Electrode apparatus for removing contaminants from a fluid
US-2021323848-A1 · Oct 21, 2021 · US
Perforated or foraminous electrodes
Perforated or foraminous electrodes · 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 | C02F2001/46157 |
| Official title | {Perforated or foraminous electrodes} |
| Display label | Perforated or foraminous electrodes |
| Total patents | 108 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 14 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 12 |
| 2021 | 11 |
| 2022 | 12 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemical Membrane Module for Selectively Removing Pollutants and Preparation Method Thereof
US-2021009446-A1 · Jan 14, 2021 · US
Water treatment system
US-2021002150-A1 · Jan 7, 2021 · US
Method for removing ammonia nitrogen in aqueous solution
US-10882767-B2 · Jan 5, 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
Hydrogen water generator
US-2020359831-A1 · Nov 19, 2020 · US
Water treatment apparatus including underwater plasma discharge module
US-2020339460-A1 · Oct 29, 2020 · US
Method for removing ammonia nitrogen in aqueous solution
US-2020189940-A1 · Jun 18, 2020 · US
Cathode, electrochemical cell and its use
US-10676378-B2 · Jun 9, 2020 · US
Devices and methods for removing dissolved ions from water using composite resin electrodes
US-10662082-B2 · May 26, 2020 · US
Electrochemical cell
US-2020140295-A1 · May 7, 2020 · US
Reactive electrochemical membrane filtration
US-10640401-B2 · May 5, 2020 · US
Electrocoagulation cell design
US-2020115261-A1 · Apr 16, 2020 · US
Apparatus and method for three-dimensional photo-electrodialysis
US-2020070094-A1 · Mar 5, 2020 · US
Devices and methods for removing dissolved ions from water using composite resin electrodes
US-10544052-B2 · Jan 28, 2020 · US
Neutralization in electro-chemical activation systems
US-2019368059-A1 · Dec 5, 2019 · US
Electrolytic cartridge, systems and methods of using same
US-10494276-B2 · Dec 3, 2019 · US
A method for electrochemical treatment of water
US-2019284066-A1 · Sep 19, 2019 · US
Advanced Oxidation System and Method In a UV Reactor with Electrode
US-2019270658-A1 · Sep 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2001/46157?
- CPC C02F2001/46157 is the Cooperative Patent Classification code for “Perforated or foraminous electrodes.”
- How many patents are filed under CPC C02F2001/46157 (Perforated or foraminous electrodes)?
- Our database includes 108 publications tagged with this CPC code.
- Is patent activity under CPC C02F2001/46157 growing?
- Publication counts under this code: 8 in 2024 vs 10 in 2025 (latest complete years).