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CPC Subgroup
B23B 29/12

Special arrangements on tool holders

Full Title

Holders for non-rotary cutting tools (B23B27/12 takes precedence); Boring bars or boring heads; Accessories for tool holders > Tool holders for a single cutting tool > Special arrangements on tool holders

6 direct subcodes

Child Classifications

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  • B23B 29/14 affording a yielding support of the cutting tool, e.g. by spring clamping
  • B23B 29/16 for supporting the workpiece in a backrest
  • B23B 29/18 for retracting the cutting tool
  • B23B 29/22 for tool adjustment by means of shims or spacers

Top Applicants

Top 10 applicants by patent filingsfor 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