Method for producing porous aluminum foil, porous aluminum foil, positive electrode current collector for electrical storage devices, electrode for electrical storage devices, and electrical storage device
US-9812700-B2 · Nov 7, 2017 · US
Aluminium
Aluminium · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C25D3/44 |
| Official title | Aluminium |
| Display label | Aluminium |
| Total patents | 182 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 27 |
| 2017 | 19 |
| 2018 | 17 |
| 2019 | 16 |
| 2020 | 11 |
| 2021 | 16 |
| 2022 | 13 |
| 2023 | 16 |
| 2024 | 11 |
| 2025 | 14 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and articles relating to ionic liquid bath plating of aluminum-containing layers utilizing shaped consumable aluminum anodes
US-2017306516-A1 · Oct 26, 2017 · US
Light weight housing for internal component and method of making
US-2017292194-A1 · Oct 12, 2017 · US
Three dimensional additive manufacturing of metal objects by stereo-electrochemical deposition
US-9777385-B2 · Oct 3, 2017 · US
Electromagnetic wave shielding sheet for antenna, method for manufacturing same, antenna comprising same, and battery pack for portable terminal having said antenna
US-9774080-B2 · Sep 26, 2017 · US
Aluminum electroplating and oxide formation as barrier layer for aluminum semiconductor process equipment
US-2017260639-A1 · Sep 14, 2017 · US
Method for producing aluminum film
US-9758887-B2 · Sep 12, 2017 · US
Method for manufacturing current collector layer
US-2017214056-A1 · Jul 27, 2017 · US
Brazing titanium aluminum alloy components
US-2017197270-A1 · Jul 13, 2017 · US
Method for producing a component having improved elongation at break properties
US-2017191142-A1 · Jul 6, 2017 · US
Anodization architecture for electro-plate adhesion
US-2017175284-A1 · Jun 22, 2017 · US
Three dimensional additive manufacturing of metal objects by stereo-electrochemical deposition
US-2017145584-A1 · May 25, 2017 · US
Three dimensional additive manufacturing of metal objects by stereo-electrochemical deposition
US-2017145578-A1 · May 25, 2017 · US
MEMS microphone with dual-back plate and method of manufacturing the same
US-9656854-B2 · May 23, 2017 · US
Composition for direct-current cathodic electrolysis, lubrication-film-equipped metal material, and production method therefor
US-2017073831-A1 · Mar 16, 2017 · US
Apparatus and method for ionic liquid electroplating
US-2017002478-A1 · Jan 5, 2017 · US
Aluminum plating solution, aluminum film, resin structure, porous aluminum object, and porous aluminum object manufacturing method
US-2016369418-A1 · Dec 22, 2016 · US
Aluminum foil with carbonaceous particles dispersed and supported therein
US-9514887-B2 · Dec 6, 2016 · US
Environmentally friendly aluminum coatings as sacrificial coatings for high strength steel alloys
US-2016319449-A1 · Nov 3, 2016 · US
High purity aluminum coating with zinc sacrificial underlayer for aluminum alloy fan blade protection
US-2016298252-A1 · Oct 13, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25D3/44?
- CPC C25D3/44 is the Cooperative Patent Classification code for “Aluminium.”
- How many patents are filed under CPC C25D3/44 (Aluminium)?
- Our database includes 182 publications tagged with this CPC code.
- Is patent activity under CPC C25D3/44 growing?
- Publication counts under this code: 11 in 2024 vs 14 in 2025 (latest complete years).