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CPC Subgroup
B22F 10/30

Process control

Full Title

Additive manufacturing of workpieces or articles from metallic powder (apparatus or devices therefor B22F12/00) > Process control

7 direct subcodes

Child Classifications

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  • B22F 10/31 Calibration of process steps or apparatus settings, e.g. before or during manufacturing
  • B22F 10/34 of powder characteristics, e.g. density, oxidation or flowability
  • B22F 10/37 of powder bed aspects, e.g. density
  • B22F 10/39 Traceability, e.g. incorporating identifier into a workpiece or article

Top Applicants

Top 10 applicants by patent filingsfor class B22, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 2,157
  2. HEWLETT-PACKARD DEVELOPMENT COMPANY US 1,633
  3. SIEMENS DE 1,267
  4. POSCO (POHANG IRON AND STEEL COMPANY) KR 1,124
  5. CHINESE ACADEMY OF SCIENCES 1,040
  6. UNITED TECHNOLOGIES CORPORATION (UTC) US 1,015
  7. JFE STEEL JP 884
  8. CENTRAL SOUTH UNIVERSITY 810
  9. HITACHI METALS JP 641
  10. SINTOKOGIO JP 624