USPC Class Details

Description: 137 fluid handling / 137 fluid handling/(1) processes (2) with control of flow by a condition or characteristic of a fluid (3) mixing of plural fluids of diverse characteristics or conditions (5) controlled by conductivity of mixture

Hierarchy/Derived subclasses

137 / 1

-> 2

-> 3

-> 5

uspto searches

Patent Apps in 137/5

Granted Patents in 137/5

Use the links above or do an advanced search in ppubs for:
(137/5.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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