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
Filing statistics
IPC B22D 19/00 belongs to the parent subclass B22D, which recorded 144,032 patent applications worldwide between 2013 and 2023. Annual filings grew from 8,344 in 2013 to 16,940 in 2023 (+103%), peaking at 17,691 applications in 2020. The most active applicants in class B22 are GE (GENERAL ELECTRIC COMPANY) (1,719 applications), CHINESE ACADEMY OF SCIENCES (1,489 applications) and POSCO (POHANG IRON AND STEEL COMPANY) (1,248 applications).
Source: EPO PATSTAT, worldwide filings
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