CPC Subgroup
B21C 3/12 Die holders; Rotating dies
Full Title
Profiling tools for metal drawing; Combinations of dies and mandrels for metal drawing > Dies; Selection of material therefor; Cleaning thereof > Die holders; Rotating dies
1 direct subcode
Child Classifications
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- B21C 3/14 Die holders combined with devices for guiding the drawing material or combined with devices for cooling, heating, or lubricating
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