Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: CASTING; POWDER METALLURGY
Subclass:: FOUNDRY MOULDING

Filing statistics

IPC B22C 5/00 belongs to the parent subclass B22C, which recorded 67,055 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,939 in 2013 to 6,568 in 2023 (+67%), peaking at 8,429 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

treating foundry SAND

8 direct subcodes

Child Classifications

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B22C 5/02 Dressing by centrifuging essentially or additionally
B22C 5/04 by grinding, blending, mixing, kneading, or stirring
B22C 5/06 by sieving or magnetic separating
B22C 5/08 by sprinkling, cooling, or drying
B22C 5/1 by dust separating
B22C 5/12 for filling flasks
B22C 5/14 Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material
B22C 5/18 Plants for preparing mould materials

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