- 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: 748
10-year publication summary
|
50
|
37
|
43
|
71
|
57
|
52
|
40
|
36
|
37
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6840 |
72 |
| Nippon Steel Corporation | 6238 |
59 |
| SMS Group GmbH | 1125 |
56 |
| Primetals Technologies Austria GmbH | 532 |
49 |
| Novelis Inc. | 750 |
23 |
| ArcelorMittal | 2285 |
21 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
21 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
20 |
| SMS Siemag Aktiengesellschaft | 505 |
18 |
| Baoshan Iron & Steel Co., Ltd. | 964 |
17 |
| POSCO | 2186 |
17 |
| Primetals Technologies Germany GmbH | 203 |
17 |
| Primetals Technologies Japan, Ltd. | 165 |
13 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 995 |
13 |
| Wisdri Engineering & Research Incorporation Limited | 210 |
11 |
| Fives DMS | 45 |
9 |
| Sumitomo Metal Industries, Ltd. | 380 |
9 |
| Cockerill Maintenance & Ingenierie SA | 80 |
7 |
| Primetals Technologies USA LLC | 116 |
7 |
| TMEIC Corporation | 776 |
7 |
| Other owners | 282 |