- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 38/00 - Methods or devices for measuring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
Patent holdings for IPC class B21B 38/00
Total number of patents in this class: 272
10-year publication summary
|
18
|
16
|
16
|
18
|
23
|
24
|
33
|
26
|
24
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6852 |
37 |
| SMS Group GmbH | 1127 |
25 |
| Nippon Steel Corporation | 6255 |
21 |
| Primetals Technologies Japan, Ltd. | 165 |
15 |
| Novelis Inc. | 751 |
12 |
| POSCO | 2187 |
12 |
| Primetals Technologies Germany GmbH | 203 |
12 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 995 |
12 |
| Primetals Technologies Austria GmbH | 534 |
11 |
| Hyundai Steel Company | 427 |
8 |
| TMEIC Corporation | 777 |
7 |
| SMS Siemag Aktiengesellschaft | 505 |
6 |
| Cockerill Maintenance & Ingenierie SA | 80 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
5 |
| Siemens AG | 24477 |
4 |
| ABB Schweiz AG | 6976 |
4 |
| Fives Stein | 105 |
3 |
| Primetals Technologies, Limited | 32 |
3 |
| VDEh-Betriebsforschungsinstitut GmbH | 20 |
3 |
| Sapotech Oy | 3 |
3 |
| Other owners | 64 |