- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 27/00 - RollsLubricating, cooling or heating rolls while in use
Patent holdings for IPC class B21B 27/00
Total number of patents in this class: 210
10-year publication summary
|
24
|
13
|
12
|
12
|
16
|
5
|
14
|
17
|
8
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp Steel Europe AG | 996 |
25 |
| Hitachi Metals, Ltd. | 1823 |
21 |
| JFE Steel Corporation | 7617 |
12 |
| SMS Group GmbH | 1208 |
8 |
| Nippon Steel Corporation | 6969 |
6 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 49 |
5 |
| Novelis Inc. | 784 |
5 |
| Praxair S.T. Technology, Inc. | 119 |
5 |
| Maxterial, Inc. | 47 |
5 |
| ArcelorMittal | 2725 |
4 |
| POSCO | 2143 |
4 |
| Arconic Technologies LLC | 241 |
4 |
| Akers AB | 10 |
3 |
| POSCO Co., Ltd. | 2028 |
3 |
| ThyssenKrupp Rasselstein GmbH | 71 |
3 |
| Victaulic Company | 621 |
3 |
| Nippon Steel Rolls Corporation | 5 |
3 |
| Airbus Defence and Space SAS | 591 |
2 |
| Constellium Issoire | 229 |
2 |
| Daetwyler Graphics AG | 4 |
2 |
| Other owners | 85 |