- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 38/02 - Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
Patent holdings for IPC class B21B 38/02
Total number of patents in this class: 111
10-year publication summary
|
4
|
7
|
11
|
8
|
5
|
8
|
5
|
10
|
14
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 750 |
13 |
| Primetals Technologies Germany GmbH | 203 |
11 |
| JFE Steel Corporation | 6840 |
7 |
| Nippon Steel Corporation | 6238 |
6 |
| SMS Group GmbH | 1125 |
6 |
| VDEh-Betriebsforschungsinstitut GmbH | 20 |
5 |
| Primetals Technologies Austria GmbH | 532 |
4 |
| Honeywell International Inc. | 13545 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
3 |
| ABB Schweiz AG | 6969 |
3 |
| ArcelorMittal | 2285 |
3 |
| Primetals Technologies Japan, Ltd. | 165 |
3 |
| Kistler Holding AG | 330 |
2 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 55 |
2 |
| Muhr und Bender KG | 88 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| POSCO | 2186 |
2 |
| Siemens AG | 24484 |
1 |
| Dai Nippon Printing Co., Ltd. | 4082 |
1 |
| Tsinghua University | 5922 |
1 |
| Other owners | 31 |