F22B 1/24
Pressure-fired steam boilers
Official title: Pressure-fired steam boilers, e.g. using turbo air compressors actuated by hot gases from boiler furnace
F22B1/24 (Pressure-fired steam boilers) appears on 9 US grants and 6 published applications in this corpus.
Search patents in F22B- Granted patents
- 9
- Published applications
- 6
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dirty water distillation and salt harvesting system, method, and apparatus6 Jan 2026US 12,515,145 B2Heat IP Holdco, LLC
- Dirty water distillation and salt harvesting system, method, and apparatus16 Jan 2024US 11,872,508 B2XDI Holdings, LLC
- 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
- Furnace wall, gasification unit and integrated gasification combined cycle, and method of manufacturing furnace wall23 Mar 2021US 10,954,853 B2Mitsubishi Power, Ltd.
- Dirty water distillation and salt harvesting system, method, and apparatus30 May 2024US 2024/0173642 A1XDI Holdings, LLC
- Large scale cost effective direct steam generator system, method, and apparatus23 Jun 2022US 2022/0195897 A1XDI Holdings, LLC
- Dirty water distillation and salt harvesting system, method, and apparatus23 Jul 2020US 2020/0230516 A1XDI Holdings, LLC
- Large scale cost effective direct steam generator system, method, and apparatus23 Jul 2020US 2020/0232347 A1XDI Holdings, LLC
- Furnace wall, gasification unit and integrated gasification combined cycle, and method of manufacturing furnace wall20 Jun 2019US 2019/0186358 A1Mitsubishi Hitachi Power Systems, Ltd.
Most cited
By later US patents
- Steam power plant and steam generator, especially suited for a steam power plant of this type8US 4,493,186 AKraftwerk Union Aktiengesellschaft · 1985
- Firing equipment that can be operated under turbocharge3US 4,773,214 AL. & C. Steinmuller GmbH · 1988
- Firing equipment that can be operated under turbocharge2US 4,909,029 AL. & C. Steinmuller GmbH · 1990
- System for transferring and recovering heat from products of combustion2US 6,125,794 AThermax Limited · 2000
- Large scale cost effective direct steam generator system, method, and apparatus1US 11,242,772 B2XDI Holdings, LLC · 2022