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IPC Subgroup
B22F 10/1

Formation of a green body

Introduced: January 2021

Full Title

Additive manufacturing of workpieces or articles from metallic powder > Formation of a green body

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
CASTING; POWDER METALLURGY
Subclass:
WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER

4 direct subcodes

Child Classifications

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  • B22F 10/12 by photopolymerisation, e.g. stereolithography [SLA] or digital light processing [DLP]
  • B22F 10/14 by jetting of binder onto a bed of metal powder
  • B22F 10/16 by embedding the binder within the powder bed
  • B22F 10/18 by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF]

Top Applicants

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

  1. GE (GENERAL ELECTRIC COMPANY) US 1,719
  2. CHINESE ACADEMY OF SCIENCES 1,489
  3. POSCO (POHANG IRON AND STEEL COMPANY) KR 1,248
  4. TOYOTA MOTOR CORPORATION 1,043
  5. SIEMENS DE 1,028
  6. CENTRAL SOUTH UNIVERSITY 959
  7. HEWLETT-PACKARD DEVELOPMENT COMPANY US 891
  8. UNITED TECHNOLOGIES CORPORATION (UTC) US 786
  9. UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING 769
  10. JFE STEEL JP 761