Hydrofoil cavitating flow control structure
US-12485999-B2 · Dec 2, 2025 · US
comprising surface features, e.g. indentations or protrusions (F15D1/0055, F15D1/006 take precedence)
comprising surface features, e.g. indentations or protrusions (F15D1/0055, F15D1/006 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 | F15D1/003 |
| Official title | {comprising surface features, e.g. indentations or protrusions (F15D1/0055, F15D1/006 take precedence)} |
| Display label | comprising surface features, e.g. indentations or protrusions (F15D1/0055, F15D1/006 take precedence) |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 8 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid entrapment via perforated surfaces for drag reduction
US-12459603-B2 · Nov 4, 2025 · US
Method of forming a microstructured surface
US-12365585-B2 · Jul 22, 2025 · US
Structured body and object including structured body
US-2025214658-A1 · Jul 3, 2025 · US
Layout for asymmetric cast trips in long passages
US-12286898-B2 · Apr 29, 2025 · US
Antenna apparatus
US-12261356-B2 · Mar 25, 2025 · US
Layout for asymmetric cast trips in long passages
US-2024352860-A1 · Oct 24, 2024 · US
Drag reduction structure, resin molded product, shaping mold and moving object
US-2024280122-A1 · Aug 22, 2024 · US
Layer system and blade
US-12060810-B2 · Aug 13, 2024 · US
Surface coating for reduction of aerodynamic noise and vibrations
US-12012981-B2 · Jun 18, 2024 · US
Protective tube for insertion into a pipe or vessel with reduced sensitivity to vortex induced vibrations
US-11976766-B2 · May 7, 2024 · US
Airflow regulation and control apparatus and server
US-11959503-B2 · Apr 16, 2024 · US
Phononic subsurface for controlling hypersonic flow
US-2024093705-A1 · Mar 21, 2024 · US
Device and method for gas maintenance in microfeatures on a submerged surface
US-2024018980-A1 · Jan 18, 2024 · US
Vortex generator device for a wind turbine blade
US-11828263-B2 · Nov 28, 2023 · US
Airflow Regulation and Control Apparatus and Server
US-2023340975-A1 · Oct 26, 2023 · US
Pivoting cab fairing
US-11679821-B2 · Jun 20, 2023 · US
Hydrofoil cavitating flow control structure
US-2023084338-A1 · Mar 16, 2023 · US
Antenna apparatus
US-2023035855-A1 · Feb 2, 2023 · US
Cable hose with embedded features
US-11545280-B2 · Jan 3, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15D1/003?
- CPC F15D1/003 is the Cooperative Patent Classification code for “comprising surface features, e.g. indentations or protrusions (F15D1/0055, F15D1/006 take precedence).”
- How many patents are filed under CPC F15D1/003 (comprising surface features, e.g. indentations or protrusions (F15D1/0055, F15D1/006 take precedence))?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC F15D1/003 growing?
- Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).