B23K 9/291 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

B23K 9/291

Full Title

Arc welding or cutting > Features related to electrodes > Supporting devices for electrodes > Supporting devices adapted for making use of shielding means

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →