F01B 11/007 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F01B 11/007

Full Title

Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type

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.