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CPC Subgroup
B21G 3/02

of pins of the kind used in the tailoring trade or the house- hold

Full Title

Making pins, nails, or the like (of pins with individual caps B21G5/00; of U-like shape B21G7/00; of split-pins B21G7/08) > of pins of the kind used in the tailoring trade or the house- hold

Filing statistics

CPC B21G 3/02 belongs to the parent subclass B21G, which recorded 855 patent applications worldwide between 2013 and 2023. Annual filings grew from 47 in 2013 to 48 in 2023 (+2%), peaking at 118 applications in 2020. The most active applicants in class B21 are JFE STEEL (2,667 applications), NIPPON STEEL CORPORATION (2,049 applications) and POSCO (POHANG IRON AND STEEL COMPANY) (1,967 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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  • B21G 3/04 with locking or shielding device for the pin point, e.g. safety-pins

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