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PCE
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CPC Subgroup
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)

Full Title

Making files or rasps > Methods or machines for the manufacture of files or rasps > Peculiar procedures for sharpening or otherwise treating the working surfaces (special treatment by sand-blast B24C1/02; sharpening files by etching C23F1/06)

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