- All sections
- B - Performing operations; transporting
- B21B - Rolling of metal
- B21B 39/00 - Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
Patent holdings for IPC class B21B 39/00
Total number of patents in this class: 117
10-year publication summary
|
9
|
9
|
10
|
6
|
8
|
4
|
1
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Siemag Aktiengesellschaft | 515 |
9 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
8 |
| LG Electronics Inc. | 70898 |
7 |
| Primetals Technologies Austria GmbH | 509 |
7 |
| JFE Steel Corporation | 6538 |
6 |
| Nippon Steel Corporation | 5991 |
5 |
| SMS Group GmbH | 1078 |
5 |
| Siemens VAI Metals Technologies GmbH | 226 |
3 |
| POSCO | 2204 |
3 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 987 |
3 |
| ArcelorMittal | 2052 |
2 |
| Fujico Co., Ltd. | 19 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| Primetals Technologies Germany GmbH | 194 |
2 |
| ThyssenKrupp AG | 3210 |
2 |
| ThyssenKrupp Steel Europe AG | 956 |
2 |
| Vesuvius France S.A. | 18 |
2 |
| The Boeing Company | 19901 |
1 |
| Eaton Corporation | 1832 |
1 |
| Mitsubishi Electric Corporation | 44738 |
1 |
| Other owners | 44 |