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CPC Main Group
B22F 1/00

Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties

11 direct subcodes

Child Classifications

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  • B22F 1/07 Metallic powder characterised by particles having a nanoscale microstructure (nanosized particles B22F1/054)
  • B22F 1/08 Metallic powder characterised by particles having an amorphous microstructure
  • B22F 1/12 Metallic powder containing non-metallic particles (containing lubricating or binding agents or organic material B22F1/10)
  • B22F 1/16 Metallic particles coated with a non-metal (coated with lubricating or binding agents or with organic material B22F1/10)
  • B22F 1/17 Metallic particles coated with metal
  • B22F 1/18 Non-metallic particles coated with metal

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