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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 3/24 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

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