- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 17/08 - Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions
Patent holdings for IPC class B21B 17/08
Total number of patents in this class: 16
10-year publication summary
|
2
|
0
|
0
|
2
|
0
|
0
|
0
|
0
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7508 |
10 |
| Nippon Steel Corporation | 6843 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
1 |
| Repkon Machine and Tool Industry and Trade Inc. | 10 |
1 |
| Joint Stock Company 'chepetskiy Mechanical Plant'(jsc Cvp) | 1 |
1 |
| HL Mando Corporation | 1835 |
1 |
| Other owners | 0 |