- 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: 757
10-year publication summary
48
|
35
|
42
|
64
|
56
|
49
|
39
|
34
|
37
|
29
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6992 |
72 |
Nippon Steel Corporation | 6405 |
59 |
SMS Group GmbH | 1134 |
56 |
Primetals Technologies Austria GmbH | 546 |
51 |
Novelis Inc. | 766 |
23 |
ArcelorMittal | 2344 |
21 |
Nippon Steel & Sumitomo Metal Corporation | 1987 |
21 |
Danieli & C. Officine Meccaniche S.p.A. | 714 |
19 |
SMS Siemag Aktiengesellschaft | 504 |
18 |
Baoshan Iron & Steel Co., Ltd. | 969 |
17 |
POSCO | 2178 |
17 |
Primetals Technologies Germany GmbH | 204 |
17 |
Primetals Technologies Japan, Ltd. | 167 |
13 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 986 |
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 | 800 |
7 |
Other owners | 290 |