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:
Casting in, on, or around, objects which form part of the product
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 19/02 for making reinforced articles (B22D19/14 takes precedence) IPC+CPC Available in IPC and CPC
- B22D 19/08 for building-up linings or coverings, e.g. of anti-frictional metal +1 CPC 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
- GE (GENERAL ELECTRIC COMPANY) US 1,719
- CHINESE ACADEMY OF SCIENCES 1,489
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,248
- TOYOTA MOTOR CORPORATION 1,043
- SIEMENS DE 1,028
- CENTRAL SOUTH UNIVERSITY 959
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 891
- UNITED TECHNOLOGIES CORPORATION (UTC) US 786
- UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING 769
- JFE STEEL JP 761
Top Applicants (CPC)
Class B22,2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 2,157
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 1,633
- SIEMENS DE 1,267
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,124
- CHINESE ACADEMY OF SCIENCES 1,040
- UNITED TECHNOLOGIES CORPORATION (UTC) US 1,015
- JFE STEEL JP 884
- CENTRAL SOUTH UNIVERSITY 810
- HITACHI METALS JP 641
- SINTOKOGIO JP 624