- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 35/12 - Toothed-wheel gearings specially adapted for metal-rolling millsHousings or mountings therefor
Patent holdings for IPC class B21B 35/12
Total number of patents in this class: 20
10-year publication summary
|
0
|
0
|
1
|
2
|
2
|
1
|
1
|
5
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisdi Engineering Co., Ltd. | 100 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
2 |
| Primetals Technologies Japan, Ltd. | 167 |
2 |
| Solum Advanced Materials Co., Ltd. | 10 |
2 |
| JFE Steel Corporation | 6965 |
1 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 55 |
1 |
| Osaka University | 3397 |
1 |
| Primetals Technologies USA LLC | 119 |
1 |
| SMS Group GmbH | 1134 |
1 |
| SMS Meer GmbH | 64 |
1 |
| CISDI Research & Development Co., Ltd. | 30 |
1 |
| Taiyuan Heavy Industry Co., Ltd. | 4 |
1 |
| Zhang, Xiaoxin | 2 |
1 |
| W Durston Ltd | 2 |
1 |
| CHENG, Daiwen | 1 |
1 |
| Other owners | 0 |