method for coating short fibres8 Apr 2025US 12,269,780 B2Centre National De La Recherche Scientifique
- 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.
- 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
- Spray calcination and drying process to produce high-purity alumina2 Jul 2026US 2026/0184584 A1
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 calcining system54US 4,161,389 AProcedyne Corp. · 1979
- Adjustable particle cooler for a circulating fluidized bed reactor40US 4,813,479 AGotaverken Energy AB · 1989
- Method and product of fly ash benefication by carbon burnout in a dry bubbling fluid bed40US 5,160,539 AProgress Materials, Inc. · 1992