USPC Class Details

Description: 62 refrigeration / 62 refrigeration/(600) cryogenic treatment of gas or gas mixture (606) liquefaction (611) natural gas (612) multicomponent cascade refrigeration

Hierarchy/Derived subclasses

62 / 600-> 606-> 611-> 612

uspto searches

Patent Apps in 62/612

Granted Patents in 62/612

Use the links above or do an advanced search in ppubs for:
(62/612.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.
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