Reduced noise gas turbine engine system and supersonic exhaust nozzle system using elector to entrain ambient air
US-9714608-B2 · Jul 25, 2017 · 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 | F02K3/025 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 308 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 29 |
| 2017 | 20 |
| 2018 | 22 |
| 2019 | 16 |
| 2020 | 32 |
| 2021 | 25 |
| 2022 | 23 |
| 2023 | 32 |
| 2024 | 33 |
| 2025 | 40 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic system for controlling the orientation of fan blades
US-9663218-B2 · May 30, 2017 · US
Preloaded aft vent area for low pressure fan ducts
US-2016376995-A1 · Dec 29, 2016 · US
Pitch control of contra-rotating airfoil blades
US-2016368592-A1 · Dec 22, 2016 · US
Turbofan bypass air cooled oil cooler fairings
US-2016348585-A1 · Dec 1, 2016 · US
Turbomachine with bleed valves located at the intermediate case
US-9476362-B2 · Oct 25, 2016 · US
Gas turbine engine compressor arrangement
US-2016290241-A1 · Oct 6, 2016 · US
Transverse-mounted power turbine drive system
US-2016290227-A1 · Oct 6, 2016 · US
Controlling nozzle areas of variable area fan nozzles
US-2016281639-A1 · Sep 29, 2016 · US
Reduction gearbox for a gas turbine engine
US-2016281609-A1 · Sep 29, 2016 · US
Nacelle for an aircraft engine assembly comprising at least one jointed nacelle cowling at its front end
US-2016264233-A1 · Sep 15, 2016 · US
Intercooled cooling air using cooling compressor as starter
US-2016237909-A1 · Aug 18, 2016 · US
Self-mounted cascade for a thrust reverser
US-9410502-B2 · Aug 9, 2016 · US
Gas turbine engine
US-9387923-B2 · Jul 12, 2016 · US
Pitch control of contra-rotating airfoil blades
US-9376202-B2 · Jun 28, 2016 · US
Aircraft gas turbine thrust-reversing device
US-9376986-B2 · Jun 28, 2016 · US
Gas turbine engine having fan rotor driven by turbine exhaust and with a bypass
US-9352843-B2 · May 31, 2016 · US
Gas turbine engine with intercooling turbine section and intercooling turbine section bypass
US-9341121-B2 · May 17, 2016 · US
Variable geometry heat exchanger apparatus
US-2016131035-A1 · May 12, 2016 · US
Aviation gas turbine thrust reversing device
US-9328694-B2 · May 3, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K3/025?
- CPC F02K3/025 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02K3/025 (Mechanical Engineering)?
- Our database includes 308 publications tagged with this CPC code.
- Is patent activity under CPC F02K3/025 growing?
- Publication counts under this code: 33 in 2024 vs 40 in 2025 (latest complete years).