F02B 37/164 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F02B 37/164

Full Title

Engines characterised by provision of pumps driven at least for part of the time by exhaust > Control of the pumps > by bypassing charging air

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.