Steam turbine system
US-2025154883-A1 · May 15, 2025 · US
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Inter-stage steam injection
Inter-stage steam injection · 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 | F01K7/226 |
| Official title | {Inter-stage steam injection} |
| Display label | Inter-stage steam injection |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Steam turbine plant and operation method, combined cycle plant and operation method
US-11879365-B2 · Jan 23, 2024 · US
Steam turbine system and combined cycle plant
US-11408339-B2 · Aug 9, 2022 · US
Dual-cycle system for combined-cycle power plant
US-2022213818-A1 · Jul 7, 2022 · US
Steam turbine plant and operation method, combined cycle plant and operation method
US-2022195896-A1 · Jun 23, 2022 · US
Fluidic flow control device
US-2021301684-A1 · Sep 30, 2021 · US
Plant control apparatus, plant control method and power plant
US-10920623-B2 · Feb 16, 2021 · US
Steam turbine system and combined cycle plant
US-2020165971-A1 · May 28, 2020 · US
Plant control apparatus, plant control method and power plant
US-2020040770-A1 · Feb 6, 2020 · US
Method for operating a combined cycle power plant and combined cycle power plant for conducting said method
US-10041379-B2 · Aug 7, 2018 · US
Steam turbine plant
US-9664071-B2 · May 30, 2017 · US
Steam power plant with steam turbine extraction control
US-9151185-B2 · Oct 6, 2015 · US
Steam turbomachine valve having a floating seal assembly
US-2015198058-A1 · Jul 16, 2015 · US
Method for operating a combined cycle power plant and combined cycle power plant for conducting said method
US-2015007578-A1 · Jan 8, 2015 · US