Lithium recovery thermal management
US-2024336490-A1 · Oct 10, 2024 · US
by sorption (using ion-exchange C02F1/42; sorbent compositions B01J)
by sorption (using ion-exchange C02F1/42; sorbent compositions B01J) · 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 | C02F1/28 |
| Official title | by sorption (using ion-exchange C02F1/42; sorbent compositions B01J) |
| Display label | by sorption (using ion-exchange C02F1/42; sorbent compositions B01J) |
| Total patents | 365 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 38 |
| 2016 | 29 |
| 2017 | 26 |
| 2018 | 35 |
| 2019 | 32 |
| 2020 | 37 |
| 2021 | 25 |
| 2022 | 25 |
| 2023 | 33 |
| 2024 | 37 |
| 2025 | 38 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for removal of radioactive contamination from wastewater
US-9527756-B2 · Dec 27, 2016 · US
Multi-media stratified filtration
US-2016347626-A1 · Dec 1, 2016 · US
Water treatment process and plant using ballasted flocculation and settling
US-9505638-B2 · Nov 29, 2016 · US
Water treatment apparatus and water treatment method using the same
US-2016340209-A1 · Nov 24, 2016 · US
Medium material and its preparation method for elimination of arsenic pollution from groundwater
US-2016332137-A1 · Nov 17, 2016 · US
Method for the purification of gases containing volatile organic compounds
US-2016332115-A1 · Nov 17, 2016 · US
Nonwoven fibrous webs containing chemically active particulates and methods of making and using same
US-9475034-B2 · Oct 25, 2016 · US
Customizable multi-stage water treatment system
US-2016244337-A1 · Aug 25, 2016 · US
Recycling apparatus of rinsing wastewater for electropainting
US-2016176738-A1 · Jun 23, 2016 · US
Treatment of aqueous solutions
US-9371242-B2 · Jun 21, 2016 · US
Filter unit with flow regulator
US-9359224-B2 · Jun 7, 2016 · US
Regenerable filter unit, regenerable filter system including the same, and method of operating regenerable filter system
US-9359226-B2 · Jun 7, 2016 · US
Apparatus and method for evaporating waste water and reducing acid gas emissions
US-9352274-B2 · May 31, 2016 · US
Water purification cartridge and water purifier
US-2016136545-A1 · May 19, 2016 · US
Process for reducing the total organic carbon in wastewater
US-2016130160-A1 · May 12, 2016 · US
Customizable multi-stage water treatment system
US-9327216-B2 · May 3, 2016 · US
Sorbent material and a method for enhancing sorption performance thereof
US-2016114311-A1 · Apr 28, 2016 · US
Floating type adsorbent for removal of phosphate in aqueous solution and method for fabricating the same and method for regeneration of the same
US-9295974-B2 · Mar 29, 2016 · US
Counterflow adsorption filter column for water treatment
US-2016031722-A1 · Feb 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/28?
- CPC C02F1/28 is the Cooperative Patent Classification code for “by sorption (using ion-exchange C02F1/42; sorbent compositions B01J).”
- How many patents are filed under CPC C02F1/28 (by sorption (using ion-exchange C02F1/42; sorbent compositions B01J))?
- Our database includes 365 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/28 growing?
- Publication counts under this code: 37 in 2024 vs 38 in 2025 (latest complete years).