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CPC Main Group
B21B 43/00

Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed (conveying means in general B65G)

8 direct subcodes

Child Classifications

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  • B21B 43/02 Cooling beds comprising rakes or bars (B21B43/10 takes precedence)
  • B21B 43/04 Cooling beds comprising rolls or worms
  • B21B 43/06 Cooling beds comprising carriages (B21B43/08 takes precedence)
  • B21B 43/08 Cooling beds comprising revolving drums or recycling chains
  • B21B 43/10 Cooling beds with other work-shifting elements projecting through the bed
  • B21B 43/12 Devices for positioning workpieces "flushed", i.e. with all their axial ends arranged in line on cooling beds or on co-operating conveyors

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