- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 15/00 - Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
Patent holdings for IPC class B21B 15/00
Total number of patents in this class: 298
10-year publication summary
|
22
|
14
|
18
|
22
|
16
|
22
|
18
|
19
|
27
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7054 |
33 |
| Primetals Technologies Austria GmbH | 550 |
19 |
| SMS Group GmbH | 1141 |
16 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
14 |
| ArcelorMittal | 2396 |
13 |
| POSCO | 2175 |
11 |
| Novelis Inc. | 769 |
10 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 55 |
8 |
| Primetals Technologies Germany GmbH | 208 |
8 |
| POSCO Co., Ltd. | 1592 |
6 |
| Muhr und Bender KG | 88 |
4 |
| Shape Corp. | 178 |
4 |
| CISDI Research & Development Co., Ltd. | 31 |
4 |
| Dai Nippon Printing Co., Ltd. | 4146 |
3 |
| Nippon Steel Corporation | 6482 |
3 |
| Primetals Technologies Japan, Ltd. | 173 |
3 |
| Primetals Technologies USA LLC | 119 |
3 |
| Siemens Industry, Inc. | 1478 |
2 |
| ATI Properties LLC | 203 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 990 |
2 |
| Other owners | 130 |