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CPC Subgroup
B23K 26/50

Working by transmitting the laser beam through or within the workpiece

Full Title

Working by laser beam, e.g. welding, cutting or boring > Working by transmitting the laser beam through or within the workpiece

3 direct subcodes

Child Classifications

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  • B23K 26/53 for modifying or reforming the material inside the workpiece, e.g. for producing break initiation cracks
  • B23K 26/55 for creating voids inside the workpiece, e.g. for forming flow passages or flow patterns
  • B23K 26/57 the laser beam entering a face of the workpiece from which it is transmitted through the workpiece material to work on a different workpiece face, e.g. for effecting removal, fusion splicing, modifying or reforming

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