Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
B23C 3/28

Grooving workpieces (tread-cutting by milling B23G1/32)

Full Title

Milling particular work; Special milling operations; Machines therefor (milling gear-teeth B23F, ) > Grooving workpieces (tread-cutting by milling B23G1/32)

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • B23C 3/32 Milling helical grooves, e.g. in making twist-drills
  • B23C 3/34 Milling grooves of other forms, e.g. circumferential

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