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DIFF Subgroup
B23C 3/34

Milling grooves of other forms, e.g. circumferential

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Milling particular work; Special milling operations; Machines therefor > Grooving workpieces > Milling grooves of other forms, e.g. circumferential

CPC:

Milling particular work; Special milling operations; Machines therefor (milling gear-teeth B23F, ) > Grooving workpieces (tread-cutting by milling B23G1/32) > Milling grooves of other forms, e.g. circumferential

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class B23,2013–2023, worldwide · Source: EPO PATSTAT

  1. ITW (ILLINOIS TOOL WORKS) US 3,407
  2. FANUC JP 3,120
  3. DISCO ABRASIVE SYSTEM 2,777
  4. HAN'S LASER TECHNOLOGY INDUSTRY GROUP COMPANY 2,629
  5. ROBERT BOSCH DE 2,468
  6. FANUC 2,273
  7. DISCO CORPORATION JP 2,267
  8. GE (GENERAL ELECTRIC COMPANY) US 1,611
  9. CHINESE ACADEMY OF SCIENCES 1,534
  10. ISCAR IL 1,499

Top Applicants (CPC)

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