Aircraft powerplant with steam system and bypass
US-2024369014-A1 · Nov 7, 2024 · US
Mechanical Engineering
Mechanical Engineering · 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 | F02C9/18 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 2,324 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 137 |
| 2016 | 199 |
| 2017 | 228 |
| 2018 | 248 |
| 2019 | 257 |
| 2020 | 291 |
| 2021 | 205 |
| 2022 | 201 |
| 2023 | 195 |
| 2024 | 140 |
| 2025 | 185 |
| 2026 | 38 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Turbine overspeed protection
US-2024368999-A1 · Nov 7, 2024 · US
Method for determining a duration of movement for a starter air valve of a turbine engine
US-2015377141-A1 · Dec 31, 2015 · US
Aerospace engine with augmenting turbojet
US-9222409-B2 · Dec 29, 2015 · US
Sliding Contact Wear Surfaces Coated with PTFE/Aluminum Oxide Thermal Spray Coating
US-2015369133-A1 · Dec 24, 2015 · US
High temperature aluminum valve components
US-2015369372-A1 · Dec 24, 2015 · US
Gas turbine engine anti-surge valve discharge tube
US-2015361902-A1 · Dec 17, 2015 · US
Air-Oil Heat Exchangers with Minimum Bypass Flow Pressure Loss
US-2015361891-A1 · Dec 17, 2015 · US
Method and apparatus for controlling a compressor of a gas turbine engine
US-2015354464-A1 · Dec 10, 2015 · US
Aircraft environmental control system inlet flow control
US-9205927-B2 · Dec 8, 2015 · US
System and method for operating a gas turbine engine
US-9206744-B2 · Dec 8, 2015 · US
Systems and methods for utilizing gas turbine compartment ventilation discharge air
US-2015345393-A1 · Dec 3, 2015 · US
Geared turbofan gas turbine engine architecture
US-2015345426-A1 · Dec 3, 2015 · US
Turbine section of high bypass turbofan
US-2015345404-A1 · Dec 3, 2015 · US
Device for measuring temperature in a primary stream flow passage of a bypass turbojet
US-9194755-B2 · Nov 24, 2015 · US
Geared turbofan gas turbine engine architecture
US-2015330302-A1 · Nov 19, 2015 · US
Bifurcation fairing
US-2015330236-A1 · Nov 19, 2015 · US
Turbojet with a discharge duct
US-2015330308-A1 · Nov 19, 2015 · US
Enhanced Turbine Cooling System Using a Blend of Compressor Bleed Air and Ambient Air
US-2015322861-A1 · Nov 12, 2015 · US
Attachment of a discharge conduit of a turbine engine
US-2015308289-A1 · Oct 29, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02C9/18?
- CPC F02C9/18 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02C9/18 (Mechanical Engineering)?
- Our database includes 2,324 publications tagged with this CPC code.
- Is patent activity under CPC F02C9/18 growing?
- Publication counts under this code: 140 in 2024 vs 185 in 2025 (latest complete years).