F16K 27/044 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F16K 27/044

Full Title

Construction of housing (methods for welding housings B23K); Use of materials therefor > of sliding valves

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.