F04B 27/0404 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F04B 27/0404

Full Title

Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders (multi-stage pumps specially adapted for elastic fluids F04B25/00) > having cylinders in star- or fan-arrangement

Of 8 combined children, 0 exist in both systems.

8 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →