F22B 1/028
Steam generation using heat accumulators
Official title: {Steam generation using heat accumulators (F22B27/14 takes precedence)}
F22B1/028 (Steam generation using heat accumulators) appears on 30 US grants and 46 published applications in this corpus.
Search patents in F22B- Granted patents
- 30
- Published applications
- 46
- Assignees
- 36
- Inventors
- 113
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 4 |
| 2014 | 1 | 7 |
| 2015 | 1 | 9 |
| 2016 | 3 | 3 |
| 2017 | 6 | 0 |
| 2018 | 2 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Energy recovery system and methods of use3 Feb 2026US 12,540,566 B2
- Air source heat pump system and method of use for industrial steam generation21 Oct 2025US 12,449,121 B1AtmosZero, Inc.
- Helical baffle for once-through steam generator29 Oct 2024US 12,130,009 B2BWXT Canada Ltd.
- Method and apparatus for energy storage based on difference in concentration20 Jun 2023US 11,680,496 B2Wigner Fizikai Kutatóközpont
- Thermal energy storage with molten sulfur27 Dec 2022US 11,536,488 B2Element 16 Technologies, Inc.
- Thermal Energy Storage System and Heat Pump Cycles for Industrial Heat Generation15 Jan 2026US 2026/0016155 A1AtmosZero, Inc.
- Air source heat pump system and method of use for industrial steam generation23 Oct 2025US 2025/0327567 A1AtmosZero, Inc.
- Solid electric thermal storage superheated steam output system1 May 2025US 2025/0137636 A1
- Energy storage and steam generation system and method6 Mar 2025US 2025/0075899 A1China Huadian Engineering Co., Ltd.
- Helical Baffle for Once-Through Steam Generator12 Dec 2024US 2024/0410566 A1BWXT Canada Ltd.
Most cited
By later US patents
- Thermoelectric energy storage system with an intermediate storage tank and method for storing thermoelectric energy62US 8,904,793 B2ABB Research Ltd. · 2014
- Heat reservoir for a power plant50US 8,136,358 B1Florida Turbine Technologies, Inc. · 2012
- Solar power system and method therefor41US 9,816,491 B2Solarreserve Technology, LLC · 2017
- Steam heat storage system33US 9,683,788 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives · 2017
- Oil field steam production and use21US 4,513,733 AThe Babcock & Wilcox Company · 1985