- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 19/06 - Rolling hollow basic material
Patent holdings for IPC class B21B 19/06
Total number of patents in this class: 27
10-year publication summary
|
0
|
0
|
5
|
0
|
3
|
2
|
2
|
1
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6220 |
6 |
| SMS Group GmbH | 1119 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
3 |
| JFE Steel Corporation | 6827 |
2 |
| Salzgitter Flachstahl GmbH | 158 |
2 |
| Vallourec Deutschland GmbH | 40 |
2 |
| Northwestern University | 3385 |
1 |
| Insite Manufacturing Pty Ltd | 2 |
1 |
| Ironside Design Manufacturing, Inc. | 2 |
1 |
| Leifeld Metal Spinning AG | 23 |
1 |
| Sandvik Materials Technology Deutschland GmbH | 59 |
1 |
| United States Steel Corporation | 174 |
1 |
| Ningbo Jintian Copper Tube Co., Ltd. | 1 |
1 |
| Other owners | 0 |