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IPC Subgroup
B25G 3/12

Locking or securing devices

Introduced: September 1968

Last revised: January 2006

Full Title

Attaching handles to the implements > Socket, tang, or like fixings > Locking or securing devices

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
Subclass:
HANDLES FOR HAND IMPLEMENTS

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 3/3 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. SGCC(STATE GRID CORPORATION OF CHINA) 4,635
  2. FANUC JP 3,353
  3. ROBERT BOSCH DE 2,950
  4. LG ELECTRONICS KR 2,397
  5. HILTI LI 2,243
  6. FANUC 2,234
  7. SEIKO EPSON CORPORATION 2,131
  8. KAWASAKI HEAVY IND JP 1,940
  9. MAKITA CORPORATION 1,851
  10. SAMSUNG ELECTRONICS COMPANY KR 1,562