Separation of krypton gas from xenon gas using natural clinoptilolite
US-12421115-B1 · Sep 23, 2025 · US
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Temperature swing adsorption
Temperature swing adsorption · 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 | C01B23/0078 |
| Official title | {Temperature swing adsorption} |
| Display label | Temperature swing adsorption |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas purification method and device
US-12297107-B2 · May 13, 2025 · US
Method and system for purification of helium using cryogenic, membrane, and adsorption techniques
US-11952270-B2 · Apr 9, 2024 · US
Adsorptive xenon recovery process from a gas or liquid stream at cryogenic temperature
US-11650010-B2 · May 16, 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
Gas purification method and device
US-2023019514-A1 · Jan 19, 2023 · US
Method and system for purification of helium using cryogenic, membrane, and adsorption techniques
US-2022106190-A1 · Apr 7, 2022 · US
Helium purification process and unit
US-2021354987-A1 · Nov 18, 2021 · US
Helium purification process and unit
US-11021366-B2 · Jun 1, 2021 · US
Helium purification process and unit
US-2020385269-A1 · Dec 10, 2020 · US
Adsorptive xenon recovery process from a gas or liquid stream at cryogenic temperature
US-2020378681-A1 · Dec 3, 2020 · US
Method for operating an adsorber arrangement and adsorber arrangement
US-2019217244-A1 · Jul 18, 2019 · US
Cryogenic adsorption process for xenon recovery
US-10295255-B2 · May 21, 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
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
Purification of argon through liquid phase cryogenic adsorption
US-9772139-B2 · Sep 26, 2017 · US
Helium enhanced heat transfer in adsorptive liquid or gas phase argon purification processes
US-9676629-B2 · Jun 13, 2017 · US
Integrated process and apparatus for recovery of helium rich streams
US-9676628-B2 · Jun 13, 2017 · US
Method for recovering and purifying argon gas from silicon single crystal manufacturing apparatus and apparatus for recovering and purifying argon gas
US-2016325996-A1 · Nov 10, 2016 · US
Adsorbent composition for argon purification
US-9457337-B2 · Oct 4, 2016 · US