- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 38/04 - Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
Patent holdings for IPC class B21B 38/04
Total number of patents in this class: 96
10-year publication summary
|
6
|
9
|
4
|
4
|
8
|
13
|
9
|
7
|
12
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6892 |
7 |
| SMS Group GmbH | 1129 |
6 |
| Danieli Automation SpA | 121 |
5 |
| Muhr und Bender KG | 86 |
5 |
| Primetals Technologies Austria GmbH | 539 |
5 |
| Primetals Technologies Germany GmbH | 204 |
5 |
| Primetals Technologies Japan, Ltd. | 166 |
5 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 989 |
4 |
| Novelis Inc. | 754 |
3 |
| POSCO | 2184 |
3 |
| Zumbach Electronic AG | 31 |
3 |
| Toppan Holdings Inc. | 600 |
3 |
| Siemens AG | 24421 |
2 |
| Honeywell International Inc. | 13554 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
2 |
| ArcelorMittal | 2317 |
2 |
| Hyundai Steel Company | 431 |
2 |
| Micro-Epsilon Messtechnik GmbH & Co. KG | 118 |
2 |
| Samsung SDI Co., Ltd. | 8494 |
1 |
| Siemens VAI Metals Technologies SAS | 63 |
1 |
| Other owners | 28 |