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PCE
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CPC Subgroup
B22D 13/04

of shallow solid or hollow bodies, e.g. wheels or rings, in moulds rotating around their axis of symmetry

Full Title

Centrifugal casting; Casting by using centrifugal force > of shallow solid or hollow bodies, e.g. wheels or rings, in moulds rotating around their axis of symmetry

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