- All sections
- B - Performing operations; transporting
- B21B - Rolling of metal
- B21B 37/32 - Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls
Patent holdings for IPC class B21B 37/32
Total number of patents in this class: 48
10-year publication summary
|
3
|
5
|
2
|
2
|
0
|
2
|
1
|
6
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 704 |
4 |
| Primetals Technologies Japan, Ltd. | 152 |
4 |
| SMS Group GmbH | 1078 |
4 |
| IHI Corporation | 3356 |
3 |
| Primetals Technologies Austria GmbH | 509 |
3 |
| Siemens VAI Metals Technologies GmbH | 226 |
2 |
| Constellium Issoire | 214 |
2 |
| IHI Metaltech Co., Ltd. | 13 |
2 |
| Nippon Steel Corporation | 5991 |
2 |
| Nucor Corporation | 421 |
2 |
| Wisdri Engineering & Research Incorporation Limited | 164 |
2 |
| Siemens AG | 24572 |
1 |
| ABB Schweiz AG | 6616 |
1 |
| Achenbach Buschhutten GmbH & Co. KG | 39 |
1 |
| Alcoa Inc. | 300 |
1 |
| BlueScope Steel Limited | 216 |
1 |
| Harbin Institute of Technology | 394 |
1 |
| Ishikawajima-Harima Heavy Industries Co., Ltd. | 41 |
1 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 58 |
1 |
| Ningxia Orient Tantalum Industry Co., Ltd. | 51 |
1 |
| Other owners | 9 |