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PCE
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DIFF Subgroup
B23C 3/28

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

Introduced: September 1968

Title

Titles differ between systems:

IPC: Grooving workpieces

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

Full Title

Full titles differ between systems:

IPC:

Milling particular work; Special milling operations; Machines therefor > Grooving workpieces

CPC:

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

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

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