F25J2270/40 - CPC Classification Index

ClassID:

160526 ⎘

F25J2270/40 - CPC Classification

Classification description:

Refrigeration techniques used Quasi-closed internal or closed external air refrigeration cycle

Recent Application in this class:

20250334332

LIQUID NITROGEN GENERATOR AND PROCESS

20170131029

Method and system for providing supplemental refrigeration to an air separation plant

20130192301

Method and system for air separation using a supplemental refrigeration cycle

20100313600

Method and apparatus for pressurized product production