F01L 7/021 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F01L 7/021

Full Title

Rotary or oscillatory slide valve-gear or valve arrangements (slide valves with combined rotary and non-rotary movements, combinations of rotary and non-rotary slide valves F01L5/00) > with cylindrical, sleeve, or part-annularly shaped valves (of disc type F01L7/06; of conical type F01L7/08)

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.

View in CPC →