- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 9/00 - Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of workSpecial measures for removing fumes from rolling mills
Patent holdings for IPC class B21B 9/00
Total number of patents in this class: 18
10-year publication summary
|
2
|
2
|
3
|
2
|
1
|
1
|
0
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1127 |
4 |
| Baoshan Iron & Steel Co., Ltd. | 963 |
2 |
| Jiangsu University | 1103 |
2 |
| GM Global Technology Operations LLC | 15088 |
1 |
| JFE Steel Corporation | 6853 |
1 |
| Nalco Japan G.K. | 16 |
1 |
| Primetals Technologies Austria GmbH | 535 |
1 |
| Primetals Technologies, Limited | 32 |
1 |
| SMS Demag AG | 102 |
1 |
| SMS Siemag Aktiengesellschaft | 504 |
1 |
| Wuhan University of Technology | 191 |
1 |
| Yanshan University | 151 |
1 |
| Okumtec Technology Wenzhou Co., Ltd | 1 |
1 |
| Other owners | 0 |