CPC Main Group
B21F 27/00 Making wire network, i.e. wire nets (making meshed-ring network from wire B21F31/00; in making bands B21F43/00)
4 direct subcodes
Child Classifications
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- B21F 27/02 without additional connecting elements or material at crossings, e.g. connected by knitting
- B21F 27/08 with additional connecting elements or material at crossings
- B21F 27/12 Making special types or portions of network by methods or means specially adapted therefor
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