- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 31/02 - Rolling stand framesRoll mountings
Patent holdings for IPC class B21B 31/02
Total number of patents in this class: 99
10-year publication summary
|
5
|
3
|
6
|
5
|
8
|
5
|
4
|
7
|
10
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6843 |
10 |
| SMS Group GmbH | 1194 |
7 |
| Matthews International Corporation | 321 |
5 |
| Rtx Corporation | 10082 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
4 |
| SMS Siemag Aktiengesellschaft | 486 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
3 |
| JFE Steel Corporation | 7508 |
3 |
| Primetals Technologies Austria GmbH | 573 |
3 |
| Primetals Technologies Japan, Ltd. | 180 |
3 |
| Hefei Baisheng Science & Technology Co., Ltd. | 10 |
3 |
| Corts Engineering GmbH & Co. KG | 8 |
2 |
| Fives DMS | 50 |
2 |
| Morgan Engineering Systems, Inc. | 25 |
2 |
| Nakata Manufacturing Co., Ltd. | 35 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
2 |
| Ortic AB | 7 |
2 |
| Yanshan University | 157 |
2 |
| Samsung Electronics Co., Ltd. | 157557 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4026 |
1 |
| Other owners | 33 |