Patent Classification Explorer PCE

DIFF Subgroup

B23K 11/30

Features relating to electrodes

Introduced: September 1968

Full Title

Resistance welding; Severing by resistance heating > Features relating to electrodes

CPC subdivides this area 9x more granularly than IPC with 8 additional codes.

8 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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B23K 11/3009 +1 CPC CPC only CPC only
B23K 11/3027 CPC only CPC only
B23K 11/3036 +1 CPC CPC only CPC only
B23K 11/3054 CPC only CPC only
B23K 11/3063 CPC only CPC only
B23K 11/3072 CPC only CPC only
B23K 11/3081 CPC only CPC only
B23K 11/309 CPC only CPC only
B23K 11/31 Electrode holders since 1990 +5 CPC IPC+CPC Available in IPC and CPC