Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C02F 11/121

by mechanical de-watering

Introduced: January 2019

Full Title

Treatment of sludge; Devices therefor > by de-watering, drying or thickening > by mechanical de-watering

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2019.

Child Classifications

Navigate with arrow keys, Enter to open

  • C02F 11/122 using filter presses (C02F11/123 takes precedence) since 2019 IPC+CPC Available in IPC and CPC
  • C02F 11/123 using belt or band filters since 2019 IPC+CPC Available in IPC and CPC
  • C02F 11/125 using screw filters since 2019 IPC+CPC Available in IPC and CPC
  • C02F 11/126 using drum filters since 2019 IPC+CPC Available in IPC and CPC
  • C02F 11/127 by centrifugation since 2019 IPC+CPC Available in IPC and CPC
  • C02F 11/128 using batch processes since 2019 IPC+CPC Available in IPC and CPC