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CPC Subgroup Additional Only
B23B 2270/20

Internally located features, machining or gripping of internal surfaces

Full Title

Details of turning, boring or drilling machines, processes or tools not otherwise provided for > Internally located features, machining or gripping of internal surfaces

1 direct subcode

Child Classifications

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  • B23B 2270/205 Machining or gripping both internal and external surfaces

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