Process for remote lox/lin production by hpair turbo expansion
US-2025305764-A1 · Oct 2, 2025 · US
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Primary atmospheric gases, mixtures thereof
Primary atmospheric gases, mixtures thereof · 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 | F25J1/007 |
| Official title | {Primary atmospheric gases, mixtures thereof} |
| Display label | Primary atmospheric gases, mixtures thereof |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for cooling a gas by means of a refrigeration cycle
US-2024255219-A1 · Aug 1, 2024 · US
Liquefaction of production gas
US-11927391-B2 · Mar 12, 2024 · US
Method and system for cooling a hydrocarbon stream
US-11624555-B2 · Apr 11, 2023 · US
System and m ethod for supplying cryogenic refrigeration
US-2022404094-A1 · Dec 22, 2022 · US
Liquefaction of Production Gas
US-2022128299-A1 · Apr 28, 2022 · US
Liquefaction of Production Gas
US-2021063083-A1 · Mar 4, 2021 · US
Method and system for cooling a hydrocarbon stream
US-2020217585-A1 · Jul 9, 2020 · US
Refrigerator and operation method for refrigerator
US-10415857-B2 · Sep 17, 2019 · US
Method and system for cooling a hydrocarbon stream
US-2019162468-A1 · May 30, 2019 · US
Refrigerator and operation method for refrigerator
US-2018087809-A1 · Mar 29, 2018 · US
Configurations and methods for small scale LNG production
US-9829244-B2 · Nov 28, 2017 · US
System for converting gaseous fuel into liquid fuel
US-9309810-B2 · Apr 12, 2016 · US