- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 31/20 - Adjusting rolls by moving rolls perpendicularly to roll axis
Patent holdings for IPC class B21B 31/20
Total number of patents in this class: 62
10-year publication summary
|
1
|
4
|
5
|
5
|
5
|
4
|
4
|
6
|
3
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1136 |
15 |
| Novelis Inc. | 768 |
5 |
| Primetals Technologies Japan, Ltd. | 170 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 713 |
3 |
| Nippon Steel Corporation | 6452 |
3 |
| Baoshan Iron & Steel Co., Ltd. | 975 |
2 |
| IHI Corporation | 3462 |
2 |
| Ortic AB | 4 |
2 |
| SMS Siemag Aktiengesellschaft | 504 |
2 |
| IHI Logistics & Machinery Corporation | 14 |
2 |
| Solum Advanced Materials Co., Ltd. | 10 |
2 |
| Corts Engineering GmbH & Co.KG | 3 |
1 |
| Fives DMS | 45 |
1 |
| JP Steel Plantech Co. | 83 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2880 |
1 |
| Nakata Manufacturing Co., Ltd. | 36 |
1 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
1 |
| POSCO Co., Ltd. | 1586 |
1 |
| Primetals Technologies Austria GmbH | 547 |
1 |
| Sapa Heat Transfer AB | 8 |
1 |
| Other owners | 10 |