Ratchet-based ion pumping membrane systems
US-12528052-B2 · Jan 20, 2026 · US
Electrical variables
Electrical variables · 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 | C02F2201/46125 |
| Official title | Electrical variables |
| Display label | Electrical variables |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water softening device
US-2025361161-A1 · Nov 27, 2025 · US
Water softening device
US-12410075-B2 · Sep 9, 2025 · US
Method for operating electric deionizer
US-2025162908-A1 · May 22, 2025 · US
Space purification device
US-2025121112-A1 · Apr 17, 2025 · US
Regulation of Onsite Peroxide Generation for Improved Peroxone Advanced Oxidative Process Control
US-2025059071-A1 · Feb 20, 2025 · US
Methods and systems for removing contaminants and nutrients from a fluid
US-2025051195-A1 · Feb 13, 2025 · US
Dielectric barrier discharge for ballast water treatment using optimized voltage shape control
US-12134569-B2 · Nov 5, 2024 · US
Bioreactor and carbon dioxide recycling system
US-2024351920-A1 · Oct 24, 2024 · US
Method and system for measuring conductivity of decationized water
US-12105042-B2 · Oct 1, 2024 · US
Water purification using porous carbon electrode
US-12091343-B2 · Sep 17, 2024 · US
Electrolyzed water spraying device
US-2024174532-A1 · May 30, 2024 · US
Biofilm growth-controlling device and method
US-2024051856-A1 · Feb 15, 2024 · US
Combined electrochemical advanced oxidation process for removal of organic contamination in water
US-2024010529-A1 · Jan 11, 2024 · US
Operation support apparatus, operation support system, operation support method, and computer readable medium
US-2023399763-A1 · Dec 14, 2023 · US
Alkaline and chlorine solutions produced using electro-chemical activation
US-11326261-B2 · May 10, 2022 · US
Dielectric Barrier Discharge For Ballast Water Treatment Using Optimized Voltage Shape Control
US-2022119275-A1 · Apr 21, 2022 · US
Ratchet-based ion pumping membrane systems
US-2021187442-A1 · Jun 24, 2021 · US
Heating apparatus and water electrolysis system
US-10995019-B2 · May 4, 2021 · US
Hot-water mat and sterilization module
US-2020378649-A1 · Dec 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2201/46125?
- CPC C02F2201/46125 is the Cooperative Patent Classification code for “Electrical variables.”
- How many patents are filed under CPC C02F2201/46125 (Electrical variables)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C02F2201/46125 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).