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CPC Main Group
B22D 19/00

Casting in, on, or around objects which form part of the product (B22D23/04 takes precedence; alumino-thermic welding B23K23/00; coating by casting molten material on the substrate C23C6/00)

16 direct subcodes

Child Classifications

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  • B22D 19/02 for making reinforced articles (B22D19/14 takes precedence)
  • B22D 19/06 for manufacturing or repairing tools
  • B22D 19/10 Repairing defective or damaged objects by metal casting procedures (by other procedures B23P6/04; ingot mould B22D7/06; B22D19/06 takes precedence)
  • B22D 19/12 for making objects, e.g. hinges, with parts which are movable relatively to one another
  • B22D 19/14 the objects being filamentary or particulate in form (making alloys containing fibres or filaments by contacting the fibres or filaments with molten metal C22C47/08)
  • B22D 19/16 for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills (casting compound ingots B22D7/02)

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