Integrated process for filtering constituents from a gas stream
US-2023323276-A1 · Oct 12, 2023 · US
Carbon dioxide
Carbon dioxide · 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 | C01B2210/0051 |
| Official title | Carbon dioxide |
| Display label | Carbon dioxide |
| Total patents | 98 |
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 | 3 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 5 |
| 2022 | 10 |
| 2023 | 17 |
| 2024 | 15 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sulfur-doped porous carbon derived from heavy hydrocarbons and methods for production thereof
US-11746020-B2 · Sep 5, 2023 · US
Steam methane reforming with process carbon dioxide capture and ammonia firing
US-2023212006-A1 · Jul 6, 2023 · US
Steam methane reforming with process carbon dioxide capture and ammonia firing
US-2023212007-A1 · Jul 6, 2023 · US
Methods and apparatuses for hydrogen production
US-2023150817-A1 · May 18, 2023 · US
Method for pretreating and recovering a rare gas from a gas contaminant stream exiting an etch chamber
US-11603313-B2 · Mar 14, 2023 · US
Potassium-Merlinoite Zeolite, Its Synthesis and Use
US-2022387965-A1 · Dec 8, 2022 · US
Furnaces and processes for synthesis gas production
US-2022380212-A1 · Dec 1, 2022 · US
Integrated process for filtering constituents from a gas stream
US-2022372426-A1 · Nov 24, 2022 · US
Potassium-Merlinoite Zeolite, Its Synthesis and Use
US-2022362740-A1 · Nov 17, 2022 · US
Potassium-merlinoite zeolite, its synthesis and use
US-11465122-B2 · Oct 11, 2022 · US
Method and arrangement for recovering helium
US-2022314163-A1 · Oct 6, 2022 · US
Integrated process for filtering constituents from a gas stream
US-11441116-B2 · Sep 13, 2022 · US
Internal combustion engine and operating method of same
US-2022178333-A1 · Jun 9, 2022 · US
Helium recovery from gaseous streams
US-11325066-B2 · May 10, 2022 · US
Method and system for purification of helium using cryogenic, membrane, and adsorption techniques
US-2022106190-A1 · Apr 7, 2022 · US
Process for argon and nitrogen production
US-11104576-B2 · Aug 31, 2021 · US
Helium extraction from natural gas
US-10962283-B2 · Mar 30, 2021 · US
Potassium-merlinoite zeolite, its synthesis and use
US-2021039065-A1 · Feb 11, 2021 · US
Helium recovery from gaseous streams
US-2021031139-A1 · Feb 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2210/0051?
- CPC C01B2210/0051 is the Cooperative Patent Classification code for “Carbon dioxide.”
- How many patents are filed under CPC C01B2210/0051 (Carbon dioxide)?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC C01B2210/0051 growing?
- Publication counts under this code: 15 in 2024 vs 9 in 2025 (latest complete years).