- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 37/00 - Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
Patent holdings for IPC class B21B 37/00
Total number of patents in this class: 291
10-year publication summary
|
6
|
17
|
13
|
13
|
16
|
22
|
24
|
25
|
15
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7508 |
36 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 970 |
30 |
| SMS Group GmbH | 1194 |
27 |
| Nippon Steel Corporation | 6843 |
25 |
| TMEIC Corporation | 908 |
14 |
| Primetals Technologies Germany GmbH | 219 |
12 |
| Primetals Technologies Austria GmbH | 573 |
11 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
10 |
| ArcelorMittal | 2663 |
8 |
| Baoshan Iron & Steel Co., Ltd. | 1101 |
8 |
| Siemens AG | 24033 |
7 |
| Hitachi, Ltd. | 16071 |
5 |
| Novelis Inc. | 779 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
4 |
| Nucor Corporation | 418 |
4 |
| POSCO | 2147 |
4 |
| SMS Siemag Aktiengesellschaft | 486 |
4 |
| International Business Machines Corporation | 62621 |
3 |
| Siemens VAI Metals Technologies GmbH | 204 |
3 |
| Joint Stock Company "TVEL" | 40 |
3 |
| Other owners | 68 |