- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 39/14 - Guiding, positioning or aligning work
Patent holdings for IPC class B21B 39/14
Total number of patents in this class: 102
10-year publication summary
|
6
|
7
|
6
|
3
|
11
|
8
|
11
|
6
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6853 |
17 |
| Primetals Technologies Austria GmbH | 535 |
16 |
| SMS Group GmbH | 1127 |
11 |
| SMS Siemag Aktiengesellschaft | 504 |
8 |
| Nippon Steel Corporation | 6271 |
5 |
| Primetals Technologies Japan, Ltd. | 165 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
3 |
| Sumitomo Metal Industries, Ltd. | 377 |
3 |
| Comau LLC | 100 |
2 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 55 |
2 |
| Nippon Steel Engineering Co., Ltd. | 207 |
2 |
| POSCO | 2186 |
2 |
| Primetals Technologies Germany GmbH | 203 |
2 |
| Sterling Products, Inc. | 27 |
2 |
| Kotobuki Sangyo CO., LTD. | 4 |
2 |
| Linton Crystal Technologies Corporation | 7 |
2 |
| Rtx Corporation | 9395 |
2 |
| The Boeing Company | 20057 |
1 |
| Aktiebolaget SKF | 2950 |
1 |
| Baoshan Iron & Steel Co., Ltd. | 963 |
1 |
| Other owners | 13 |