Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying

Introduced: January 2021

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2021.

Child Classifications

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F24F 8/10 by separation, e.g. by filtering since 2021 IPC+CPC Available in IPC and CPC
F24F 8/20 by sterilisation since 2021 IPC+CPC Available in IPC and CPC
F24F 8/30 by ionisation since 2021 IPC+CPC Available in IPC and CPC
F24F 8/40 by ozonisation (for sterilisation F24F8/26) since 2021 IPC+CPC Available in IPC and CPC
F24F 8/50 by odorisation since 2021 IPC+CPC Available in IPC and CPC
F24F 8/60 by adding oxygen since 2021 IPC+CPC Available in IPC and CPC
F24F 8/70 by removing radon since 2021 IPC+CPC Available in IPC and CPC
F24F 8/80 Self-contained air purifiers since 2021 IPC+CPC Available in IPC and CPC
F24F 8/90 Cleaning of purification apparatus since 2021 IPC+CPC Available in IPC and CPC
F24F 8/95 specially adapted for specific purposes since 2021 IPC+CPC Available in IPC and CPC