CPC Subgroup
B25G 3/12 Locking and securing devices
Full Title
Attaching handles to the implements > Socket, tang, or like fixings (B25G3/34 takes precedence) > Locking and securing devices
9 direct subcodes
Child Classifications
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- B25G 3/14 comprising barbs or teeth
- B25G 3/16 comprising bayonet joints
- B25G 3/18 comprising catches or pawls
- B25G 3/20 comprising clamping or contracting means acting concentrically on the handle or socket
- B25G 3/24 comprising clamping or contracting means acting transversely on the handle or socket
- B25G 3/26 comprising nails, screws, bolts, or pins traversing or entering the socket
- B25G 3/28 comprising wedges, keys, or like expanding means
- B25G 3/30 comprising screwed sockets or tangs
- B25G 3/32 in association with, or including, tang, bolt, or other member passing axially through whole length of handle
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