E02B 9/022 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

E02B 9/022

Full Title

Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same > Water-ways

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.