Ion Concentration Polarization-Electrocoagulation Hybrid Water Treatment System
US-2018141832-A1 · May 24, 2018 · US
by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis · 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 | C02F1/469 |
| Official title | by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis |
| Display label | by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis |
| Total patents | 265 |
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 | 14 |
| 2016 | 20 |
| 2017 | 23 |
| 2018 | 14 |
| 2019 | 26 |
| 2020 | 22 |
| 2021 | 17 |
| 2022 | 24 |
| 2023 | 24 |
| 2024 | 36 |
| 2025 | 37 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrolyte-separating membrane for selective transfer of cations through the membrane and process for manufacturing said membrane
US-9925495-B2 · Mar 27, 2018 · US
Anion-exchange membrane, and electrochemical element and electrochemical device having same
US-2018050336-A1 · Feb 22, 2018 · US
Apparatus and method for controlling total dissolved solids, and water treatment apparatus including the same
US-2017369340-A1 · Dec 28, 2017 · US
Ion concentration polarization-electrocoagulation hybrid water treatment system
US-9850146-B2 · Dec 26, 2017 · US
Irrigation system
US-2017362722-A1 · Dec 21, 2017 · US
Method and system for water treatment
US-2017361279-A1 · Dec 21, 2017 · US
Method and system for water treatment
US-2017362102-A1 · Dec 21, 2017 · US
Water desalination/purification and bio-agent preconcentration by ion concentration polarization
US-9845252-B2 · Dec 19, 2017 · US
Electrodeionization device and pure-water production system
US-2017354932-A1 · Dec 14, 2017 · US
Systems and processes for treatment of solutions
US-9828270-B2 · Nov 28, 2017 · US
Ultrapure water production apparatus and ultrapure water production method
US-2017327396-A1 · Nov 16, 2017 · US
Water softening device and method for regenerating ion exchange resin
US-9815713-B2 · Nov 14, 2017 · US
Method for resolving crude-water emulsions
US-2017321131-A1 · Nov 9, 2017 · US
Bromide removal from aqueous solutions
US-2017247801-A1 · Aug 31, 2017 · US
Method of building massively-parallel ion concentration polarization separation device
US-9725340-B2 · Aug 8, 2017 · US
Devices for urea electrolysis and methods of using same
US-2017189594-A1 · Jul 6, 2017 · US
Ultrafiltration tio2 magnéli phase reactive electrochemical membranes
US-2017152163-A1 · Jun 1, 2017 · US
Method and device for purifying water
US-9643864-B2 · May 9, 2017 · US
Systems and methods for water treatment
US-9637400-B2 · May 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/469?
- CPC C02F1/469 is the Cooperative Patent Classification code for “by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis.”
- How many patents are filed under CPC C02F1/469 (by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis)?
- Our database includes 265 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/469 growing?
- Publication counts under this code: 36 in 2024 vs 37 in 2025 (latest complete years).