Method and apparatus for recycling lithium-ion batteries
US-2025273760-A1 · Aug 28, 2025 · US
by oxidation in an aqueous solution
by oxidation in an aqueous solution · 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 | C01F7/428 |
| Official title | by oxidation in an aqueous solution |
| Display label | by oxidation in an aqueous solution |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 10 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Recovery and recycling of byproducts of activated aluminum
US-2025242342-A1 · Jul 31, 2025 · US
Method and apparatus for recycling lithium-ion batteries
US-12322769-B2 · Jun 3, 2025 · US
Recovery and recycling of byproducts of activated aluminum
US-12280367-B2 · Apr 22, 2025 · US
Method for recovering waste lithium cobalt oxide battery
US-12183900-B2 · Dec 31, 2024 · US
Charge material for recycled lithium-ion batteries
US-2024413421-A1 · Dec 12, 2024 · US
Charge material for recycled lithium-ion batteries
US-12074302-B2 · Aug 27, 2024 · US
Method for recovering waste lithium cobalt oxide battery
US-2024274913-A1 · Aug 15, 2024 · US
Systems and methods for reducing water consumption and recovering activating metals from aluminum-water reactions
US-2024270571-A1 · Aug 15, 2024 · US
Method and apparatus for recycling lithium-ion batteries
US-12046725-B2 · Jul 23, 2024 · US
Method And Apparatus For Recycling Lithium-Ion Batteries
US-2024204279-A1 · Jun 20, 2024 · US
Recovery and recycling of byproducts of activated aluminum
US-2024181440-A1 · Jun 6, 2024 · US
Recovery and recycling of byproducts of activated aluminum
US-11958045-B2 · Apr 16, 2024 · US
Charge material for recycled lithium-ion batteries
US-11955613-B2 · Apr 9, 2024 · US
Method and apparatus for recycling lithium-ion batteries
US-11769916-B2 · Sep 26, 2023 · US
Method And Apparatus For Recycling Lithium-Ion Batteries
US-2023198040-A1 · Jun 22, 2023 · US
Method and apparatus for recycling lithium-ion batteries
US-2023044374-A1 · Feb 9, 2023 · US
Method and apparatus for recycling lithium-ion batteries
US-11502345-B2 · Nov 15, 2022 · US
Recovery and recycling of byproducts of activated aluminum
US-2022305483-A1 · Sep 29, 2022 · US
Charge material for recycled lithium-ion batteries
US-2022311068-A1 · Sep 29, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01F7/428?
- CPC C01F7/428 is the Cooperative Patent Classification code for “by oxidation in an aqueous solution.”
- How many patents are filed under CPC C01F7/428 (by oxidation in an aqueous solution)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C01F7/428 growing?
- Publication counts under this code: 10 in 2024 vs 4 in 2025 (latest complete years).