Hybrid electric aircraft with rankine cycle heat recovery system
US-2017292447-A1 · Oct 12, 2017 · US
the engines being turbines
the engines being turbines · 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 | F01K11/02 |
| Official title | the engines being turbines |
| Display label | the engines being turbines |
| Total patents | 476 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 30 |
| 2017 | 42 |
| 2018 | 33 |
| 2019 | 43 |
| 2020 | 33 |
| 2021 | 36 |
| 2022 | 59 |
| 2023 | 52 |
| 2024 | 75 |
| 2025 | 46 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Feedwater system of combined cycle power plant
US-2017268383-A1 · Sep 21, 2017 · US
Steam Turbine Plant
US-2017254225-A1 · Sep 7, 2017 · US
Biocatalytic processes and materials for enhanced carbon utilization
US-2017240936-A1 · Aug 24, 2017 · US
Working fluid for a device, device and method for converting heat into mechanical energy
US-9739179-B2 · Aug 22, 2017 · US
Supercritical CO2 Generation System Applying Plural Heat Sources
US-2017234169-A1 · Aug 17, 2017 · US
Rankine cycle system and method
US-9702272-B2 · Jul 11, 2017 · US
Exhaust heat recovery device for internal combustion engine and exhaust heat recovery method for internal combustion engine
US-9657602-B2 · May 23, 2017 · US
Expansion joint and steam turbine system including the same
US-9631752-B2 · Apr 25, 2017 · US
Rankine-cycle power-generating apparatus
US-2017107846-A1 · Apr 20, 2017 · US
Passive low temperature heat sources organic working fluid power generation method
US-2017074124-A1 · Mar 16, 2017 · US
Multi-shaft combined cycle plant, and control device and operation method thereof
US-2017058717-A1 · Mar 2, 2017 · US
Boiler with integrated air compressor
US-2017058716-A1 · Mar 2, 2017 · US
System and method for decoupling steam production dependency from gas turbine load level
US-2017058770-A1 · Mar 2, 2017 · US
Lignite drying with a heat recovery circuit
US-2016348019-A1 · Dec 1, 2016 · US
Lignite drying in a lignite fired power plant with a heat pump
US-2016348020-A1 · Dec 1, 2016 · US
Method and apparatus for generating electricity using a thermal power plant
US-2016333744-A1 · Nov 17, 2016 · US
Method and apparatus for generating electricity using a nuclear power plant
US-2016333745-A1 · Nov 17, 2016 · US
Device and method for converting heat into mechanical energy
US-2016319703-A1 · Nov 3, 2016 · US
Hybrid power generation system using supercritical co2 cycle
US-2016305289-A1 · Oct 20, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01K11/02?
- CPC F01K11/02 is the Cooperative Patent Classification code for “the engines being turbines.”
- How many patents are filed under CPC F01K11/02 (the engines being turbines)?
- Our database includes 476 publications tagged with this CPC code.
- Is patent activity under CPC F01K11/02 growing?
- Publication counts under this code: 75 in 2024 vs 46 in 2025 (latest complete years).