- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 29/00 - Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls
Patent holdings for IPC class B21B 29/00
Total number of patents in this class: 75
10-year publication summary
|
0
|
3
|
5
|
3
|
8
|
5
|
3
|
4
|
1
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6911 |
9 |
| SMS Group GmbH | 1203 |
8 |
| SMS Siemag Aktiengesellschaft | 486 |
8 |
| Primetals Technologies Japan, Ltd. | 182 |
5 |
| Danieli & C. Officine Meccaniche S.p.A. | 721 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
3 |
| Novelis Inc. | 780 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9152 |
2 |
| Fives DMS | 50 |
2 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 49 |
2 |
| Primetals Technologies Germany GmbH | 221 |
2 |
| Blue Solutions Canada Inc. | 54 |
2 |
| Control Cutter AS | 17 |
2 |
| Clecim S.A.S. | 42 |
2 |
| Siemens VAI Metals Technologies SAS | 60 |
1 |
| JTEKT Corporation | 2599 |
1 |
| Hitachi Power Solutions Co., Ltd. | 108 |
1 |
| JP Steel Plantech Co. | 81 |
1 |
| Kyodo Yushi Co., Ltd. | 250 |
1 |
| Metso Paper Sweden Aktiebolag | 44 |
1 |
| Other owners | 15 |