- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 39/18 - Switches for directing work in metal-rolling mills or trains
Patent holdings for IPC class B21B 39/18
Total number of patents in this class: 7
10-year publication summary
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0
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0
|
0
|
1
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2
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danieli & C. Officine Meccaniche S.p.A. | 719 |
3 |
| Primetals Technologies Japan, Ltd. | 182 |
2 |
| Nippon Steel Corporation | 6945 |
1 |
| SMS Siemag Aktiengesellschaft | 484 |
1 |
| Other owners | 0 |