- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 37/38 - Control of flatness or profile during rolling of strip, sheets or plates using roll bending
Patent holdings for IPC class B21B 37/38
Total number of patents in this class: 62
10-year publication summary
|
1
|
6
|
3
|
3
|
5
|
5
|
8
|
9
|
5
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
6 |
| JFE Steel Corporation | 7599 |
4 |
| Primetals Technologies Germany GmbH | 224 |
4 |
| Primetals Technologies Japan, Ltd. | 182 |
4 |
| Nippon Steel Corporation | 6945 |
3 |
| Nisshin Steel Co., Ltd. | 382 |
3 |
| Novelis Inc. | 784 |
3 |
| Outokumpu Oyj | 268 |
3 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 967 |
3 |
| ABB Schweiz AG | 7680 |
2 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 49 |
2 |
| Northeastern University | 577 |
2 |
| SMS Group GmbH | 1207 |
2 |
| Sendzimir Japan, Ltd. | 10 |
2 |
| Prime Planet Energy & Solutions, Inc. | 1069 |
2 |
| Honeywell International Inc. | 12770 |
1 |
| Hitachi, Ltd. | 16183 |
1 |
| Hitachi Power Solutions Co., Ltd. | 108 |
1 |
| IHI Corporation | 3534 |
1 |
| Keystone Tower Systems, Inc. | 47 |
1 |
| Other owners | 12 |