CPC Main Group
B25B 23/00 Details of, or accessories for, spanners, wrenches, screwdrivers (bolt tensioners B25B29/02)
12 direct subcodes
Child Classifications
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- B25B 23/02 Arrangements for handling screws or nuts
- 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)
- B25B 23/16 Handles (in general B25G)
- B25B 23/18 Devices for illuminating the head of the screw or the nut
Top Applicants
Top 10 applicants by patent filingsfor 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