F22B 31/0069
Systems therefor
Official title: {Systems therefor}
F22B31/0069 (Systems therefor) appears on 17 US grants and 2 published applications in this corpus.
Search patents in F22B- Granted patents
- 17
- Published applications
- 2
- Assignees
- 15
- Inventors
- 54
- Latest grant
- 17 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluid sand falling type circulating fluidized bed boiler with a plurality of risers and method of operating the same17 May 2022US 11,333,349 B2Korea Institute of Energy Research
- Circulating fluidized bed repowering to reduce Sox and Nox emissions from industrial and utility boilers16 Jul 1996US 5,535,687 ARaytheon Engineers & Constructors, Inc.
- PFBC power plant31 Jul 1990US 4,944,150 AABB Stal AB
- Coal combustion with a fluidized incineration bed12 Jun 1990US 4,932,335 ASaarbergwerke Aktiengesellschaft
- Firing equipment that can be operated under turbocharge20 Mar 1990US 4,909,029 AL. & C. Steinmuller GmbH
Most cited
By later US patents
- Recirculating flue gas fluidized bed heater34US 4,355,601 AConoco Inc. · 1982
- Fluidized bed coal combustion reactor13US 4,287,838 A1981
- Utilization of low grade fuels10US 4,700,639 A1987
- Circulating fluidized bed repowering to reduce Sox and Nox emissions from industrial and utility boilers10US 5,535,687 ARaytheon Engineers & Constructors, Inc. · 1996
- Steam power plant with fluidized bed heat source for superheater and method of producing superheated steam8US 4,085,593 AStal-Laval Turbin AB · 1978