Process for capture of carbon dioxide and desalination
US-10118843-B2 · Nov 6, 2018 · US
Crystallization
Crystallization · 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 | C02F2001/5218 |
| Official title | {Crystallization} |
| Display label | Crystallization |
| Total patents | 253 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 13 |
| 2017 | 23 |
| 2018 | 25 |
| 2019 | 33 |
| 2020 | 24 |
| 2021 | 19 |
| 2022 | 22 |
| 2023 | 21 |
| 2024 | 27 |
| 2025 | 21 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Acoustic pressure shock wave devices and methods for fluids processing
US-10053376-B2 · Aug 21, 2018 · US
Building materials from an aqueous solution
US-2018072626-A1 · Mar 15, 2018 · US
Water treatment process and water treatment system
US-9914652-B2 · Mar 13, 2018 · US
Chemical extraction from an aqueous solution
US-2017342328-A1 · Nov 30, 2017 · US
Building materials from an aqueous solution
US-2017341982-A1 · Nov 30, 2017 · US
Method for removing calcium, barium, magnesium and strontium from frac flowback
US-9828262-B2 · Nov 28, 2017 · US
Multi-stage submerged membrane distillation water treatment apparatus and a resource recovery method using same
US-2017313610-A1 · Nov 2, 2017 · US
Hydrate production apparatus and water treatment apparatus using same
US-2017304841-A1 · Oct 26, 2017 · US
Water treatment method
US-2017274325-A1 · Sep 28, 2017 · US
Fluid treatment reactor
US-2017209808-A1 · Jul 27, 2017 · US
Apparatus for treating radioactive material using multiple separation membranes
US-2017206992-A1 · Jul 20, 2017 · US
Production of ultra-high-density brines using transiently-operated desalination systems
US-2017203977-A1 · Jul 20, 2017 · US
Process for recovering elemental selenium from wastewater
US-2017158535-A1 · Jun 8, 2017 · US
Fluid treatment reactor
US-9650267-B2 · May 16, 2017 · US
Transiently-operated desalination systems with heat recovery and associated methods
US-9617169-B2 · Apr 11, 2017 · US
Elimination of sodium sulfate from biologically treated wastewater
US-2017088451-A9 · Mar 30, 2017 · US
A Salt Separator And A Method For Producing A Methane-Containing Gas Mixture From Biomass Using A Salt Separator
US-2017081229-A1 · Mar 23, 2017 · US
Systems and methods for separating heavy water from normal water using acoustic pressure shock waves
US-2017066663-A1 · Mar 9, 2017 · US
Scale trapping unit and water heater
US-2017067654-A1 · Mar 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2001/5218?
- CPC C02F2001/5218 is the Cooperative Patent Classification code for “Crystallization.”
- How many patents are filed under CPC C02F2001/5218 (Crystallization)?
- Our database includes 253 publications tagged with this CPC code.
- Is patent activity under CPC C02F2001/5218 growing?
- Publication counts under this code: 27 in 2024 vs 21 in 2025 (latest complete years).