- Sections
- C - Chimiemétallurgie
- C22B - Production ou affinage des métauxtraitement préliminaire des matières premières
- C22B 34/22 - Obtention du vanadium
Détention brevets de la classe C22B 34/22
Brevets de cette classe: 228
Historique des publications depuis 10 ans
|
11
|
18
|
23
|
7
|
15
|
19
|
18
|
27
|
14
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Avanti Materials Ltd | 10 |
10 |
| Chevron U.S.A. Inc. | 3939 |
9 |
| Coogee Titanium Pty Ltd | 12 |
9 |
| Korea Institute of Geoscience and Mineral Resources | 238 |
7 |
| Tivan Limited | 10 |
7 |
| Institute of Process Engineering, Chinese Academy of Sciences | 293 |
6 |
| ENI S.p.A. | 1257 |
5 |
| Northeastern University | 537 |
4 |
| Pangang Group Research Institute Co., Ltd. | 22 |
4 |
| First Vanadium Corp. | 5 |
4 |
| Hebei Zhongke Tongchuang Vanadium &titanium Technology Co., Ltd. | 4 |
4 |
| le System Co., Ltd. | 13 |
3 |
| Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 71 |
3 |
| TNG Limited | 5 |
3 |
| Worcester Polytechnic Institute | 512 |
3 |
| Nihon Kanki Industry Co., Ltd. | 6 |
3 |
| SMS Group Process Technologies GmbH | 3 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3075 |
3 |
| Central America Nickel Inc. | 10 |
3 |
| Cinis Fertilizer AB | 14 |
3 |
| Autres propriétaires | 132 |