Electrochemical water purifiers with porous particle-based electrodes
US-2026049008-A1 · Feb 19, 2026 · US
Power supply
Power supply · 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 | C02F2201/4616 |
| Official title | Power supply |
| Display label | Power supply |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 13 |
| 2020 | 10 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System for treating wastewater using electrochemistry
US-2026049010-A1 · Feb 19, 2026 · US
Electrolyte solution production device
US-12503779-B2 · Dec 23, 2025 · US
Water softening system
US-12365607-B2 · Jul 22, 2025 · US
Electrolytic liquid generation system and control system
US-2024425392-A1 · Dec 26, 2024 · US
Electro-coagulation apparatus
US-2024327256-A1 · Oct 3, 2024 · US
Treatment of fertigation water
US-11939244-B2 · Mar 26, 2024 · US
Apparatus and method for urea electrolysis with controlled alkalinity
US-11884562-B2 · Jan 30, 2024 · US
Electrified Membrane Flow-Cell Reactor For Concurrent Nitrate Reduction And Ammonia Production From Wastewater
US-2023365442-A1 · Nov 16, 2023 · US
Plasma-Enabled Liquid Filtration and Decontamination
US-2023278896-A1 · Sep 7, 2023 · US
Liquid treatment device
US-11618695-B2 · Apr 4, 2023 · US
Electrolytic solution generation device
US-2022396506-A1 · Dec 15, 2022 · US
High efficiency electrodialysis fluid purification device and method
US-2022380236-A1 · Dec 1, 2022 · US
Electrolyzer system configurations for enhancement of ultraviolet advanced oxidation processes
US-2022250956-A1 · Aug 11, 2022 · US
Water softening system
US-2022098062-A1 · Mar 31, 2022 · US
Water electrolysis device
US-11105003-B2 · Aug 31, 2021 · US
Liquid treatment device
US-11059729-B2 · Jul 13, 2021 · US
Method of membrane-coupled electrochemical advanced oxidation and its application device for water purification and water purification system using of the same
US-11046597-B2 · Jun 29, 2021 · US
Electrode Assembly, System and Method for Inactivating Organic Material in a Flow of Water
US-2020377387-A1 · Dec 3, 2020 · US
Electrolytic liquid generation device
US-10843943-B2 · Nov 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2201/4616?
- CPC C02F2201/4616 is the Cooperative Patent Classification code for “Power supply.”
- How many patents are filed under CPC C02F2201/4616 (Power supply)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC C02F2201/4616 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).