Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B01D 33/11

arranged for outward flow filtration

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Filters with filtering elements which move during the filtering operation > with rotary cylindrical filtering surfaces, e.g. hollow drums > arranged for outward flow filtration

CPC:

Filters with filtering elements which move during the filtering operation (filters comprising loose filtering material moving or fluidised during filtration B01D24/28 - B01D24/36; centrifuges B04B) > with rotary cylindrical filtering surfaces, e.g. hollow drums (B01D33/044 takes precedence ) > arranged for outward flow filtration

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

Navigate with arrow keys, Enter to open

  • B01D 33/13 with surface cells independently connected to pressure distributors since 1990 IPC+CPC Available in IPC and CPC