Method for adjusting an oxygen production unit with different set points for each adsorber
US-12370491-B2 · Jul 29, 2025 · US
Noble gases; Compounds thereof (liquefying F25J {; noble gases obtained by rectification F25J3/028})
Noble gases; Compounds thereof (liquefying F25J {; noble gases obtained by rectification F25J3/028}) · 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 | C01B23/00 |
| Official title | Noble gases; Compounds thereof (liquefying F25J {; noble gases obtained by rectification F25J3/028}) |
| Display label | Noble gases; Compounds thereof (liquefying F25J {; noble gases obtained by rectification F25J3/028}) |
| Total patents | 34 |
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 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hollow Fiber Membranes and Preparation Method and Use Thereof
US-2025177925-A1 · Jun 5, 2025 · US
Substrate processing apparatus, substrate processing method, gas regeneration system, and gas regeneration method
US-12293904-B2 · May 6, 2025 · US
Noble gas hydride, fuel, and method for producing noble gas hydride
US-12286348-B2 · Apr 29, 2025 · US
Pressure swing adsorption gas separation apparatus
US-2025041786-A1 · Feb 6, 2025 · US
Gas separation method and gas separation device
US-11925896-B2 · Mar 12, 2024 · US
Gas separation method and gas separation device
US-2023356141-A1 · Nov 9, 2023 · US
Hyperpolarized noble gas production systems with nanocluster suppression, detection and/or filtering and related methods and devices
US-11547766-B2 · Jan 10, 2023 · US
Noble gas hydride, fuel, and method for producing noble gas hydride
US-2022281746-A1 · Sep 8, 2022 · US
Substrate processing apparatus, substrate processing method, gas regeneration system, and gas regeneration method
US-2022285141-A1 · Sep 8, 2022 · US
Method for adjusting an oxygen production unit with different set points for each adsorber
US-2022233995-A1 · Jul 28, 2022 · US
System and method for separating xenon-krypton mixed gas by hydrate formation process
US-11389766-B2 · Jul 19, 2022 · US
Hyperpolarized noble gas production systems with nanocluster suppression, detection and/or filtering and related methods and devices
US-2021290780-A1 · Sep 23, 2021 · US
Hyperpolarized noble gas production systems with nanocluster suppression, detection and/or filtering and related methods and devices
US-11052161-B2 · Jul 6, 2021 · US
System and Method for Separating Xenon-krypton Mixed Gas by Hydrate Formation Process
US-2021146301-A1 · May 20, 2021 · US
Helium extraction from natural gas
US-10962283-B2 · Mar 30, 2021 · US
Carbon molecular sieve adsorbent
US-10835856-B2 · Nov 17, 2020 · US
Helium Extraction from Natural Gas
US-2020088466-A1 · Mar 19, 2020 · US
Hyperpolarized noble gas production systems with nanocluster suppression, detection and/or filtering and related methods and devices
US-10583205-B2 · Mar 10, 2020 · US
Improved Carbon Molecular Sieve Adsorbent
US-2020054986-A1 · Feb 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B23/00?
- CPC C01B23/00 is the Cooperative Patent Classification code for “Noble gases; Compounds thereof (liquefying F25J {; noble gases obtained by rectification F25J3/028}).”
- How many patents are filed under CPC C01B23/00 (Noble gases; Compounds thereof (liquefying F25J {; noble gases obtained by rectification F25J3/028}))?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C01B23/00 growing?
- Publication counts under this code: 1 in 2024 vs 5 in 2025 (latest complete years).