F22G 5/04
Controlling superheat temperature: by regulating flue gas flow
Official title: by regulating flue gas flow, e.g. by proportioning or diverting
F22G5/04 (Controlling superheat temperature: by regulating flue gas flow) appears on 7 US grants and 7 published applications in this corpus.
Search patents in F22G- Granted patents
- 7
- Published applications
- 7
- Assignees
- 12
- Inventors
- 30
- Latest grant
- 19 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
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| 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 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for controlling a recovery boiler19 May 2020US 10,655,849 B2Valmet Automation Oy
- Combined cycle power plant and start-up method of the same20 Aug 2019US 10,385,736 B2Mitsubishi Hitachi Power Systems, Ltd.
- Back-up boiler system for a solar thermal power plant based on molten salt technology, a solar thermal power plant and a method for operating a solar thermal power plant2 May 2017US 9,638,064 B2ENEA - Agenzia nazionale per le nuove tecnologie, l’energia e lo sviluppo economico sostenibile
- System and apparatus for controlling temperature in a heat recovery steam generator7 Jul 2015US 9,074,494 B2General Electric Company
- Steam temperature control in a boiler system using reheater variables31 Jan 2012US 8,104,283 B2Emerson Process Management Power & Water Solutions, Inc.
- System for reheat steam temperature turndown control in heat recovery steam generators23 Jul 2026US 2026/0210275 A1General Electric Technology GmbH
- Method for controlling a recovery boiler20 Dec 2018US 2018/0363900 A1Valmet Automation Oy
- Combined Cycle Power Plant and Start-Up Method of the Same26 Jan 2017US 2017/0022847 A1Mitsubishi Hitachi Power Systems, Ltd.
- Back-up boiler system for a solar thermal power plant based on molten salt technology, a solar thermal power plant and a method for operating a solar thermal power plant2 Apr 2015US 2015/0089944 A1Enea, Agenzia nazionale per le nuove tecnologje, l'energia e lo sviluppo economico sostenibile
- System and apparatus for controlling temperature in a heat recovery steam generator25 Apr 2013US 2013/0098313 A1General Electric Company
Most cited
By later US patents
- Steam boiler with gas mixing apparatus7US 4,738,226 AMitsubishi Jukogyo Kabushiki Kaisha · 1988
- Cascaded steam temperature control applied to a universal pressure boiler5US 5,279,263 AElsag International N. V. · 1994
- System and apparatus for controlling temperature in a heat recovery steam generator4US 9,074,494 B2General Electric Company · 2015
- Method for controlling a recovery boiler2US 10,655,849 B2Valmet Automation Oy · 2020
- Steam temperature control in a boiler system using reheater variables2US 8,104,283 B2Emerson Process Management Power & Water Solutions, Inc. · 2012