for operating on work of special profile, e.g. pipes

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Spanners; Wrenches > for special purposes > for operating on work of special profile, e.g. pipes

CPC:

Spanners; Wrenches (hand-driven gear-operated B25B17/00; impact wrenches B25B19/00; portable power-driven B25B21/00 ; machines for fitting together or separating metal parts B23P19/00 ) > for special purposes > for operating on work of special profile, e.g. pipes

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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B25B 13/5008 +2 CPC CPC only CPC only
B25B 13/5091 CPC only CPC only
B25B 13/52 Chain or strap wrenches IPC+CPC Available in IPC and CPC
B25B 13/54 Internal grip wrenches IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B25,2013–2023, worldwide · Source: EPO PATSTAT

SGCC(STATE GRID CORPORATION OF CHINA) 4,635
FANUC JP 3,353
ROBERT BOSCH DE 2,950
LG ELECTRONICS KR 2,397
HILTI LI 2,243
FANUC 2,234
SEIKO EPSON CORPORATION 2,131
KAWASAKI HEAVY IND JP 1,940
MAKITA CORPORATION 1,851
SAMSUNG ELECTRONICS COMPANY KR 1,562

Top Applicants (CPC)

Class B25,2013–2023, worldwide · Source: EPO PATSTAT

FANUC JP 3,700
ROBERT BOSCH DE 3,293
LG ELECTRONICS KR 2,871
HILTI LI 2,424
FANUC 2,406
KAWASAKI HEAVY IND JP 2,103
SAMSUNG ELECTRONICS COMPANY KR 1,854
MILWAUKEE ELECTRIC TOOL CORPORATION US 1,825
MAKITA CORPORATION JP 1,677
SGCC(STATE GRID CORPORATION OF CHINA) 1,513