F27B 15/18
Arrangements of controlling devices
F27B15/18 (Arrangements of controlling devices) appears on 19 US grants and 27 published applications in this corpus.
Search patents in F27B- Granted patents
- 19
- Published applications
- 27
- Assignees
- 27
- Inventors
- 77
- Latest grant
- 27 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 3 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 0 |
| 2015 | 2 | 1 |
| 2016 | 2 | 3 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for direct reduction in a fluidized bed27 Jun 2023US 11,685,961 B2Primetals Technologies Austria GmbH
- System and method for fluidized bed reduction of powdered iron ore19 Mar 2019US 10,233,510 B2Bejing Zhongkaihongde Technology Co., Ltd.
- System and method for fluidized direct reduction of iron ore concentrate powder16 Oct 2018US 10,100,379 B2Beijing Zhongkaihongde Technology Co., Ltd
- Fluidized bed system and method for operating fluidized bed furnace3 Jul 2018US 10,011,794 B2IHI Corporation
- Method and device for introducing fine particle-shaped material into the fluidised bed of a fluidised bed reduction unit6 Dec 2016US 9,512,496 B2Primetals Technologies Austria GmbH
- Device for colour optimisation of activated clays16 Jul 2026US 2026/0202131 A1thyssenkrupp AG
- Particle sorting method, quality evaluation method, and burning process control method30 Apr 2026US 2026/0116819 A1Taiheiyo Cement Corporation
- System and method for heat-treating mineral material7 Aug 2025US 2025/0251194 A1thyssenkrupp AG
- Gypsum Calcining Apparatuses and Methods15 May 2025US 2025/0153124 A1United States Gypsum Company
- System and method for manufacturing calcined gypsum with temperature control mechanism1 May 2025US 2025/0136504 A1United States Gypsum Company
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
- Plant and method for regenerating sand from foundry cores and moulds by calcination in a fluidized-bed furnace35US 4,478,572 AFata Industriale S.p.A. · 1984
- Fluid bed furnace and fuel supply system for use therein25US 4,242,077 AFennell Corporation · 1980
- Apparatus and method for sequestering flue gas CO213US 7,879,305 B2University of Wyoming · 2011
- Fluidized bed combustion units11US 4,505,230 AEnergy Equipment Corporation · 1985