F22B 33/18
Combinations of steam boilers with other apparatus
F22B33/18 (Combinations of steam boilers with other apparatus) appears on 56 US grants and 57 published applications in this corpus.
Search patents in F22B- Granted patents
- 56
- Published applications
- 57
- Assignees
- 54
- Inventors
- 183
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 4 |
| 2013 | 1 | 2 |
| 2014 | 4 | 5 |
| 2015 | 2 | 3 |
| 2016 | 0 | 2 |
| 2017 | 5 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 5 |
| 2020 | 1 | 4 |
| 2021 | 3 | 6 |
| 2022 | 6 | 4 |
| 2023 | 1 | 4 |
| 2024 | 3 | 1 |
| 2025 | 4 | 4 |
| 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
- Neutron absorbing apparatus4 Mar 2025US 12,243,662 B2Holtec International
- Process and device for providing vapor7 Jan 2025US 12,188,122 B2Singulus Technologies AG
- Calcination apparatus and processes9 Jul 2026US 2026/0192270 A1The University of Adelaide
- 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.
- Solid electric thermal storage superheated steam output system1 May 2025US 2025/0137636 A1
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
- Electric heat exchanger for simultaneously vaporizing two different fluids56US 4,480,172 A1984
- Power plant and method of retrofitting existing power plants21US 4,928,635 A1990
- Power plant integrating coal-fired steam boiler with air turbine20US 4,479,355 AExxon Research & Engineering Co. · 1984