Method of forming a microstructured surface
US-12365585-B2 · Jul 22, 2025 · US
using active means, e.g. supplying external energy or injecting fluid
using active means, e.g. supplying external energy or injecting fluid · 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 | F15D1/0065 |
| Official title | {using active means, e.g. supplying external energy or injecting fluid} |
| Display label | using active means, e.g. supplying external energy or injecting fluid |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for removing thermal stratification generated by turbulent penetration by using rotation of pipe wall
US-12364959-B2 · Jul 22, 2025 · US
Arrangement for influencing liquid flow and a method
US-12258120-B2 · Mar 25, 2025 · US
Aerodynamic system for vehicle
US-12091099-B2 · Sep 17, 2024 · US
Systems and methods for active control of surface drag using intermittent or variable actuation
US-12065236-B2 · Aug 20, 2024 · US
Removable passive airflow oscillation device and system
US-11994156-B2 · May 28, 2024 · US
Device and method for gas maintenance in microfeatures on a submerged surface
US-2024018980-A1 · Jan 18, 2024 · US
System and method for mitigating vortex-shedding vibrations or stall-induced vibrations on rotor blade of a wind turbine during standstill
US-11867156-B2 · Jan 9, 2024 · US
An arrangement for influencing liquid flow and a method
US-2023272810-A1 · Aug 31, 2023 · 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
Systems and methods for active control of surface drag using intermittent or variable actuation
US-2023012961-A1 · Jan 19, 2023 · US
Aerodynamic system for vehicle
US-2022402565-A1 · Dec 22, 2022 · US
Apparatus for removing thermal stratification generated by turbulent penetration by using rotation of pipe wall
US-2022226787-A1 · Jul 21, 2022 · US
Periodic unsteadiness generator
US-11300145-B1 · Apr 12, 2022 · US
Bullhead-shaped grooved diversion jet and empennage swing vibration suppression device and method
US-11242715-B2 · Feb 8, 2022 · US
Articles and methods for levitating liquids on surfaces, and devices incorporating the same
US-11105352-B2 · Aug 31, 2021 · US
Bullhead-shaped grooved diversion jet and empennage swing vibration suppression device and method
US-2021246734-A1 · Aug 12, 2021 · US
System and method for mitigating vortex-shedding vibrations or stall-induced vibrations on rotor blade of a wind turbine during standstill
US-2021079896-A1 · Mar 18, 2021 · US
Removable passive airflow oscillation device and system
US-2020223534-A1 · Jul 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15D1/0065?
- CPC F15D1/0065 is the Cooperative Patent Classification code for “using active means, e.g. supplying external energy or injecting fluid.”
- How many patents are filed under CPC F15D1/0065 (using active means, e.g. supplying external energy or injecting fluid)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC F15D1/0065 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).