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PCE
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DIFF Main Group
F04B 25/00

Multi-stage pumps

Introduced: September 1968

Title

Titles differ between systems:

IPC: Multi-stage pumps specially adapted for elastic fluids

CPC: Multi-stage pumps

Full Title

Full titles differ between systems:

IPC:

Multi-stage pumps specially adapted for elastic fluids

CPC:

Multi-stage pumps

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F04B 25/005 CPC only CPC only
  • F04B 25/02 of stepped piston type IPC+CPC Available in IPC and CPC
  • F04B 25/04 having cylinders coaxial with, or parallel or inclined to, main shaft axis IPC+CPC Available in IPC and CPC