F22G 1/02
Steam superheating characterised by heating method: with heat supply by hot flue
Official title: with heat supply by hot flue gases from the furnace of the steam boiler
F22G1/02 (Steam superheating characterised by heating method: with heat supply by hot flue) appears on 39 US grants and 50 published applications in this corpus.
Search patents in F22G- Granted patents
- 39
- Published applications
- 50
- Assignees
- 42
- Inventors
- 126
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 4 |
| 2015 | 4 | 5 |
| 2016 | 0 | 4 |
| 2017 | 3 | 6 |
| 2018 | 6 | 3 |
| 2019 | 4 | 3 |
| 2020 | 5 | 3 |
| 2021 | 6 | 2 |
| 2022 | 1 | 2 |
| 2023 | 3 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Integrated steam generator and superheater with process gas in ammonia synloop15 Jul 2025US 12,358,803 B2Kellogg Brown & Root LLC
- Arrangement for and a method of operating a steam boiler system26 Dec 2023US 11,850,550 B2Sumitomo SHI FW Energia Oy
- Gas turbine exhaust heat recovery plant30 May 2023US 11,661,867 B2Mitsubishi Heavy Industries, Ltd.
- Large scale cost effective direct steam generator system, method, and apparatus11 Apr 2023US 11,624,299 B2XDI Holdings, LLC
- Large scale cost effective direct steam generator system, method, and apparatus8 Feb 2022US 11,242,772 B2XDI Holdings, LLC
- System for reheat steam temperature turndown control in heat recovery steam generators8 Oct 2026US 2026/0309057 A1GE Vernova Infrastructure Technology LLC
- Flue gas circulation system for improving combustion characteristics and thermal characteristics of pulverized coal fired boiler3 Sep 2026US 2026/0258941 A1Xi'an Thermal Power Research Institute Co., Ltd.
- Apparatus and process for producing a superheated steam2 Jul 2026US 2026/0185699 A1Uop LLC
- Method and System for Steam Cracking19 Mar 2026US 2026/0078070 A1Linde Aktiengesellschaft
- Boiler with packaged heat exchanger for superheated steam control8 Jan 2026US 2026/0009533 A1DAELIM ROYAL EnP CO., LTD.
Most cited
By later US patents
- Steam boilers6US 4,109,613 AFoster Wheeler Energy Corporation · 1978
- Water vaporizer with intermediate steam superheating pass4US 8,171,985 B2Modine Manufacturing Company · 2012
- Method and apparatus for improved firing of biomass and other solid fuels for steam production and gasification4US 9,140,446 B22015
- Steam boiler3US 8,955,467 B12015
- Method and apparatus for improved firing of biomass and other solid fuels for steam production and gasification2US 10,627,105 B22020