Reduced skin-friction drag surface textures and materials, designs, methods and systems
US-2025361892-A1 · Nov 27, 2025 · US
using mechanical means
using mechanical means · 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 | B63B1/36 |
| Official title | using mechanical means |
| Display label | using mechanical means |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for establishing uniform liquid films on polar and non-polar substrates
US-12319385-B2 · Jun 3, 2025 · US
Cavitation load-reduction device for underwater vehicle having adjustable water entry angle
US-2024246637-A1 · Jul 25, 2024 · US
Maritime vehicle with surface array of transducers controlling drag
US-11794881-B2 · Oct 24, 2023 · US
Apparatus with a controllable surface for underwater boundary flow
US-11643169-B2 · May 9, 2023 · US
Vehicle with Surface Array of Transducers Controlling Drag
US-2022371725-A1 · Nov 24, 2022 · US
Process for establishing uniform liquid films on polar and non-polar substrates
US-2022363343-A1 · Nov 17, 2022 · US
Vehicle with surface array of transducers controlling drag
US-11453482-B2 · Sep 27, 2022 · US
Personal watercraft hull
US-11427284-B1 · Aug 30, 2022 · US
Systems and methods for active control of surface drag
US-11299260-B2 · Apr 12, 2022 · US
Vehicle with Surface Array of Transducers Controlling Drag
US-2021387719-A1 · Dec 16, 2021 · US
Apparatus with a controllable surface for underwater boundary flow
US-2021276665-A1 · Sep 9, 2021 · US
Hydrodynamic flow separation device for an axisymmetric bluff body
US-10899417-B1 · Jan 26, 2021 · US
Fibrillar structures to reduce viscous drag on aerodynamic and hydrodynamic wall surfaces
US-10830261-B2 · Nov 10, 2020 · US
Polymeric interlayers and multiple layer panels made therefrom exhibiting enhanced properties and performance
US-10737470-B2 · Aug 11, 2020 · US
Systems and methods for active control of surface drag
US-2020148335-A1 · May 14, 2020 · US
Systems and methods for active control of surface drag
US-2020031456-A1 · Jan 30, 2020 · US
Structural component with a riblet surface
US-10422363-B2 · Sep 24, 2019 · US
Solidifiable composition for preparaton of liquid-infused slippery surfaces and methods of applying
US-10385181-B2 · Aug 20, 2019 · US
Aerodynamic microstructures having sub-microstructures
US-9868135-B2 · Jan 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B63B1/36?
- CPC B63B1/36 is the Cooperative Patent Classification code for “using mechanical means.”
- How many patents are filed under CPC B63B1/36 (using mechanical means)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B63B1/36 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).