Aircraft comprising at least one cavity opening at an aerodynamic wall and provided with a partial reduction in passage section
US-2025074580-A1 · Mar 6, 2025 · US
by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null
by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64C2230/08 |
| Official title | by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null |
| Display label | by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null |
| Total patents | 60 |
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 | 1 |
| 2016 | 12 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 11 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flow control ducted fans
US-12091159-B2 · Sep 17, 2024 · US
Flow control ducted fans
US-2024246661-A1 · Jul 25, 2024 · US
Micro-cavity actuator for delay of dynamic stall
US-12043372-B1 · Jul 23, 2024 · US
Removable passive airflow oscillation device and system
US-11994156-B2 · May 28, 2024 · US
Removable passive airflow oscillation device and system
US-2023182890-A1 · Jun 15, 2023 · US
Removable passive airflow oscillation device and system
US-11603186-B2 · Mar 14, 2023 · US
Noise reduction apparatus, aircraft, and noise reduction method
US-11577823-B2 · Feb 14, 2023 · US
Active laminar flow control plenum panel arrangements and installation methods
US-11524770-B2 · Dec 13, 2022 · US
Flow body for a vehicle with a compressible skin
US-11505310-B2 · Nov 22, 2022 · US
Active laminar flow control plenum panel arrangement
US-11414203-B2 · Aug 16, 2022 · US
Cavity acoustic tones suppression
US-11407497-B2 · Aug 9, 2022 · US
Active laminar flow control structural plenums fastened
US-11396366-B2 · Jul 26, 2022 · US
Free streamline airfoil
US-2022169363-A1 · Jun 2, 2022 · US
Anti-harmonic optical turbulators
US-11332229-B2 · May 17, 2022 · US
Systems and methods for active control of surface drag
US-11299260-B2 · Apr 12, 2022 · US
Apparatus for laminar flow control
US-11142296-B2 · Oct 12, 2021 · US
Lifting surface
US-11052996-B2 · Jul 6, 2021 · US
Leading edge structure for a flow control system of an aircraft
US-11040769-B2 · Jun 22, 2021 · US
Noise reduction apparatus, aircraft, and noise reduction method
US-2021039773-A1 · Feb 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C2230/08?
- CPC B64C2230/08 is the Cooperative Patent Classification code for “by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null.”
- How many patents are filed under CPC B64C2230/08 (by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC B64C2230/08 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).