F22B 33/00
Steam-generation plants
Official title: Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
F22B33/00 (Steam-generation plants) appears on 115 US grants and 115 published applications in this corpus.
Search patents in F22B- Granted patents
- 115
- Published applications
- 115
- Assignees
- 92
- Inventors
- 332
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 3 |
| 2011 | 3 | 6 |
| 2012 | 1 | 8 |
| 2013 | 6 | 5 |
| 2014 | 5 | 10 |
| 2015 | 3 | 10 |
| 2016 | 5 | 4 |
| 2017 | 8 | 3 |
| 2018 | 4 | 6 |
| 2019 | 7 | 8 |
| 2020 | 2 | 13 |
| 2021 | 9 | 8 |
| 2022 | 9 | 8 |
| 2023 | 2 | 4 |
| 2024 | 4 | 3 |
| 2025 | 6 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water processing system and method4 Aug 2026US 12,698,694 B2
- Steam utilization system of factory producing concrete pipe pile2 Dec 2025US 12,485,577 B2Guangdong University of Technology
- Vapor supply device and drying system15 Jul 2025US 12,359,848 B2IHI Corporation
- System and method for top platform assembly of heat recovery steam generator (HRSG)27 May 2025US 12,313,255 B2GE Infrastructure Technology LLC
- Neutron absorbing apparatus4 Mar 2025US 12,243,662 B2Holtec International
- Calcination apparatus and processes9 Jul 2026US 2026/0192270 A1The University of Adelaide
- Production of renewable fuel for steam generation for heavy oil extraction30 Oct 2025US 2025/0334264 A1Kore Infrastructure
- Method of heating a fluid and tube arrangement of a fluid heating furnace for such a method2 Oct 2025US 2025/0305722 A1GE Energy Power Conversion Technology Limited
- Temperature control means in a waste heat boiler25 Sep 2025US 2025/0297733 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Boiler system and method for operating boiler system1 May 2025US 2025/0137151 A1Miura Co., Ltd.
Most cited
By later US patents
- Heat exchanger for fuel cell power plant reformer108US 4,781,241 AInternational Fuel Cells Corporation · 1988
- Oilfield application of solar energy collection92US 8,701,773 B2GlassPoint Solar, Inc. · 2014
- Integrated boiler/fuel cell system69US 5,335,628 AAqua-Chem, Inc. · 1994
- Electric heat exchanger for simultaneously vaporizing two different fluids56US 4,480,172 A1984
- ORC stack-system control40US 10,570,782 B2Orcan Energy AG · 2020