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CPC Main Group
B23B 13/00

Arrangements for automatically conveying or chucking or guiding stock

Filing statistics

CPC B23B 13/00 belongs to the parent subclass B23B, which recorded 66,933 patent applications worldwide between 2013 and 2023. Annual filings declined from 4,756 in 2013 to 4,707 in 2023 (-1%), peaking at 7,816 applications in 2018. 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

6 direct subcodes

Child Classifications

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  • B23B 13/04 for turning-machines with a plurality of working-spindles
  • B23B 13/06 Arrangements for switching-off the drive of turning-machines after the stock has been completely machined
  • B23B 13/08 Arrangements for reducing vibrations in feeding-passages or for damping noise (damping noise in general G10K)
  • B23B 13/10 with magazines for stock

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