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DIFF Subgroup
B23K 26/04

Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light

Introduced: January 1980

Full Title

Working by laser beam, e.g. welding, cutting or boring > Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam > Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 2014.

Child Classifications

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  • B23K 26/044 Seam tracking since 2014 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