F22B 35/002
Control by recirculating flue gases
Official title: {Control by recirculating flue gases (for superheaters F22G5/06)}
F22B35/002 (Control by recirculating flue gases) appears on 29 US grants and 28 published applications in this corpus.
Search patents in F22B- Granted patents
- 29
- Published applications
- 28
- Assignees
- 21
- Inventors
- 65
- Latest grant
- 12 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 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 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 10 |
| 2012 | 0 | 0 |
| 2013 | 7 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for waste heat recovery and emission reduction12 Oct 2021US 11,143,396 B2Preferred Utilities Manufacturing Corporation
- Method and apparatus for reheat steam temperature control of oxy-fired boilers9 Feb 2021US 10,914,467 B2General Electric Technology GmbH
- Advanced ultra supercritical steam generator23 Jan 2018US 9,874,346 B2The Babcock & Wilcox Company
- Method and apparatus for evaporating organic working media28 Nov 2017US 9,829,194 B2Orcan Energy AG
- Method and apparatus of controlling oxygen supply in oxyfuel combustion boiler30 Aug 2016US 9,429,315 B2Electric Power Development Co., Ltd.
- System and Method for Combusting High-Moisture Fuel to Generate Steam1 May 2025US 2025/0137637 A1Air Products and Chemicals, Inc.
- Wind-assisted air supply to coal-fired power plants7 Mar 2024US 2024/0077202 A9
- Wind-assisted air supply to coal-fired power plants22 Oct 2020US 2020/0333000 A1
- Method and Apparatus for Waste Heat Recovery and Emission Reduction20 Jun 2019US 2019/0186730 A1Preferred Utilities Manufacturing Corporation
- Method and Apparatus For Evaporating Organic Working Media18 Feb 2016US 2016/0047540 A1Orcan Energy AG
Most cited
By later US patents
- Method and apparatus for evaporating organic working media51US 9,829,194 B2Orcan Energy AG · 2017
- Heat recovery apparatus and an improved heat recovery method40US 5,347,958 A1994
- Direct evaporator apparatus and energy recovery system40US 8,511,085 B2General Electric Company · 2013
- Steam generating system with NO.sub.x reduction26US 5,040,470 AShell Western E&P Inc. · 1991
- Circulating fluidized bed steam generator having means for minimizing mass of solid materials recirculated24US 4,473,033 AElectrodyne Research Corporation · 1984