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PCE
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DIFF Subgroup
B23D 73/04

Methods or machines for the manufacture of files or rasps

Introduced: September 1968

Full Title

Making files or rasps > Methods or machines for the manufacture of files or rasps

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

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B23D 73/06 Cutting the working surfaces by means of chisels IPC+CPC Available in IPC and CPC
  • B23D 73/08 Milling, planing, slotting, knurling, or broaching the working surfaces IPC+CPC Available in IPC and CPC
  • B23D 73/10 Grinding the working surfaces IPC+CPC Available in IPC and CPC
  • B23D 73/12 Peculiar procedures for sharpening or otherwise treating the working surfaces (special treatment by sand-blast B24C1/02; sharpening files by etching C23F1/06) 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