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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

Filing statistics

CPC B25G 3/12 belongs to the parent subclass B25G, which recorded 7,789 patent applications worldwide between 2013 and 2023. Annual filings declined from 678 in 2013 to 402 in 2023 (-41%), peaking at 1,008 applications in 2016. The most active applicants in class B25 are FANUC (3,700 applications), ROBERT BOSCH (3,293 applications) and LG ELECTRONICS (2,871 applications).

Source: EPO PATSTAT, worldwide filings

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