Switchable system for high-salinity brine desalination and fractional precipitation
US-11840462-B2 · Dec 12, 2023 · US
Desalination
Desalination · 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 | C02F1/265 |
| Official title | {Desalination} |
| Display label | Desalination |
| Total patents | 114 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 14 |
| 2022 | 6 |
| 2023 | 16 |
| 2024 | 24 |
| 2025 | 23 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Buffer-free process cycle for CO2 sequestration and carbonate production from brine waste streams with high salinity
US-11827542-B2 · Nov 28, 2023 · US
Method for operating desalting device
US-2023285903-A1 · Sep 14, 2023 · US
Dual-layer membrane
US-2023256397-A1 · Aug 17, 2023 · US
Osmotic methods and systems involving energy recovery
US-2023257285-A1 · Aug 17, 2023 · US
Temperature swing solvent extraction for descaling of feedstreams
US-2023242418-A1 · Aug 3, 2023 · US
System and method for cooperatively treating water and gas to reduce pollutants and carbon emission
US-2023211286-A1 · Jul 6, 2023 · US
Method and apparatus for treating wastewater using non-chemical process
US-2023202872-A1 · Jun 29, 2023 · US
Temperature swing solvent extraction for descaling of feedstreams
US-2023174391-A9 · Jun 8, 2023 · US
Osmotic methods and systems involving energy recovery
US-11667549-B2 · Jun 6, 2023 · US
Process for obtaining polyamide membrane with nanostructured coating, membranes and use
US-2023166215-A1 · Jun 1, 2023 · US
Method for reducing corrosion fatigue of evaporating tube in boiler
US-2023094476-A1 · Mar 30, 2023 · US
Buffer-free process cycle for co2 sequestration and carbonate production from brine waste streams with high salinity
US-2023058065-A1 · Feb 23, 2023 · US
Ion Removal Devices Based on Electrochemistry and Photo-electrochemistry, and Preparation Method and Application
US-2023013770-A1 · Jan 19, 2023 · US
Osmotic methods and systems involving energy recovery
US-2022380233-A1 · Dec 1, 2022 · US
Desalination device using solvent extraction method, and desalination method using same
US-2022250941-A1 · Aug 11, 2022 · US
Switchable System for High-Salinity Brine Desalination and Fractional Precipitation
US-2022212957-A1 · Jul 7, 2022 · US
Methods for water extraction
US-2022212956-A1 · Jul 7, 2022 · US
Hydrates for water desalination using iso-butane additive
US-11292730-B2 · Apr 5, 2022 · US
Temperature swing solvent extraction for descaling of feedstreams
US-2022017385-A1 · Jan 20, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/265?
- CPC C02F1/265 is the Cooperative Patent Classification code for “Desalination.”
- How many patents are filed under CPC C02F1/265 (Desalination)?
- Our database includes 114 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/265 growing?
- Publication counts under this code: 24 in 2024 vs 23 in 2025 (latest complete years).