Supercritical co2 cycle coupled to chemical looping arrangement
US-2019390578-A1 · Dec 26, 2019 · US
the engines using steam of critical or overcritical pressure
the engines using steam of critical or overcritical pressure · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01K7/32 |
| Official title | the engines using steam of critical or overcritical pressure |
| Display label | the engines using steam of critical or overcritical pressure |
| Total patents | 163 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 11 |
| 2017 | 18 |
| 2018 | 17 |
| 2019 | 19 |
| 2020 | 20 |
| 2021 | 18 |
| 2022 | 16 |
| 2023 | 14 |
| 2024 | 11 |
| 2025 | 15 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Use of (2E)-1,1,1,4,5,5,5-heptafluoro-4-(trifluoromethyl)pent-2-ene in power cycles
US-10435604-B2 · Oct 8, 2019 · US
Closed Cycle Heat Engine
US-2019293117-A1 · Sep 26, 2019 · US
Supercritical CO2 generation system applying plural heat sources
US-10400636-B2 · Sep 3, 2019 · US
Device for controlling supply of working fluid
US-10385737-B2 · Aug 20, 2019 · US
Hybrid power generation system
US-10344626-B2 · Jul 9, 2019 · US
Combined cycle power plant having supercritical steam turbine
US-10316700-B2 · Jun 11, 2019 · US
Complex supercritical CO2 generation system
US-10309262-B2 · Jun 4, 2019 · US
Supercritical CO2 generation system applying recuperator per each heat source
US-10287926-B2 · May 14, 2019 · US
Power plant and method of controlling same
US-2019048746-A1 · Feb 14, 2019 · US
Combined cycle power plant
US-2019040765-A1 · Feb 7, 2019 · US
Automatic filter cleaning apparatus, automatic filter cleaning method using the same, and supercritical fluid power generation system including the same
US-2018361278-A1 · Dec 20, 2018 · US
Heat transfer tube including a groove portion having a spiral shape extending continuously and a rib portion extending continuously and protruding inward by the groove portion
US-10132494-B2 · Nov 20, 2018 · US
Device for controlling supply of working fluid
US-2018283222-A1 · Oct 4, 2018 · US
Supercritical carbon dioxide power generation system
US-10082049-B2 · Sep 25, 2018 · US
Hybrid power generation system using supercritical CO2 cycle
US-10072531-B2 · Sep 11, 2018 · US
Sectioned gas turbine engine driven by sCO2 cycle
US-10060300-B2 · Aug 28, 2018 · US
Complex supercritical co2 generation system
US-2018202324-A1 · Jul 19, 2018 · US
Supercritical co2 generation system for series recuperative type
US-2018156075-A1 · Jun 7, 2018 · US
Supercritical co2 generation system for parallel recuperative type
US-2018142581-A1 · May 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01K7/32?
- CPC F01K7/32 is the Cooperative Patent Classification code for “the engines using steam of critical or overcritical pressure.”
- How many patents are filed under CPC F01K7/32 (the engines using steam of critical or overcritical pressure)?
- Our database includes 163 publications tagged with this CPC code.
- Is patent activity under CPC F01K7/32 growing?
- Publication counts under this code: 11 in 2024 vs 15 in 2025 (latest complete years).