- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 45/02 - Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
Patent holdings for IPC class B21B 45/02
Total number of patents in this class: 758
10-year publication summary
|
48
|
35
|
42
|
64
|
56
|
49
|
39
|
34
|
37
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6998 |
72 |
| Nippon Steel Corporation | 6414 |
59 |
| SMS Group GmbH | 1135 |
56 |
| Primetals Technologies Austria GmbH | 546 |
51 |
| Novelis Inc. | 766 |
23 |
| ArcelorMittal | 2349 |
21 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
21 |
| Danieli & C. Officine Meccaniche S.p.A. | 713 |
19 |
| SMS Siemag Aktiengesellschaft | 504 |
18 |
| Baoshan Iron & Steel Co., Ltd. | 971 |
17 |
| POSCO | 2178 |
17 |
| Primetals Technologies Germany GmbH | 205 |
17 |
| Primetals Technologies Japan, Ltd. | 167 |
13 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 987 |
13 |
| Wisdri Engineering & Research Incorporation Limited | 212 |
11 |
| Fives DMS | 45 |
9 |
| Sumitomo Metal Industries, Ltd. | 365 |
9 |
| Cockerill Maintenance & Ingenierie SA | 80 |
7 |
| Primetals Technologies USA LLC | 119 |
7 |
| TMEIC Corporation | 799 |
7 |
| Other owners | 291 |