CPC Subgroup
B21B 13/08 with differently-directed roll axes, e.g. for the so-called "universal" rolling process
Full Title
Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories (B21B17/00 - B21B23/00 take precedence) > with differently-directed roll axes, e.g. for the so-called "universal" rolling process
2 direct subcodes
Child Classifications
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- B21B 13/10 all axes being arranged in one plane
- B21B 13/12 axes being arranged in different planes
Top Applicants
Top 10 applicants by patent filingsfor class B21, 2013–2023, worldwide · Source: EPO PATSTAT
- JFE STEEL JP 2,667
- NIPPON STEEL CORPORATION JP 2,049
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,967
- NSSMC (NIPPON STEEL & SUMITOMO METAL) JP 1,800
- SMS GROUP DE 1,538
- JFE STEEL 1,150
- ARCELORMITTAL LU 1,142
- BAOSHAN IRON & STEEL COMPANY 821
- HYUNDAI STEEL COMPANY KR 808
- THYSSENKRUPP STEEL EUROPE DE 660