Water treatment method and water treatment apparatus
US-2023399249-A1 · Dec 14, 2023 · US
Electrochemical processes
Electrochemical processes · 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 | B01D2311/2684 |
| Official title | Electrochemical processes |
| Display label | Electrochemical processes |
| Total patents | 88 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 12 |
| 2022 | 17 |
| 2023 | 13 |
| 2024 | 8 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Down-hole selective ion removal water ionizer system for subsurface applications
US-11788392-B2 · Oct 17, 2023 · US
Device for decomplexation and enhanced removal of copper based on self-induced fenton-like reaction constructed by electrochemistry coupled with membrane separation, and use thereof
US-11739009-B2 · Aug 29, 2023 · US
Forward osmosis driven by electrolysis
US-2023191328-A1 · Jun 22, 2023 · US
Carbon dioxide fixation system and method by seawater electrolysis
US-2023051291-A1 · Feb 16, 2023 · US
Water purification apparatus, system and method for controllng at least one fluid property
US-2022410068-A1 · Dec 29, 2022 · US
Pfas treatment scheme using separation and electrochemical elimination
US-2022402794-A1 · Dec 22, 2022 · US
Water treatment system and water treatment method
US-2022395778-A1 · Dec 15, 2022 · US
Regulation of process stream composition for improved electrolyzer performance
US-11492279-B2 · Nov 8, 2022 · US
Down-hole selective ion removal water ionizer system for subsurface applications
US-2022332607-A1 · Oct 20, 2022 · US
Water purification apparatus and a method for controlling at least one fluid property in a water purification apparatus
US-11465099-B2 · Oct 11, 2022 · US
Cross current staged reverse osmosis
US-2022315469-A1 · Oct 6, 2022 · US
Apparatus for producing acidic aqueous solution and method for producing acidic aqueous solution
US-2022242757-A1 · Aug 4, 2022 · US
Electrohydromodulating process for recovering nutrients, mineralizing organics, and inactivating pathogens in wastewater
US-2022227649-A1 · Jul 21, 2022 · US
Electrochemical membrane module for selectively removing pollutants and preparation method thereof
US-11377373-B2 · Jul 5, 2022 · US
SWRO and MCDI coupled seawater desalination device system with energy recovery
US-11339073-B2 · May 24, 2022 · US
Process for conditioning and reusing salt-containing process water
US-2022145006-A1 · May 12, 2022 · US
Processes and systems for treating sour water to remove sulfide compounds
US-11254592-B2 · Feb 22, 2022 · US
Sour water treatment
US-11247919-B2 · Feb 15, 2022 · US
Power generation system
US-2022029177-A1 · Jan 27, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2311/2684?
- CPC B01D2311/2684 is the Cooperative Patent Classification code for “Electrochemical processes.”
- How many patents are filed under CPC B01D2311/2684 (Electrochemical processes)?
- Our database includes 88 publications tagged with this CPC code.
- Is patent activity under CPC B01D2311/2684 growing?
- Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).