DIFF Subgroup
F02M 35/02 Air cleaners
Introduced: September 1968
Full Title
Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines > Air cleaners
Of 9 combined children, 5 exist in both systems.
4 codes are CPC-only extensions.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F02M 35/022 acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls since 1974 +2 CPC IPC+CPC Available in IPC and CPC
- F02M 35/024 using filters, e.g. moistened (F02M35/026 takes precedence; cleaning of the filtering material F02M35/08) since 1974 +4 CPC IPC+CPC Available in IPC and CPC
- F02M 35/026 acting by guiding the air over or through an oil or other liquid bath, e.g. combined with filters since 1974 IPC+CPC Available in IPC and CPC
- F02M 35/04 specially arranged with respect to engine ; Mounting thereon +3 CPC IPC+CPC Available in IPC and CPC
- F02M 35/08 with means for removing dust, from cleaners; with means for indicating clogging; with by-pass means; +4 CPC IPC+CPC Available in IPC and CPC