Composite Hydrophilic Membrane Electrode, Membrane Capacitor Cell, Preparation Method and use Thereof
US-2024312707-A1 · Sep 19, 2024 · US
Ion-selective electrodialysis
Ion-selective electrodialysis · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D61/44 |
| Official title | Ion-selective electrodialysis |
| Display label | Ion-selective electrodialysis |
| Total patents | 386 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 42 |
| 2017 | 43 |
| 2018 | 33 |
| 2019 | 30 |
| 2020 | 32 |
| 2021 | 23 |
| 2022 | 25 |
| 2023 | 37 |
| 2024 | 42 |
| 2025 | 37 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Crosslinked ion-exchange materials, related methods, and related articles
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Reclaiming device, reclaiming method, and recovery unit for co2 or h2s or both
US-2016375398-A1 · Dec 29, 2016 · US
Curable compositions and membranes
US-9527973-B2 · Dec 27, 2016 · US
Functional polymer membrane and method for producing same
US-2016361690-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
Desalination system and method
US-9481586-B2 · Nov 1, 2016 · US
Desalination of a composition comprising a contrast agent
US-9474808-B2 · Oct 25, 2016 · US
Filtration System For Preparation Of Fluids For Medical Applications
US-2016303305-A1 · Oct 20, 2016 · US
Array for processing materials
US-9464334-B2 · Oct 11, 2016 · US
Hemodialysis and peritoneal dialysis systems having electrodialysis and electrodeionization capabilities
US-9440016-B2 · Sep 13, 2016 · US
Functional polymer membrane and method of producing the same
US-9441083-B2 · Sep 13, 2016 · US
Low energy system and method of desalinating seawater
US-9433902-B2 · Sep 6, 2016 · US
Ion exchange polymers and a method for making ion exchange polymers
US-2016228867-A1 · Aug 11, 2016 · US
Processing biomass
US-2016201152-A1 · Jul 14, 2016 · US
Reconfigureable processing enclosures
US-9388442-B2 · Jul 12, 2016 · US
Electrochemical Ion Separation in Molten Salts
US-2016196888-A1 · Jul 7, 2016 · US
Anion exchange membrane for electrodialysis applications and process for the preparation thereof
US-2016177043-A1 · Jun 23, 2016 · US
Method and apparatus for treating water containing boron
US-2016159671-A1 · Jun 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D61/44?
- CPC B01D61/44 is the Cooperative Patent Classification code for “Ion-selective electrodialysis.”
- How many patents are filed under CPC B01D61/44 (Ion-selective electrodialysis)?
- Our database includes 386 publications tagged with this CPC code.
- Is patent activity under CPC B01D61/44 growing?
- Publication counts under this code: 42 in 2024 vs 37 in 2025 (latest complete years).