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DIFF Subgroup
B25B 23/18

Devices for illuminating the head of the screw or the nut

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of, or accessories for, spanners, wrenches, screwdrivers > Devices for illuminating the head of the screw or the nut

CPC:

Details of, or accessories for, spanners, wrenches, screwdrivers (bolt tensioners B25B29/02) > Devices for illuminating the head of the screw or the nut

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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