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IPC Main Group
B22D 19/00

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

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
CASTING; POWDER METALLURGY
Subclass:
CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES

Related Keywords

COATING with molten metalJOINING metal parts together by castingREPAIRING by castingSHEATHING objects by castingSOLDERING by using a mould

8 direct subcodes

Child Classifications

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  • B22D 19/02 for making reinforced articles
  • B22D 19/04 for joining parts
  • B22D 19/06 for manufacturing or repairing tools
  • B22D 19/08 for building up linings or coverings, e.g. of anti-frictional metal
  • B22D 19/1 Repairing defective or damaged objects by metal casting techniques
  • 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
  • B22D 19/16 for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills

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