CPC Main Group
B21J 13/00 Details of machines for forging, pressing, or hammering
4 direct subcodes
Child Classifications
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- B21J 13/02 Dies or mountings therefor
- B21J 13/04 Frames; Guides
- B21J 13/06 Hammers tups; Anvils; Anvil blocks
- B21J 13/08 Accessories for handling work or tools
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