USPC Class Details

Description: 137 fluid handling / 137 fluid handling/(803) flow affected by fluid contact, energy field or coanda effect (e.g., pure fluid device or system) (834) device including passages having v over t configuration (836) with particular characteristics of control input (837) multiple control-input passages

Hierarchy/Derived subclasses

137 / 803

-> 834

-> 836

-> 837

uspto searches

Patent Apps in 137/837

Granted Patents in 137/837

Use the links above or do an advanced search in ppubs for:
(137/837.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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