Filters (in general B01D; cyclones B04C); Dust separators; Dust removal; Automatic exchange of filters

Introduced: September 1968

Title

Titles differ between systems:

IPC: Filters; Dust separators; Dust removal; Automatic exchange of filters

CPC: Filters (in general B01D; cyclones B04C); Dust separators; Dust removal; Automatic exchange of filters

Full Title

Full titles differ between systems:

IPC:

Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners > Filters; Dust separators; Dust removal; Automatic exchange of filters

CPC:

Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners > Filters (in general B01D; cyclones B04C); Dust separators; Dust removal; Automatic exchange of filters

Of 7 combined children, 5 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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A47L 9/102 +1 CPC CPC only CPC only
A47L 9/106 +1 CPC CPC only CPC only
A47L 9/12 Dry filters +3 CPC IPC+CPC Available in IPC and CPC
A47L 9/14 Bags or the like; Attachment of, or closures for, bags +5 CPC IPC+CPC Available in IPC and CPC
A47L 9/16 Arrangement or disposition of cyclones or other devices with centrifugal action +6 CPC IPC+CPC Available in IPC and CPC
A47L 9/18 Liquid filters +5 CPC IPC+CPC Available in IPC and CPC
A47L 9/19 Means for monitoring filtering operation since 1980 IPC+CPC Available in IPC and CPC