Method for obtaining one or more air products, and air fractionation plant
US-12410974-B2 · Sep 9, 2025 · US
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the fluid being oxygen
the fluid being oxygen · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F25J2240/46 |
| Official title | the fluid being oxygen |
| Display label | the fluid being oxygen |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for providing gaseous compressed oxygen
US-2025189216-A1 · Jun 12, 2025 · US
Method for the cryogenic separation of air, and air separation plant
US-2025052493-A1 · Feb 13, 2025 · US
Method for obtaining one or more air products, and air separation unit
US-12196488-B2 · Jan 14, 2025 · US
Installation and a method for cooling a fluid to cryogenic temperature
US-2024410649-A1 · Dec 12, 2024 · US
Method and plant for providing a pressurized oxygen-rich, gaseous air product
US-2024384928-A1 · Nov 21, 2024 · US
Liquefied gas supply system and air separation unit comprising same
US-2024377130-A1 · Nov 14, 2024 · US
Cryogenic air separation unit with argon condenser vapor recycle
US-11933539-B2 · Mar 19, 2024 · US
Method for obtaining one or more air products, and air fractionation plant
US-2023358466-A1 · Nov 9, 2023 · US
Recovery of krypton and xenon from liquid oxygen
US-11460246-B2 · Oct 4, 2022 · US
Method for obtaining one or more air products, and air separation unit
US-2021381762-A1 · Dec 9, 2021 · US
Process for obtaining one or more air products and air separation plant
US-11098950-B2 · Aug 24, 2021 · US
Recovery of Krypton and Xenon from Liquid Oxygen
US-2021190422-A1 · Jun 24, 2021 · US
Cryogenic distillation method and apparatus for producing pressurized air by means of expander booster in linkage with nitrogen expander for braking
US-2020355429-A1 · Nov 12, 2020 · US
Device and System for Condensing Gas
US-2020318895-A1 · Oct 8, 2020 · US
Air separation system and method
US-10254040-B2 · Apr 9, 2019 · US
Process for obtaining one or more air products and air separation plant
US-2018347900-A1 · Dec 6, 2018 · US
Apparatus for the production of low pressure gaseous oxygen
US-10101084-B2 · Oct 16, 2018 · US
Method for the production of low pressure gaseous oxygen
US-10018414-B2 · Jul 10, 2018 · US
Air separation system and method
US-2017115053-A1 · Apr 27, 2017 · US