Apparatus and process for providing a production gas output from an air separation system
US-2025262593-A1 · Aug 21, 2025 · US
Argon
Argon · 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 | C01B2210/0034 |
| Official title | Argon |
| Display label | Argon |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid recovery process and apparatus for xenon and or krypton recovery
US-12104850-B2 · Oct 1, 2024 · US
Method and apparatus for adsorptive distillation for cryogenic argon/oxygen separation
US-11885562-B2 · Jan 30, 2024 · US
Fluid recovery process and apparatus for xenon and or krypton recovery
US-2022357104-A1 · Nov 10, 2022 · US
Method for refining argon gas and recovering and refining apparatus for argon gas
US-11305994-B2 · Apr 19, 2022 · US
Method and apparatus for adsorptive distillation for cryogenic argon/oxygen separation
US-2021278131-A1 · Sep 9, 2021 · US
Process for argon and nitrogen production
US-11104576-B2 · Aug 31, 2021 · US
Process for argon and nitrogen production
US-2020165131-A1 · May 28, 2020 · US
RHO adsorbent compositions, methods of making and using them
US-10646848-B2 · May 12, 2020 · US
Processes using improved RHO adsorbent compositions
US-10343139-B2 · Jul 9, 2019 · US
Gas purifier
US-10245554-B2 · Apr 2, 2019 · US
Processes using improved rho adsorbent compositions
US-2019091651-A1 · Mar 28, 2019 · US
Rho adsorbent compositions, methods of making and using them
US-2019091652-A1 · Mar 28, 2019 · US
Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system
US-10012437-B2 · Jul 3, 2018 · US
Process and plant for recovering argon in a unit for separating an ammonia synthesis purge gas
US-2018094854-A1 · Apr 5, 2018 · US
Method for refining argon gas and recovering and refining apparatus for argon gas
US-2018050912-A1 · Feb 22, 2018 · US
Method for recovering and purifying argon gas from silicon single crystal manufacturing apparatus and apparatus for recovering and purifying argon gas
US-9890044-B2 · Feb 13, 2018 · US
Gas Purifier
US-2017333841-A1 · Nov 23, 2017 · US
Purification of argon through liquid phase cryogenic adsorption
US-9772139-B2 · Sep 26, 2017 · US
Argon production method and apparatus
US-9759482-B2 · Sep 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2210/0034?
- CPC C01B2210/0034 is the Cooperative Patent Classification code for “Argon.”
- How many patents are filed under CPC C01B2210/0034 (Argon)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C01B2210/0034 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).