USPC Class Details

Description: 137 fluid handling / 137 fluid handling/(87.01) self-proportioning or correlating systems (109) self-controlled branched flow systems (111) plural inflows (114) one inflow supplements another

Hierarchy/Derived subclasses

137 / 87.01-> 109-> 111-> 114

uspto searches

Patent Apps in 137/114

Granted Patents in 137/114

Use the links above or do an advanced search in ppubs for:
(137/114.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.
Display:

Back