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
- 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