- All sections
- B - Performing operations; transporting
- B21B - Rolling of metal
- B21B 37/50 - Tension control; Compression control by looper control
Patent holdings for IPC class B21B 37/50
Total number of patents in this class: 18
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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1
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1
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2
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0
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2
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
3 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
3 |
| Primetals Technologies Germany GmbH | 180 |
2 |
| Siemens VAI Metals Technologies GmbH | 233 |
1 |
| Bilstein GmbH & Co. KG | 37 |
1 |
| Corus Staal B.V. | 21 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
1 |
| GE Energy Power Conversion Technology Ltd | 407 |
1 |
| JFE Steel Corporation | 6067 |
1 |
| Muhr und Bender KG | 84 |
1 |
| Nippon Steel Corporation | 5649 |
1 |
| Primetals Technologies Austria GmbH | 479 |
1 |
| Wisdri Engineering & Research Incorporation Limited | 132 |
1 |
| Other owners | 0 |