- Sections
- B - Techniques industrielles; transports
- B21B - Laminage des métaux
- B21B 1/085 - Profils de rail
Détention brevets de la classe B21B 1/085
Brevets de cette classe: 43
Historique des publications depuis 10 ans
2
|
5
|
2
|
1
|
7
|
4
|
1
|
1
|
7
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
Proprétaire |
Total
|
Cette classe
|
---|---|---|
JFE Steel Corporation | 6067 |
13 |
ArcelorMittal | 1887 |
5 |
Nippon Steel Corporation | 5649 |
4 |
Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 45 |
3 |
Pangang Group Research Institute Co., Ltd. | 21 |
2 |
Tata Steel UK Limited | 162 |
2 |
W. Silver Inc. | 7 |
2 |
Hilti Aktiengesellschaft | 3227 |
1 |
Cisdi Engineering Co., Ltd. | 86 |
1 |
Dalian University of Technology | 1387 |
1 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
1 |
Pangang Group Co., Ltd. | 17 |
1 |
Pangang Group Panzhihua Steel & Vanadium Co., Ltd. | 7 |
1 |
Primetals Technologies Austria GmbH | 479 |
1 |
Voestalpine Schienen GmbH | 16 |
1 |
Wuhan Iron and Steel Company Limited | 23 |
1 |
Laiwu Steel Group, Ltd. | 3 |
1 |
Track Tec GmbH | 2 |
1 |
Joint Stock Company "evraz Consolidated West Siberian Metallurgical Plant" | 1 |
1 |
Autres propriétaires | 0 |