Electrodeionization device and pure-water production system
US-2017354932-A1 · Dec 14, 2017 · US
Apparatus for electrochemical processes
Apparatus for electrochemical processes · 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 | C02F2201/46 |
| Official title | Apparatus for electrochemical processes |
| Display label | Apparatus for electrochemical processes |
| Total patents | 134 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 21 |
| 2017 | 15 |
| 2018 | 11 |
| 2019 | 8 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 10 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Anion exchange membranes and process for making
US-9768502-B2 · Sep 19, 2017 · US
Phased charging and discharging in capacitive desalination
US-9758392-B2 · Sep 12, 2017 · US
Ion Exchange Membranes And Methods Of Making The Same
US-2017240439-A1 · Aug 24, 2017 · US
Method of building massively-parallel ion concentration polarization separation device
US-9725340-B2 · Aug 8, 2017 · US
Redox desalination system for clean water production and energy storage
US-9670077-B2 · Jun 6, 2017 · US
Electrokinetic purification device
US-2017088443-A1 · Mar 30, 2017 · US
Electrodeionization module and apparatus
US-9550687-B2 · Jan 24, 2017 · US
Devices including a membrane formed from a curable composition
US-9539548-B2 · Jan 10, 2017 · US
Liquid treatment device, liquid treatment method, and plasma treatment liquid
US-9540256-B2 · Jan 10, 2017 · US
Supercapacitor desalination cells, devices and methods
US-9527757-B2 · Dec 27, 2016 · US
Method of treating liquid or object using generation of plasma in or near liquid
US-2016362311-A1 · Dec 15, 2016 · US
Anion Exchange Membranes and Process for Making
US-2016346741-A1 · Dec 1, 2016 · US
Capacitive deionization apparatus and method for manufacturing the same
US-2016326025-A1 · Nov 10, 2016 · US
Curable compositions and membranes
US-9487418-B2 · Nov 8, 2016 · US
Desalination system and method
US-9475711-B2 · Oct 25, 2016 · US
System and method for capacitive deionization of a fluid
US-2016272516-A1 · Sep 22, 2016 · US
Ion exchange membrane and filter module using same
US-2016228823-A1 · Aug 11, 2016 · US
Phase control for antenna array
US-2016218429-A1 · Jul 28, 2016 · US
Composite electrode for desalination comprising ion-exchange membrane, manufacturing method thereof, and desalination apparatus using same
US-2016207800-A1 · Jul 21, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2201/46?
- CPC C02F2201/46 is the Cooperative Patent Classification code for “Apparatus for electrochemical processes.”
- How many patents are filed under CPC C02F2201/46 (Apparatus for electrochemical processes)?
- Our database includes 134 publications tagged with this CPC code.
- Is patent activity under CPC C02F2201/46 growing?
- Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).