Method for manufacturing aluminum base material
US-2026085380-A1 · Mar 26, 2026 · US
Obtaining aluminium
Obtaining 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 | C22B21/00 |
| Official title | Obtaining aluminium |
| Display label | Obtaining aluminium |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for generating trained prediction model that predicts amount of dross generated in melting furnace, method for predicting amount of dross generated in melting furnace, and computer program
US-2025164952-A1 · May 22, 2025 · US
Electrolytic smelting system
US-12305245-B2 · May 20, 2025 · US
Method for producing aluminum alloy raw material, method for producing aluminum alloy ingot, method for producing aluminum alloy plate, method for producing aluminum alloy substrate for plating, method for producing aluminum alloy substrate for magnetic disk, method for producing magnetic disk, and magnetic disk
US-2024417837-A1 · Dec 19, 2024 · US
Method for recovering waste lithium battery materials
US-2024372169-A1 · Nov 7, 2024 · US
Method for controlling metal dissolution using an electrical current
US-2024363260-A1 · Oct 31, 2024 · US
Method of recycling positive electrode active material and recycled positive electrode active material prepared by the same
US-2024120566-A1 · Apr 11, 2024 · US
Method for Processing Lithium Ion Battery Waste
US-2024047776-A1 · Feb 8, 2024 · US
Method for recycling iron and aluminum in nickel-cobalt-manganese solution
US-11760655-B2 · Sep 19, 2023 · US
Furnace controller and method of operating a furnace
US-11740022-B2 · Aug 29, 2023 · US
Method for recycling iron and aluminum in nickel-cobalt-manganese solution
US-2023227325-A1 · Jul 20, 2023 · US
Electrolytic smelting system
US-2022243293-A1 · Aug 4, 2022 · US
Furnace Controller and Method of Operating a Furnace
US-2022026147-A1 · Jan 27, 2022 · US
Composition for making wettable cathode in aluminum smelting
US-11041250-B2 · Jun 22, 2021 · US
Cosmetic aluminum alloys made from recycled aluminum scrap
US-2021087656-A1 · Mar 25, 2021 · US
Lithium ion battery scrap treatment method
US-2020044295-A1 · Feb 6, 2020 · US
Composition For Making Wettable Cathode In Aluminum Smelting
US-2019055660-A1 · Feb 21, 2019 · US
Method for processing packing material to recover aluminium
US-10046978-B2 · Aug 14, 2018 · US
Molten metal scrap submergence apparatus
US-9920992-B2 · Mar 20, 2018 · US
Method for Processing Packaging Material
US-2017073244-A1 · Mar 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B21/00?
- CPC C22B21/00 is the Cooperative Patent Classification code for “Obtaining aluminium.”
- How many patents are filed under CPC C22B21/00 (Obtaining aluminium)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C22B21/00 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).