Fluid-circulation arrangements

Introduced: September 1968

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2021.

Child Classifications

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F25B 41/006 CPC only CPC only
F25B 41/10 using electro-osmosis since 2021 IPC+CPC Available in IPC and CPC
F25B 41/20 Disposition of valves, e.g. of on-off valves or flow control valves (expansion valves F25B41/31) since 2021 IPC+CPC Available in IPC and CPC
F25B 41/30 Expansion means; Dispositions thereof since 2021 IPC+CPC Available in IPC and CPC
F25B 41/40 Fluid line arrangements since 2021 IPC+CPC Available in IPC and CPC