- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 39/34 - Arrangements or constructional combinations specifically designed to perform functions covered by more than one of groups , ,
Patent holdings for IPC class B21B 39/34
Total number of patents in this class: 23
10-year publication summary
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0
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0
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6
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3
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0
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2
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0
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1
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 730 |
11 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3903 |
8 |
| Brastec Technologies Ltda. | 1 |
1 |
| Keystone Tower Systems, Inc. | 47 |
1 |
| SMS Siemag Aktiengesellschaft | 507 |
1 |
| Companhia Siderúrgica de Tubará0 . | 2 |
1 |
| Other owners | 0 |