Apparatus and Process for Improved Argon Recovery
US-2025314424-A1 · Oct 9, 2025 · US
Argon recovery
Argon recovery · 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 | F25J3/048 |
| Official title | {Argon recovery} |
| Display label | Argon recovery |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and apparatus for improved recovery of argon
US-12385692-B2 · Aug 12, 2025 · US
Method for starting up an argon separation column of an apparatus for air separation by cryogenic distillation and unit for implementing the method
US-12313336-B2 · May 27, 2025 · US
Cryogenic air rectification system, control unit, air separation unit and method of cryogenically separating air
US-2025146746-A1 · May 8, 2025 · US
Method for the cryogenic separation of air, and air separation plant
US-2025052493-A1 · Feb 13, 2025 · US
Method for the low-temperature separation of air and air separation plant
US-2024393043-A1 · Nov 28, 2024 · US
Air separation device and air separation method
US-12123647-B2 · Oct 22, 2024 · US
Fluid recovery process and apparatus for xenon and or krypton recovery
US-12104850-B2 · Oct 1, 2024 · US
Process and Apparatus for Improved Recovery of Argon
US-2024125550-A1 · Apr 18, 2024 · US
System for controlling an argon flow rate at the outlet of a distillation column
US-11946693-B2 · Apr 2, 2024 · US
Method for regulating a device for separating air by cryogenic distillation
US-2024011706-A1 · Jan 11, 2024 · US
Method and apparatus for transfer of liquid
US-11828532-B2 · Nov 28, 2023 · US
Fluid recovery process and apparatus for xenon and or krypton recovery
US-2022357104-A1 · Nov 10, 2022 · US
Method and apparatus for producing product nitrogen gas and product argon
US-2022325952-A1 · Oct 13, 2022 · US
Process and plant for the production of argon by cryogenic distillation of air
US-11441840-B2 · Sep 13, 2022 · US
Method and apparatus for separating air by cryogenic distillation
US-11435139-B2 · Sep 6, 2022 · US
Air separation device and air separation method
US-2022252344-A1 · Aug 11, 2022 · US
Method and apparatus for transfer of liquid
US-2022205715-A1 · Jun 30, 2022 · US
System and method for flexible recovery of argon from a cryogenic air separation unit
US-11262125-B2 · Mar 1, 2022 · US
Nitrogen production system for producing nitrogen with different purities and nitrogen production process thereof
US-11150016-B2 · Oct 19, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25J3/048?
- CPC F25J3/048 is the Cooperative Patent Classification code for “Argon recovery.”
- How many patents are filed under CPC F25J3/048 (Argon recovery)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC F25J3/048 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).