- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 31/08 - Interchanging rolls, roll mountings, or stand frames
Patent holdings for IPC class B21B 31/08
Total number of patents in this class: 64
10-year publication summary
|
2
|
3
|
5
|
8
|
5
|
2
|
2
|
3
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1208 |
8 |
| SMS Siemag Aktiengesellschaft | 484 |
6 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
5 |
| Nakata Manufacturing Co., Ltd. | 35 |
5 |
| Fives DMS | 50 |
3 |
| Primetals Technologies Japan, Ltd. | 182 |
3 |
| Primetals Technologies USA LLC | 120 |
3 |
| Futura S.p.A. | 141 |
2 |
| Blue Solutions Canada Inc. | 54 |
2 |
| Xerox Corporation | 4382 |
1 |
| Siemens VAI Metals Technologies GmbH | 203 |
1 |
| Siemens VAI Metals Technologies SAS | 60 |
1 |
| ARKU Maschinenbau GmbH | 33 |
1 |
| Cisdi Engineering Co., Ltd. | 108 |
1 |
| Contemporary Amperex Technology Co., Limited | 10352 |
1 |
| Fives Bronx, Inc. | 7 |
1 |
| Harper Corporation of America | 7 |
1 |
| JP Steel Plantech Co. | 81 |
1 |
| KOCKS Technik GmbH & Co. KG | 30 |
1 |
| Langenstein & Schemann GmbH | 42 |
1 |
| Other owners | 16 |