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CPC Subgroup
B23F 15/06

Making gear teeth on the front surface of wheels, e.g. for clutches or couplings with toothed faces

Full Title

Methods or machines for making gear wheels of special kinds not covered by groups B23F7/00 - B23F13/00 > Making gear teeth on the front surface of wheels, e.g. for clutches or couplings with toothed faces

Filing statistics

CPC B23F 15/06 belongs to the parent subclass B23F, which recorded 6,819 patent applications worldwide between 2013 and 2023. Annual filings grew from 350 in 2013 to 597 in 2023 (+71%), peaking at 853 applications in 2020. The most active applicants in class B23 are ITW (ILLINOIS TOOL WORKS) (3,642 applications), DISCO CORPORATION (3,316 applications) and FANUC (3,111 applications).

Source: EPO PATSTAT, worldwide filings

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