Electrochemical device and method for simultaneous detection and recovery of metals ions from wastewater
US-2026001789-A1 · Jan 1, 2026 · US
of metals
of metals · 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 | C02F1/4678 |
| Official title | {of metals} |
| Display label | of metals |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemical device and method for simultaneous detection and recovery of metals ions from wastewater
US-2025333336-A1 · Oct 30, 2025 · US
Electrochemical device and method for simultaneous detection and recovery of metals ions from wastewater
US-12454471-B1 · Oct 28, 2025 · US
Removal of contaminants using photoelectrocatalysis
US-2024425391-A1 · Dec 26, 2024 · US
Working electrode, system and method for the electrochemical remediation of a metal species
US-2024140833-A1 · May 2, 2024 · US
Method for removing a contaminant from wastewater from an industrial plant and a system for performing such method
US-2023391641-A1 · Dec 7, 2023 · US
Method for removing a contaminant from wastewater from an industrial plant and a system for performing such method
US-11767240-B2 · Sep 26, 2023 · US
Device for decomplexation and enhanced removal of copper based on self-induced fenton-like reaction constructed by electrochemistry coupled with membrane separation, and use thereof
US-11739009-B2 · Aug 29, 2023 · US
Carbon-nanotube/nano-adsorption-material-based electrode and electrochemical valuable-metal recovery device using same
US-11673817-B2 · Jun 13, 2023 · US
Processes for treatment of wastewater
US-11577979-B1 · Feb 14, 2023 · US
Processes for treatment of wastewater
US-2023034944-A1 · Feb 2, 2023 · US
Carbon-nanotube/nano-adsorption-material-based electrode and electrochemical valuable-metal recovery device using same
US-2022371924-A1 · Nov 24, 2022 · US
Target species recovery and related systems and methods
US-2022119283-A1 · Apr 21, 2022 · US
Direct electrochemical reduction method for removing selenium from wastewater
US-2022064028-A1 · Mar 3, 2022 · US
Working electrode, system and method for the electrochemical remediation of a metal species
US-2021403350-A1 · Dec 30, 2021 · US
Removal of metal ions from aqueous solution via liquid/liquid extraction and electrochemistry
US-2021292196-A1 · Sep 23, 2021 · US
Method for removing a contaminant from wastewater from an industrial plant and a system for performing such method
US-2021276889-A1 · Sep 9, 2021 · US
Electrochemical flow reactor
US-2021253452-A1 · Aug 19, 2021 · US
Device for decomplexation and enhanced removal of copper based on self-induced fenton-like reaction constructed by electrochemistry coupled with membrane separation, and use thereof
US-2021198122-A1 · Jul 1, 2021 · US
Task specific ionic liquid-impregnated polymeric surface coatings for antibacterial, antifouling, and metal scavenging activity
US-11045833-B2 · Jun 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/4678?
- CPC C02F1/4678 is the Cooperative Patent Classification code for “of metals.”
- How many patents are filed under CPC C02F1/4678 (of metals)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/4678 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).