- 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: 778
10-year publication summary
|
37
|
43
|
71
|
57
|
52
|
40
|
38
|
37
|
37
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7549 |
69 |
| SMS Group GmbH | 1200 |
61 |
| Nippon Steel Corporation | 6895 |
60 |
| Primetals Technologies Austria GmbH | 575 |
53 |
| Novelis Inc. | 781 |
25 |
| ArcelorMittal | 2680 |
23 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
21 |
| Danieli & C. Officine Meccaniche S.p.A. | 721 |
20 |
| Baoshan Iron & Steel Co., Ltd. | 1104 |
18 |
| SMS Siemag Aktiengesellschaft | 486 |
18 |
| Primetals Technologies Germany GmbH | 220 |
17 |
| POSCO | 2142 |
16 |
| Primetals Technologies Japan, Ltd. | 180 |
13 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 967 |
13 |
| Wisdri Engineering & Research Incorporation Limited | 222 |
11 |
| Fives DMS | 50 |
10 |
| Sumitomo Metal Industries, Ltd. | 316 |
9 |
| TMEIC Corporation | 911 |
9 |
| Cockerill Maintenance & Ingenierie SA | 79 |
7 |
| Siemens AG | 24020 |
6 |
| Other owners | 299 |