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CPC Subgroup
B23B 5/08

for turning axles, bars, rods, tubes, rolls, i.e. shaft-turning lathes, roll lathes; Centreless turning

Full Title

Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor > for turning axles, bars, rods, tubes, rolls, i.e. shaft-turning lathes, roll lathes; Centreless turning

2 direct subcodes

Child Classifications

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  • B23B 5/10 for turning pilgrim rolls
  • B23B 5/12 for peeling bars or tubes by making use of cutting bits arranged around the workpiece (otherwise than by turning B23D79/12)

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