System and methods of water electrolysis
US-2026015747-A1 · Jan 15, 2026 · US
Cleaning the electrodes
Cleaning the 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 | C02F2001/46119 |
| Official title | {Cleaning the electrodes} |
| Display label | Cleaning the electrodes |
| Total patents | 51 |
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 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 9 |
| 2022 | 1 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 7 |
| 2026 | 2 |
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-2026001789-A1 · Jan 1, 2026 · US
Electrolyte solution production device
US-12503779-B2 · Dec 23, 2025 · US
Electrochemical membrane degassing apparatus
US-12485369-B2 · Dec 2, 2025 · US
Carbon fiber filter and regeneration method therefor, and water treatment device
US-12486183-B2 · Dec 2, 2025 · US
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
Water treatment system
US-2025059072-A1 · Feb 20, 2025 · US
Wastewater treatment system and cleaning method thereof
US-12209037-B2 · Jan 28, 2025 · US
Systems and methods for sanitizing pool and spa water
US-12157686-B2 · Dec 3, 2024 · US
Internal electrical connections for concentric tubular electrochemical cells
US-11958762-B1 · Apr 16, 2024 · US
Sludge drying apparatus
US-11912597-B2 · Feb 27, 2024 · US
Electrochemical membrane degassing apparatus
US-2024009595-A1 · Jan 11, 2024 · US
Electrocoagulation device
US-11795073-B2 · Oct 24, 2023 · US
Flow features for self-cleaning concentric tubular electrochemical cells
US-11713261-B2 · Aug 1, 2023 · US
Carbon fiber filter and regeneration method therefor, and water treatment device
US-2023212040-A1 · Jul 6, 2023 · US
Method and device for removing chloride ion in desulfurized wastewater by electrochemical coupling
US-11661356-B2 · May 30, 2023 · US
Water treatment device
US-2023080847-A1 · Mar 16, 2023 · US
Internal electrical connections for concentric tubular electrochemical cells
US-11584665-B2 · Feb 21, 2023 · US
Water-softening system
US-11572287-B2 · Feb 7, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2001/46119?
- CPC C02F2001/46119 is the Cooperative Patent Classification code for “Cleaning the electrodes.”
- How many patents are filed under CPC C02F2001/46119 (Cleaning the electrodes)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC C02F2001/46119 growing?
- Publication counts under this code: 4 in 2024 vs 7 in 2025 (latest complete years).