- 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: 119
10-year publication summary
|
16
|
9
|
9
|
10
|
6
|
8
|
4
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
10 |
| SMS Siemag Aktiengesellschaft | 529 |
9 |
| LG Electronics Inc. | 69257 |
7 |
| Primetals Technologies Austria GmbH | 479 |
7 |
| JFE Steel Corporation | 6067 |
6 |
| Nippon Steel Corporation | 5649 |
5 |
| SMS Group GmbH | 1029 |
5 |
| Siemens VAI Metals Technologies GmbH | 233 |
3 |
| POSCO | 2222 |
3 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
3 |
| Vesuvius France S.A. | 19 |
3 |
| ArcelorMittal | 1887 |
2 |
| Fujico Co., Ltd. | 20 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
2 |
| Primetals Technologies Germany GmbH | 180 |
2 |
| ThyssenKrupp AG | 3086 |
2 |
| ThyssenKrupp Steel Europe AG | 924 |
2 |
| The Boeing Company | 19843 |
1 |
| Eaton Corporation | 1839 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Other owners | 43 |