- 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: 285
10-year publication summary
|
14
|
6
|
14
|
13
|
13
|
16
|
22
|
23
|
25
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 989 |
31 |
| JFE Steel Corporation | 6916 |
30 |
| Nippon Steel Corporation | 6334 |
27 |
| SMS Group GmbH | 1131 |
21 |
| TMEIC Corporation | 794 |
13 |
| Primetals Technologies Germany GmbH | 204 |
12 |
| Primetals Technologies Austria GmbH | 539 |
11 |
| Danieli & C. Officine Meccaniche S.p.A. | 718 |
10 |
| Siemens AG | 24409 |
8 |
| Baoshan Iron & Steel Co., Ltd. | 966 |
8 |
| Novelis Inc. | 755 |
6 |
| Hitachi, Ltd. | 15556 |
5 |
| ArcelorMittal | 2319 |
5 |
| Nucor Corporation | 419 |
5 |
| International Business Machines Corporation | 61433 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
4 |
| POSCO | 2183 |
4 |
| SMS Siemag Aktiengesellschaft | 506 |
4 |
| Siemens VAI Metals Technologies GmbH | 221 |
3 |
| Joint Stock Company "TVEL" | 39 |
3 |
| Other owners | 71 |