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
- 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