- All sections
- B - Performing operations; transporting
- B21B - Rolling of metal
- B21B 37/00 - Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
Patent holdings for IPC class B21B 37/00
Total number of patents in this class: 261
10-year publication summary
14
|
15
|
6
|
17
|
13
|
13
|
16
|
22
|
21
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
38 |
Nippon Steel Corporation | 5649 |
29 |
JFE Steel Corporation | 6067 |
22 |
SMS Group GmbH | 1029 |
18 |
Primetals Technologies Germany GmbH | 180 |
12 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
9 |
Primetals Technologies Austria GmbH | 479 |
9 |
Siemens AG | 24990 |
8 |
Baoshan Iron & Steel Co., Ltd. | 832 |
8 |
Hitachi, Ltd. | 16452 |
5 |
ArcelorMittal | 1887 |
5 |
Novelis Inc. | 656 |
5 |
Nucor Corporation | 425 |
5 |
International Business Machines Corporation | 60644 |
4 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
4 |
POSCO | 2222 |
4 |
SMS Siemag Aktiengesellschaft | 529 |
4 |
Siemens VAI Metals Technologies GmbH | 233 |
3 |
Joint Stock Company "TVEL" | 37 |
3 |
Sumitomo Metal Industries, Ltd. | 453 |
3 |
Other owners | 63 |