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DIFF Subgroup
B23B 29/24

Tool holders for a plurality of cutting tools, e.g. turrets

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders > Tool holders for a plurality of cutting tools, e.g. turrets

CPC:

Holders for non-rotary cutting tools (B23B27/12 takes precedence); Boring bars or boring heads; Accessories for tool holders > Tool holders for a plurality of cutting tools, e.g. turrets

Of 8 combined children, 4 exist in both systems.

3 codes are CPC-only extensions, 1 exist only in IPC.

Child Classifications

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  • B23B 29/242 CPC only CPC only
  • B23B 29/248 CPC only CPC only
  • B23B 29/26 Tool holders in fixed position IPC+CPC Available in IPC and CPC
  • B23B 29/3 Turrets manually adjustable about a horizontal pivot IPC only IPC only
  • B23B 29/34 Turrets equipped with triggers for releasing the cutting tools IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B23,2013–2023, worldwide · Source: EPO PATSTAT

  1. ITW (ILLINOIS TOOL WORKS) US 3,407
  2. FANUC JP 3,120
  3. DISCO ABRASIVE SYSTEM 2,777
  4. HAN'S LASER TECHNOLOGY INDUSTRY GROUP COMPANY 2,629
  5. ROBERT BOSCH DE 2,468
  6. FANUC 2,273
  7. DISCO CORPORATION JP 2,267
  8. GE (GENERAL ELECTRIC COMPANY) US 1,611
  9. CHINESE ACADEMY OF SCIENCES 1,534
  10. ISCAR IL 1,499

Top Applicants (CPC)

Class B23,2013–2023, worldwide · Source: EPO PATSTAT

  1. ITW (ILLINOIS TOOL WORKS) US 3,642
  2. DISCO CORPORATION JP 3,316
  3. FANUC JP 3,111
  4. ROBERT BOSCH DE 2,711
  5. FANUC 2,163
  6. GE (GENERAL ELECTRIC COMPANY) US 2,113
  7. ISCAR IL 1,516
  8. SIEMENS DE 1,459
  9. LINCOLN GLOBAL US 1,433
  10. KOBE STEEL JP 1,423