Ion conductive spacer, preparing process thereof and electrodialysis reversal stack
US-2019358589-A1 · Nov 28, 2019 · US
having one or more compartments filled with ion-exchange material {, e.g. electrodeionisation}
having one or more compartments filled with ion-exchange material {, e.g. electrodeionisation} · 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 | B01D61/48 |
| Official title | having one or more compartments filled with ion-exchange material {, e.g. electrodeionisation} |
| Display label | having one or more compartments filled with ion-exchange material {, e.g. electrodeionisation} |
| Total patents | 177 |
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 | 16 |
| 2016 | 9 |
| 2017 | 14 |
| 2018 | 13 |
| 2019 | 16 |
| 2020 | 20 |
| 2021 | 9 |
| 2022 | 18 |
| 2023 | 17 |
| 2024 | 21 |
| 2025 | 19 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of cleaning used dialysis fluid using electrodialysis and urea oxidation
US-2019358385-A1 · Nov 28, 2019 · US
Deionizing device
US-2019337824-A1 · Nov 7, 2019 · US
Acid component removal device, acid component removal method, and acid gas removal device
US-2019193025-A1 · Jun 27, 2019 · US
Method and system for water treatment
US-10252923-B2 · Apr 9, 2019 · US
Electrodeionization device and pure-water production system
US-10252218-B2 · Apr 9, 2019 · US
Method and system for water treatment
US-2019070561-A1 · Mar 7, 2019 · US
Electrolytic apparatus with circulator, reverse osmosis filter, and cooler, for producing reducing water
US-10167207-B2 · Jan 1, 2019 · US
Deionization filter device and water treatment device comprising deionization filter device
US-2018326356-A1 · Nov 15, 2018 · US
Water Purification System And Method
US-2018318767-A1 · Nov 8, 2018 · US
Electrodialysis module and electrodialysis system
US-2018280882-A1 · Oct 4, 2018 · US
Capacitive deionization apparatus and method for manufacturing the same
US-10071922-B2 · Sep 11, 2018 · US
Method of treatment of radioactive wastewater
US-10046987-B2 · Aug 14, 2018 · US
Ion Exchange Membranes
US-2018201746-A1 · Jul 19, 2018 · US
Ion Exchange Membranes
US-2018200708-A1 · Jul 19, 2018 · US
Method and System for Recovering Carbonate from Steel Slag
US-2018171421-A1 · Jun 21, 2018 · US
Bipolar electrodialysis methods and systems
US-2018154312-A1 · Jun 7, 2018 · US
Structures for Normalizing Multi-Planar Flow Distribution Within an Electrochemical Separation System
US-2018111093-A1 · Apr 26, 2018 · US
Method for processing a liquid medium and processing plant
US-2018080646-A1 · Mar 22, 2018 · US
Method and apparatus for treating acidic liquid containing metal ions
US-2018079663-A1 · Mar 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D61/48?
- CPC B01D61/48 is the Cooperative Patent Classification code for “having one or more compartments filled with ion-exchange material {, e.g. electrodeionisation}.”
- How many patents are filed under CPC B01D61/48 (having one or more compartments filled with ion-exchange material {, e.g. electrodeionisation})?
- Our database includes 177 publications tagged with this CPC code.
- Is patent activity under CPC B01D61/48 growing?
- Publication counts under this code: 21 in 2024 vs 19 in 2025 (latest complete years).