USPC Class Details

Description: 137 fluid handling / 137 fluid handling/(1) processes (15.01) cleaning, repairing, or assembling (15.18) valve or valve element assembling, disassembling, or replacing (15.26) float valve

Hierarchy/Derived subclasses

137 / 1-> 15.01-> 15.18-> 15.26

uspto searches

Patent Apps in 137/15.26

Granted Patents in 137/15.26

Use the links above or do an advanced search in ppubs for:
(137/15.26.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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