CPC Subgroup
B21B 39/02 Feeding or supporting work; Braking or tensioning arrangements
Full Title
Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills (guiding, conveying, or accumulating easily-flexible work in loops or curves B21B41/00; specially associated with cooling-beds B21B43/00; conveying or transporting in general B65G) > Feeding or supporting work; Braking or tensioning arrangements
5 direct subcodes
Child Classifications
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- B21B 39/04 Lifting or lowering work for conveying purposes, e.g. tilting tables arranged immediately in front of or behind the pass (turn-over or like manipulating means as such B21B39/20)
- B21B 39/06 Pushing or forcing work into pass
- B21B 39/08 Braking or tensioning arrangements
- B21B 39/10 Arrangement or installation of feeding rollers in rolling stands
- B21B 39/12 Arrangement or installation of roller tables in relation to a roll stand
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