CPC Main Group
B22D 13/00 Centrifugal casting; Casting by using centrifugal force
6 direct subcodes
Child Classifications
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- B22D 13/02 of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
- B22D 13/04 of shallow solid or hollow bodies, e.g. wheels or rings, in moulds rotating around their axis of symmetry
- B22D 13/06 of solid or hollow bodies in moulds rotating around an axis arranged outside the mould
- B22D 13/08 in which a stationary mould is fed from a rotating mass of liquid metal
- B22D 13/10 Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings (making or lining moulds B22C)
- B22D 13/12 Controlling, supervising, specially adapted to centrifugal casting, e.g. for safety reasons (controlling or regulating in general G05)
Top Applicants
Top 10 applicants by patent filingsfor 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