CPC Main Group Additional Only
B21B 2267/00 Roll parameters
7 direct subcodes
Child Classifications
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- B21B 2267/02 Roll dimensions
- B21B 2267/10 Roughness of roll surface
- B21B 2267/12 Roll temperature
- B21B 2267/18 Roll crown; roll profile
- B21B 2267/24 Roll wear
- B21B 2267/26 Hardness of the roll surface
- B21B 2267/28 Elastic moduli of rolls
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