- 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: 196
10-year publication summary
|
8
|
12
|
12
|
19
|
17
|
13
|
12
|
7
|
8
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Primetals Technologies Austria GmbH | 509 |
22 |
| SMS Group GmbH | 1078 |
20 |
| Novelis Inc. | 704 |
17 |
| SMS Siemag Aktiengesellschaft | 515 |
12 |
| JFE Steel Corporation | 6538 |
9 |
| Nippon Steel Corporation | 5991 |
6 |
| Wisdri Engineering & Research Incorporation Limited | 164 |
6 |
| Hitachi Metals, Ltd. | 2026 |
5 |
| Siemens VAI Metals Technologies GmbH | 226 |
5 |
| Sumitomo Metal Industries, Ltd. | 420 |
5 |
| Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 44 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
4 |
| Nucor Corporation | 421 |
4 |
| POSCO | 2204 |
4 |
| Siemens Plc | 71 |
3 |
| Fives DMS | 44 |
3 |
| IHI Corporation | 3356 |
3 |
| Linde Aktiengesellschaft | 1551 |
3 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 58 |
3 |
| Primetals Technologies Japan, Ltd. | 152 |
3 |
| Other owners | 55 |