- 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: 273
10-year publication summary
|
15
|
6
|
17
|
13
|
13
|
16
|
22
|
22
|
25
|
2
|
| 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 | 988 |
29 |
| JFE Steel Corporation | 6557 |
28 |
| Nippon Steel Corporation | 6012 |
27 |
| SMS Group GmbH | 1080 |
20 |
| Primetals Technologies Germany GmbH | 194 |
12 |
| Primetals Technologies Austria GmbH | 512 |
10 |
| TMEIC Corporation | 705 |
10 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
9 |
| Siemens AG | 24565 |
8 |
| Baoshan Iron & Steel Co., Ltd. | 897 |
8 |
| Hitachi, Ltd. | 15226 |
5 |
| ArcelorMittal | 2064 |
5 |
| Novelis Inc. | 705 |
5 |
| Nucor Corporation | 419 |
5 |
| International Business Machines Corporation | 60129 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
4 |
| POSCO | 2204 |
4 |
| SMS Siemag Aktiengesellschaft | 515 |
4 |
| Siemens VAI Metals Technologies GmbH | 226 |
3 |
| Joint Stock Company "TVEL" | 38 |
3 |
| Other owners | 70 |