- All sections
- B - Performing operations; transporting
- B21B - Rolling of metal
- B21B 37/48 - Tension control; Compression control
Patent holdings for IPC class B21B 37/48
Total number of patents in this class: 61
10-year publication summary
3
|
6
|
3
|
2
|
2
|
4
|
6
|
6
|
2
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Primetals Technologies Germany GmbH | 180 |
6 |
Siemens AG | 24990 |
5 |
Primetals Technologies Japan, Ltd. | 143 |
5 |
POSCO | 2222 |
4 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
4 |
Baoshan Iron & Steel Co., Ltd. | 832 |
3 |
JFE Steel Corporation | 6067 |
3 |
Novelis Inc. | 656 |
3 |
SMS Siemag Aktiengesellschaft | 529 |
3 |
The Bradbury Company, Inc. | 44 |
2 |
Jiangsu Shagang Group Co., Ltd. | 52 |
2 |
Institute of Research of Iron & Steel, Jiangsu Province/sha-steel, Co., Ltd. | 23 |
2 |
Shanghai Wuxing Copper Co., Ltd. | 3 |
2 |
Hitachi, Ltd. | 16452 |
1 |
Denso Corporation | 23338 |
1 |
Siemens VAI Metals Technologies GmbH | 233 |
1 |
Danieli Automation SpA | 109 |
1 |
Denso Preas Co., Ltd. | 1 |
1 |
Muhr und Bender KG | 84 |
1 |
Nippon Steel Corporation | 5649 |
1 |
Other owners | 10 |