F22B 31/045
Steam generators specially adapted for burning refuse
Official title: {Steam generators specially adapted for burning refuse}
F22B31/045 (Steam generators specially adapted for burning refuse) appears on 52 US grants and 16 published applications in this corpus.
Search patents in F22B- Granted patents
- 52
- Published applications
- 16
- Assignees
- 31
- Inventors
- 98
- Latest grant
- 17 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 0 |
| 2002 | 1 | 3 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 4 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Comprehensive utilization system for high-temperature gasification and low-nitrogen combustion of biomass17 Jan 2023US 11,555,610 B2Guangdong University of Technology
- Arrangement of heat recovery surfaces of a recovery boiler10 Dec 2019US 10,502,410 B2Andritz Inc.
- Chemical recovery boiler16 Apr 2019US 10,260,744 B2Valmet Technologies Oy
- Steam cycle efficiency improvement with pre-economizer4 Oct 2016US 9,459,005 B2The Babcock & Wilcox Company
- Boiler producing steam from flue gases under optimized conditions7 Aug 2012US 8,234,985 B2Babcock & Wilcox Vølund A/S
- Comprehensive utilization system for high-temperature gasification and low-nitrogen combustion of biomass11 Feb 2021US 2021/0041099 A1Guangdong University of Technology
- Arrangement of heat recovery surfaces of a recovery boiler14 Mar 2019US 2019/0078773 A1Andritz Inc.
- Chemical recovery boiler28 Jun 2018US 2018/0180284 A1Valmet Technologies Oy
- Steam cycle efficiency improvement with pre-economizer1 Mar 2012US 2012/0048215 A1The Babcock & Wilcox Company
- Boiler producing steam from flue gases under optimized conditions11 Jun 2009US 2009/0145344 A1Babcock & Wilcox Vølund A/S
Most cited
By later US patents
- Method and apparatus for producing superheated steam using heat from the incineration of waste material59US 6,133,499 AMitsubishi Heavy Industries, Ltd. · 2000
- Energy recovery system for an incinerator51US 4,485,746 AKelley Company, Inc. · 1984
- Method and apparatus for generating electric power by combusting wastes20US 6,381,962 B1Ebara Corporation · 2002
- Refuse incineration system18US 4,516,511 A1985
- Methods of and apparatus for treating waste products17US 4,437,418 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1984