- All sections
- B - Performing operations; transporting
- B21B - Rolling of metal
- B21B 27/10 - Lubricating, cooling, or heating rolls externally
Patent holdings for IPC class B21B 27/10
Total number of patents in this class: 199
10-year publication summary
|
20
|
8
|
12
|
12
|
19
|
17
|
13
|
11
|
6
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Primetals Technologies Austria GmbH | 479 |
21 |
| SMS Group GmbH | 1029 |
20 |
| Novelis Inc. | 656 |
16 |
| SMS Siemag Aktiengesellschaft | 529 |
12 |
| JFE Steel Corporation | 6067 |
9 |
| Nippon Steel Corporation | 5649 |
9 |
| Wisdri Engineering & Research Incorporation Limited | 132 |
6 |
| Hitachi Metals, Ltd. | 2175 |
5 |
| Siemens VAI Metals Technologies GmbH | 233 |
5 |
| Sumitomo Metal Industries, Ltd. | 453 |
5 |
| Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 44 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
4 |
| Nucor Corporation | 425 |
4 |
| POSCO | 2222 |
4 |
| Siemens Plc | 73 |
3 |
| Arcelor France | 41 |
3 |
| Fives DMS | 36 |
3 |
| IHI Corporation | 3268 |
3 |
| Linde Aktiengesellschaft | 1600 |
3 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 61 |
3 |
| Other owners | 57 |