- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 13/20 - Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories for step-by-step or planetary rolling for planetary rolling
Patent holdings for IPC class B21B 13/20
Total number of patents in this class: 3
10-year publication summary
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0
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0
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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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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
|
|---|---|---|
| NHK Spring Co., Ltd. | 1934 |
1 |
| SMS Group GmbH | 1163 |
1 |
| Titanium Metals Corporation | 82 |
1 |
| Other owners | 0 |