Systems and methods for active control of surface drag using intermittent or variable actuation
US-2023012961-A1 · Jan 19, 2023 · US
comprising surfaces being moved by external supplied energy
comprising surfaces being moved by external supplied energy · 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 | F15D1/007 |
| Official title | {comprising surfaces being moved by external supplied energy} |
| Display label | comprising surfaces being moved by external supplied energy |
| Total patents | 86 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 17 |
| 2023 | 11 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Variable geometry thruster
US-2023009569-A1 · Jan 12, 2023 · US
Systems and methods for active control of surface drag using wall coupling
US-11519433-B2 · Dec 6, 2022 · US
Active flow control for ducted fans and fan-in-wing configurations
US-11485486-B2 · Nov 1, 2022 · US
Variable geometry thruster
US-2022333624-A1 · Oct 20, 2022 · US
System and method for thermal emission control using segmented array
US-2022333879-A1 · Oct 20, 2022 · US
In-plane transverse momentum injection to disrupt large-scale eddies in a turbulent boundary layer
US-11466709-B2 · Oct 11, 2022 · US
In-plane transverse momentum injection to disrupt large-scale eddies in a turbulent boundary layer
US-2022260098-A1 · Aug 18, 2022 · US
Variable geometry thruster
US-11396896-B2 · Jul 26, 2022 · US
Apparatus for removing thermal stratification generated by turbulent penetration by using rotation ring
US-2022228610-A1 · Jul 21, 2022 · US
Apparatus for removing thermal stratification generated by turbulent penetration by using rotation of inner ring and outer ring
US-2022226788-A1 · Jul 21, 2022 · US
Apparatus for removing thermal stratification generated by turbulent penetration by using rotation of pipe wall
US-2022226787-A1 · Jul 21, 2022 · US
An actuator apparatus comprising a positioning actuator
US-2022135209-A1 · May 5, 2022 · US
Systems and methods for active control of surface drag
US-11299260-B2 · Apr 12, 2022 · US
Swirling jet actuator for control of separated and mixing flows
US-11268550-B2 · Mar 8, 2022 · US
Efficient mechanical generation of cavitation in liquids
US-2022056934-A1 · Feb 24, 2022 · US
Fluid device
US-2022034782-A1 · Feb 3, 2022 · US
Aircraft control system, aircraft control method, and aircraft
US-11214358-B2 · Jan 4, 2022 · US
Flow control system, flow control method, and aircraft
US-11214359-B2 · Jan 4, 2022 · US
Aircraft with active support
US-11198503-B2 · Dec 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15D1/007?
- CPC F15D1/007 is the Cooperative Patent Classification code for “comprising surfaces being moved by external supplied energy.”
- How many patents are filed under CPC F15D1/007 (comprising surfaces being moved by external supplied energy)?
- Our database includes 86 publications tagged with this CPC code.
- Is patent activity under CPC F15D1/007 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).