DIFF Main Group
B25B 23/00 Details of, or accessories for, spanners, wrenches, screwdrivers (bolt tensioners B25B29/02)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Details of, or accessories for, spanners, wrenches, screwdrivers
CPC: Details of, or accessories for, spanners, wrenches, screwdrivers (bolt tensioners B25B29/02)
Full Title
Full titles differ between systems:
IPC:
Details of, or accessories for, spanners, wrenches, screwdrivers
CPC:
Details of, or accessories for, spanners, wrenches, screwdrivers (bolt tensioners B25B29/02)
CPC subdivides this area 3x more granularly than IPC with 8 additional codes.
8 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B25B 23/14 Arrangement of torque limiters or torque indicators in wrenches or screwdrivers (couplings for transmitting rotation or clutches F16D; devices for measuring torque per se G01L) +3 CPC −5 IPC IPC+CPC Available in IPC and CPC
- B25B 23/18 Devices for illuminating the head of the screw or the nut 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