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CPC Subgroup
B23Q 15/013

Control or regulation of feed movement (B23Q15/12 takes precedence)

Full Title

Automatic control or regulation of feed movement, cutting velocity or position of tool or work > while the tool acts upon the workpiece > Control or regulation of feed movement (B23Q15/12 takes precedence)

Filing statistics

CPC B23Q 15/013 belongs to the parent subclass B23Q, which recorded 135,798 patent applications worldwide between 2013 and 2023. Annual filings grew from 6,122 in 2013 to 12,605 in 2023 (+106%), peaking at 17,397 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

3 direct subcodes

Child Classifications

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  • B23Q 15/02 according to the instantaneous size and the required size of the workpiece acted upon (B23Q15/06 takes precedence)
  • B23Q 15/04 according to the final size of the previously-machined workpiece (B23Q15/06 takes precedence)
  • B23Q 15/06 according to measuring results produced by two or more gauging methods using different measuring principles, e.g. by both optical and mechanical gauging

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