Mixing device and turbofan engine having such mixing device
US-9771896-B2 · Sep 26, 2017 · US
Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing (F02K1/28, F02K1/36, F02K1/38 take precedence)
Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing (F02K1/28, F02K1/36, F02K1/38 take precedence) · 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 | F02K1/46 |
| Official title | Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing (F02K1/28, F02K1/36, F02K1/38 take precedence) |
| Display label | Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing (F02K1/28, F02K1/36, F02K1/38 take precedence) |
| Total patents | 168 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 28 |
| 2017 | 15 |
| 2018 | 15 |
| 2019 | 27 |
| 2020 | 15 |
| 2021 | 12 |
| 2022 | 11 |
| 2023 | 10 |
| 2024 | 10 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Jet noise suppressor
US-9758254-B2 · Sep 12, 2017 · US
Methods and apparatus for passive thrust vectoring and plume deflection
US-9732700-B2 · Aug 15, 2017 · US
Turbojet engine nacelle with variable ventilation outlet cross section
US-9670798-B2 · Jun 6, 2017 · US
Primary cowl of a turbofan comprising a rotating ring having micro-jets
US-9617954-B2 · Apr 11, 2017 · US
Deployment mechanism for inflatable surface-increasing features for gas turbine engine
US-2017089298-A1 · Mar 30, 2017 · US
Nozzle with guiding devices
US-9605621-B2 · Mar 28, 2017 · US
Engine nozzle system for shock-cell noise reduction
US-2017082063-A1 · Mar 23, 2017 · US
System and Method for Creating A Fluidic Barrier With Vortices From the Upstream Splitter
US-2017058766-A1 · Mar 2, 2017 · US
Methods and apparatus for passive thrust vectoring and plume deflection
US-9546618-B2 · Jan 17, 2017 · US
Exhaust plume cooling using periodic interruption of exhaust gas flow to form ambient air entraining vortices
US-9541030-B2 · Jan 10, 2017 · US
Noise reduction system
US-9528468-B2 · Dec 27, 2016 · US
Noise-reducing engine nozzle system
US-9511873-B2 · Dec 6, 2016 · US
Flow control device for a three stream turbofan engine
US-9506423-B2 · Nov 29, 2016 · US
Systems and methods for restricting movement in flexible ducts
US-2016305369-A1 · Oct 20, 2016 · US
High turning angle ejector cooled turbine engine exhaust duct
US-2016258358-A1 · Sep 8, 2016 · US
Device for reducing the noise emitted by the jet of an aircraft propulsion engine
US-9422887-B2 · Aug 23, 2016 · US
Turbine engine nozzle having confluent streams and including a core cowl with overlapping flaps
US-2016237949-A1 · Aug 18, 2016 · US
Panel for the acoustic treatment comprising hot air ducts and at least one stabilization chamber
US-9388767-B2 · Jul 12, 2016 · US
CMC Oxide-Oxide Mixer Design
US-2016160690-A1 · Jun 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K1/46?
- CPC F02K1/46 is the Cooperative Patent Classification code for “Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing (F02K1/28, F02K1/36, F02K1/38 take precedence).”
- How many patents are filed under CPC F02K1/46 (Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing (F02K1/28, F02K1/36, F02K1/38 take precedence))?
- Our database includes 168 publications tagged with this CPC code.
- Is patent activity under CPC F02K1/46 growing?
- Publication counts under this code: 10 in 2024 vs 2 in 2025 (latest complete years).