Apparatus and process for hydrogen recycling to avoid liquefier shutdown due to insufficient feed of hydrogen
US-2026049761-A1 · Feb 19, 2026 · US
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Inter-connecting multiple hot equipments upstream of the cold box
Inter-connecting multiple hot equipments upstream of the cold box · 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 | F25J1/027 |
| Official title | {Inter-connecting multiple hot equipments upstream of the cold box} |
| Display label | Inter-connecting multiple hot equipments upstream of the cold box |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 1 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat recovery steam generation integration with high pressure feed gas processes for the production of liquefied natural gas
US-12281845-B2 · Apr 22, 2025 · US
Process and apparatus for the recovery of boil-off gas from the liquefaction of hydrogen
US-2024401876-A1 · Dec 5, 2024 · US
Apparatus and process for absorption chiller utilization for environmentally friendly hydrogen production
US-2024279825-A1 · Aug 22, 2024 · US
Compact system and method for the production of liquefied natural gas
US-2023392860-A1 · Dec 7, 2023 · US
Heat Recovery Steam Generation Integration With High Pressure Feed Gas Processes For The Production of Liquefied Natural Gas
US-2023258401-A1 · Aug 17, 2023 · US
Apparatus for large hydrogen liquefaction system
US-2023194159-A1 · Jun 22, 2023 · US
Integration process principles for maximizing the boil off recovery on a h2 liquefier plant
US-2023096282-A1 · Mar 30, 2023 · US
Method for large hydrogen liquefaction system
US-2023009727-A1 · Jan 12, 2023 · US
Method for adjusting a Cryogenic refrigeration apparatus and corresponding apparatus
US-10753659-B2 · Aug 25, 2020 · US
Refrigeration method and installation
US-10060653-B2 · Aug 28, 2018 · US
Cryogenic CO2 separation using a refrigeration system
US-9945607-B2 · Apr 17, 2018 · US
Energy recovery from reduction in pressure of a dense phase hydrocarbon fluid
US-2017059091-A1 · Mar 2, 2017 · US
Helium-recovery plant
US-8973397-B2 · Mar 10, 2015 · US