Systems and methods for carbon sequestration using enhanced weathering
US-2026084104-A1 · Mar 26, 2026 · US
CO2
CO2 · 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 | C02F2209/24 |
| Official title | CO2 |
| Display label | CO2 |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Green hydrogen from seawater
US-2025341001-A1 · Nov 6, 2025 · US
Systems and methods for carbon sequestration using enhanced weathering
US-2025001358-A1 · Jan 2, 2025 · US
Systems and methods for carbon sequestration using enhanced weathering
US-12083475-B2 · Sep 10, 2024 · US
Real time detection of solids content in aqueous colloidal dispersions such as oil sands tailings using microwave sensors
US-2024255487-A1 · Aug 1, 2024 · US
Methods for natural gas injection into water
US-2024228347-A1 · Jul 11, 2024 · US
Systems and Methods for Electrochemical Hydrogen Looping
US-2024133051-A1 · Apr 25, 2024 · US
Systems and methods for carbon sequestration using enhanced weathering
US-11964233-B2 · Apr 23, 2024 · US
Systems and methods for carbon sequestration using enhanced weathering
US-11938445-B2 · Mar 26, 2024 · US
Removal of ozone from process streams with ultraviolet radiation
US-11926550-B2 · Mar 12, 2024 · US
Device for monitoring degradation of wastewater from nuclear power plant decontamination and operation method thereof
US-2024029908-A1 · Jan 25, 2024 · US
Systems and Methods for Carbon Sequestration Using Enhanced Weathering
US-2023347279-A1 · Nov 2, 2023 · US
Systems and Methods for Carbon Sequestration Using Enhanced Weathering
US-2023312374-A1 · Oct 5, 2023 · US
Systems and Methods for Carbon Sequestration Using Enhanced Weathering
US-2023302404-A1 · Sep 28, 2023 · US
Autonomous organic aquatic filtration systems
US-2023034365-A1 · Feb 2, 2023 · US
System for monitoring a biochemical process
US-2022194829-A1 · Jun 23, 2022 · US
Method and system for treating wastewater
US-2022127176-A1 · Apr 28, 2022 · US
Installation for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate
US-11230481-B2 · Jan 25, 2022 · US
Removal of Ozone From Process Streams with Ultraviolet Radiation
US-2021403358-A1 · Dec 30, 2021 · US
Systems and methods for continuous measurement of an analyte
US-11142473-B2 · Oct 12, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2209/24?
- CPC C02F2209/24 is the Cooperative Patent Classification code for “CO2.”
- How many patents are filed under CPC C02F2209/24 (CO2)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C02F2209/24 growing?
- Publication counts under this code: 8 in 2024 vs 2 in 2025 (latest complete years).