- All sections
- B - Performing operationstransporting
- 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: 200
10-year publication summary
|
8
|
11
|
12
|
17
|
17
|
13
|
11
|
7
|
8
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Primetals Technologies Austria GmbH | 539 |
23 |
| SMS Group GmbH | 1129 |
20 |
| Novelis Inc. | 754 |
18 |
| JFE Steel Corporation | 6892 |
12 |
| SMS Siemag Aktiengesellschaft | 506 |
12 |
| Wisdri Engineering & Research Incorporation Limited | 210 |
6 |
| Hitachi Metals, Ltd. | 1976 |
5 |
| Siemens VAI Metals Technologies GmbH | 221 |
5 |
| Nippon Steel Corporation | 6321 |
5 |
| Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 42 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 718 |
4 |
| POSCO | 2184 |
4 |
| Sumitomo Metal Industries, Ltd. | 369 |
4 |
| Siemens Plc | 71 |
3 |
| Fives DMS | 45 |
3 |
| IHI Corporation | 3447 |
3 |
| Linde Aktiengesellschaft | 1498 |
3 |
| Nucor Corporation | 416 |
3 |
| Primetals Technologies Japan, Ltd. | 166 |
3 |
| Primetals Technologies USA LLC | 119 |
3 |
| Other owners | 57 |