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PCE
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DIFF Subgroup
F04B 27/12

having plural sets of cylinders or pistons

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders > having cylinders coaxial with, or parallel or inclined to, main shaft axis > having stationary cylinders > having plural sets of cylinders or pistons

CPC:

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 coaxial with, or parallel or inclined to, main shaft axis > having stationary cylinders > having plural sets of cylinders or pistons

No child classifications to compare. This is a leaf node in both IPC and CPC.