F02B 19/1023 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F02B 19/1023

Full Title

Engines characterised by precombustion chambers > with fuel introduced partly into pre-combustion chamber, and partly into cylinder

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.