F01K 7/025
Consecutive expansion in a turbine or a positive displacement engine
Official title: {Consecutive expansion in a turbine or a positive displacement engine}
F01K7/025 (Consecutive expansion in a turbine or a positive displacement engine) appears on 36 US grants and 52 published applications in this corpus.
Search patents in F01K- Granted patents
- 36
- Published applications
- 52
- Assignees
- 28
- Inventors
- 101
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 0 | 4 |
| 2012 | 0 | 2 |
| 2013 | 4 | 7 |
| 2014 | 4 | 3 |
| 2015 | 0 | 4 |
| 2016 | 3 | 0 |
| 2017 | 6 | 8 |
| 2018 | 4 | 4 |
| 2019 | 4 | 5 |
| 2020 | 2 | 2 |
| 2021 | 2 | 5 |
| 2022 | 2 | 3 |
| 2023 | 4 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Multiple loop power generation using super critical cycle fluid with split recuperator9 Jun 2022US 2022/0178278 A1XYZ Energy Group, LLC
- Process and system for converting waste plastic into power6 Jan 2022US 2022/0002626 A1University of South Africa
- Steam turbine and method for operating same23 Dec 2021US 2021/0396154 A1Siemens Energy Global GmbH & Co. KG
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Most cited
By later US patents
- Multi-level organic rankine cycle power system46US 8,438,849 B2Ormat Technologies, Inc. · 2013
- Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems43US 8,539,763 B2SustainX, Inc. · 2013
- Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems43US 8,806,866 B2SustainX, Inc. · 2014
- Modified Goswami cycle based conversion of gas processing plant waste heat into power and cooling with flexibility17US 9,828,885 B2Saudi Arabian Oil Company · 2017
- Modified Goswami cycle based conversion of gas processing plant waste heat into power and cooling6US 9,816,401 B2Saudi Arabian Oil Company · 2017