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CPC Subgroup
B23G 3/08

for advancing or controlling the threading tool or the work by templates, cams, or the like

Full Title

Arrangements or accessories for enabling machine tools not specially designed only for thread cutting to be used for this purpose, e.g. arrangements for reversing the working spindle > for advancing or controlling the threading tool or the work by templates, cams, or the like

Filing statistics

CPC B23G 3/08 belongs to the parent subclass B23G, which recorded 5,497 patent applications worldwide between 2013 and 2023. Annual filings grew from 295 in 2013 to 416 in 2023 (+41%), peaking at 689 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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  • B23G 3/10 for cutting thread of variable pitch
  • B23G 3/12 for using several adjacently-arranged threading tools, e.g. using several chasers
  • B23G 3/14 for cutting thread of conical shape

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