USPC Class Details

Description: 415 rotary kinetic fluid motors or pumps / 415 rotary kinetic fluid motors or pumps/(52.1) with means for re-entry of working fluid to blade set (e.g., re-entry type device, passage, etc.) (55.1) turbine regenerative pump (55.2) having specific means to deflect working fluid in regenerative passage (55.4) positioned at passage end (e.g., stripper seal, etc.)

Hierarchy/Derived subclasses

415 / 52.1-> 55.1-> 55.2-> 55.4

uspto searches

Patent Apps in 415/55.4

Granted Patents in 415/55.4

Use the links above or do an advanced search in ppubs for:
(415/55.4.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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