F22B 3/08
At critical or supercritical pressure values
Official title: at critical or supercritical pressure values
F22B3/08 (At critical or supercritical pressure values) appears on 29 US grants and 35 published applications in this corpus.
Search patents in F22B- Granted patents
- 29
- Published applications
- 35
- Assignees
- 27
- Inventors
- 85
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 4 |
| 2016 | 0 | 2 |
| 2017 | 5 | 1 |
| 2018 | 4 | 4 |
| 2019 | 3 | 0 |
| 2020 | 2 | 6 |
| 2021 | 3 | 3 |
| 2022 | 4 | 4 |
| 2023 | 3 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
By publication year.
Recent patents
- Supercritical carbon dioxide regenerative Brayton cycle with multiple recuperators and auxiliary compressors28 Oct 2025US 12,454,897 B2Universidad Del Pais Vasco/Euskal Herriko Unibertsitatea
- Trans-critical thermodynamic system and method for removing solutes from fluid11 Feb 2025US 12,222,147 B2ROLLS-ROYCE plc
- Supercritical hydrothermal combustion device24 Sep 2024US 12,098,845 B2
- Recompressed transcritical cycle with vaporization in cryogenic or low-temperature applications, and/or with coolant fluid20 Aug 2024US 12,066,154 B2Saipem S.P.A.
- Natural gas processing using supercritical fluid power cycles21 Nov 2023US 11,821,682 B2Southwest Research Institute
- Supercritical carbon dioxide regenerative brayton cycle with multiple recuperators and auxiliary compressors25 Sep 2025US 2025/0297559 A1Universidad Del Pais Vasco/Euskal Herriko Unibertsitatea
- Downhole heat exchanger for geothermal power systems28 Nov 2024US 2024/0392702 A1Sage Geosystems Inc.
- Process and system for heat exchange process23 Nov 2023US 2023/0375277 A1The Texas A&M University System
- Supercritical Hydrothermal Combustion Device2 Mar 2023US 2023/0068390 A1Xi' An Jiaotong University
- Trans-critical thermodynamic system and method for removing solutes from fluid17 Nov 2022US 2022/0364772 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Thermosiphoning supercritical CO2 in geothermal energy production11US 9,803,626 B1GreenFire Energy Inc. · 2017
- Integrated coal gasification combined power generation process with zero carbon emission6US 10,899,982 B2China University of Petroleum (East China) · 2021
- Gas turbine engine driven by supercritical power generation system6US 9,885,283 B2ROLLS-ROYCE plc · 2018
- Enhancing power cycle efficiency for a supercritical Brayton cycle power system using tunable supercritical gas mixtures5US 9,745,899 B2National Technology & Engineering Solutions of Sandia, LLC · 2017
- Power generation system and method with partially recuperated flow path4US 9,657,599 B2Peregrine Turbine Technologies, LLC · 2017