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DIFF 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)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Casting in, on, or around, objects which form part of the product

CPC: 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)

Full Title

Full titles differ between systems:

IPC:

Casting in, on, or around, objects which form part of the product

CPC:

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)

Of 16 combined children, 8 exist in both systems.

8 codes are CPC-only extensions.

5 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B22D 19/0036 CPC only CPC only
  • B22D 19/0045 CPC only CPC only
  • B22D 19/0054 CPC only CPC only
  • B22D 19/0063 CPC only CPC only
  • B22D 19/0072 CPC only CPC only
  • B22D 19/0081 CPC only CPC only
  • B22D 19/009 CPC only CPC only
  • B22D 19/02 for making reinforced articles (B22D19/14 takes precedence) IPC+CPC Available in IPC and CPC
  • B22D 19/06 for manufacturing or repairing tools IPC+CPC Available in IPC and CPC
  • 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) IPC+CPC Available in IPC and CPC
  • B22D 19/12 for making objects, e.g. hinges, with parts which are movable relatively to one another IPC+CPC Available in IPC and CPC
  • 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) since 1980 IPC+CPC Available in IPC and CPC
  • 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) since 1980 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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