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CPC Main Group
B21K 5/00

Making tools or tool parts, e.g. pliers

6 direct subcodes

Child Classifications

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  • B21K 5/12 other cutting tools (cutlery wares B21K11/00)
  • B21K 5/14 hand hammers
  • B21K 5/16 tools for turning nuts
  • B21K 5/18 handles or parts therefor
  • B21K 5/20 Making working faces of dies, either recessed or outstanding

Top Applicants

Top 10 applicants by patent filingsfor class B21, 2013–2023, worldwide · Source: EPO PATSTAT

  1. JFE STEEL JP 2,667
  2. NIPPON STEEL CORPORATION JP 2,049
  3. POSCO (POHANG IRON AND STEEL COMPANY) KR 1,967
  4. NSSMC (NIPPON STEEL & SUMITOMO METAL) JP 1,800
  5. SMS GROUP DE 1,538
  6. JFE STEEL 1,150
  7. ARCELORMITTAL LU 1,142
  8. BAOSHAN IRON & STEEL COMPANY 821
  9. HYUNDAI STEEL COMPANY KR 808
  10. THYSSENKRUPP STEEL EUROPE DE 660