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PCE
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CPC Subgroup
B22F 5/10

of articles with cavities or holes, not otherwise provided for in the preceding subgroups

Full Title

Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product > of articles with cavities or holes, not otherwise provided for in the preceding subgroups

2 direct subcodes

Child Classifications

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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