Raw material fluid treatment plant and raw material fluid treatment method
US-2026063069-A1 · Mar 5, 2026 · US
the turbine being of multiple-inlet-pressure type
the turbine being of multiple-inlet-pressure type · 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 | F01K7/18 |
| Official title | the turbine being of multiple-inlet-pressure type |
| Display label | the turbine being of multiple-inlet-pressure type |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Raw material fluid treatment plant and raw material fluid treatment method
US-12497919-B2 · Dec 16, 2025 · US
Steam turbine
US-12203383-B2 · Jan 21, 2025 · US
Steam turbine
US-2024418104-A1 · Dec 19, 2024 · US
Combined cycle power generation
US-2024360775-A1 · Oct 31, 2024 · US
Raw material fluid treatment plant and raw material fluid treatment method
US-2024183310-A1 · Jun 6, 2024 · US
Raw material fluid treatment plant and raw material fluid treatment method
US-11939915-B2 · Mar 26, 2024 · US
Organic Rankine Cycle for combined-cycle power plant
US-11732644-B2 · Aug 22, 2023 · US
Heat exchange system, cooling system and cooling method of gas turbine, and gas turbine system
US-11441452-B2 · Sep 13, 2022 · US
Steam turbine system and combined cycle plant
US-11408339-B2 · Aug 9, 2022 · US
Steam turbine plant
US-11333043-B2 · May 17, 2022 · US
Raw material fluid treatment plant and raw material fluid treatment method
US-2022099021-A1 · Mar 31, 2022 · US
Waste heat recovery vehicle cooling optimization
US-11125139-B2 · Sep 21, 2021 · US
Organic rankine cycle for combined-cycle power plant
US-2021254547-A1 · Aug 19, 2021 · US
Fuel preheating system for a combustion turbine engine
US-10900418-B2 · Jan 26, 2021 · US
Steam turbine system and combined cycle plant
US-2020165971-A1 · May 28, 2020 · US
Systems for reducing startup emissions in power plant including gas turbine
US-10662840-B2 · May 26, 2020 · US
Systems for reducing startup emissions in power plant including gas turbine
US-10655517-B2 · May 19, 2020 · US
Systems for reducing startup emissions in power plant including gas turbine
US-10655518-B2 · May 19, 2020 · US
Systems for reducing startup emissions in power plant including gas turbine
US-10655516-B2 · May 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01K7/18?
- CPC F01K7/18 is the Cooperative Patent Classification code for “the turbine being of multiple-inlet-pressure type.”
- How many patents are filed under CPC F01K7/18 (the turbine being of multiple-inlet-pressure type)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC F01K7/18 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).