F24H 3/081 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F24H 3/081

Full Title

Air heaters > with forced circulation > the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators > by tubes

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →