Patent Classification Explorer PCE

DIFF Subgroup

C02F 3/28

Anaerobic digestion processes

Introduced: January 1980

Full Title

Biological treatment of water, waste water, or sewage > Anaerobic digestion processes

Of 10 combined children, 0 exist in both systems.

10 codes are CPC-only extensions.

Child Classifications

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C02F 3/2806 CPC only CPC only
C02F 3/2813 CPC only CPC only
C02F 3/282 CPC only CPC only
C02F 3/2826 CPC only CPC only
C02F 3/2833 CPC only CPC only
C02F 3/284 CPC only CPC only
C02F 3/2846 CPC only CPC only
C02F 3/2853 CPC only CPC only
C02F 3/286 CPC only CPC only
C02F 3/2866 +4 CPC CPC only CPC only