- Sections
- C - Chimiemétallurgie
- C22B - Production ou affinage des métauxtraitement préliminaire des matières premières
- C22B 4/04 - Métaux lourds
Détention brevets de la classe C22B 4/04
Brevets de cette classe: 41
Historique des publications depuis 10 ans
|
1
|
2
|
1
|
1
|
2
|
1
|
7
|
7
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| William Marsh Rice University | 1073 |
3 |
| Battelle Memorial Institute | 2605 |
2 |
| ATI Properties LLC | 200 |
2 |
| Technological Resources Pty. Limited | 442 |
2 |
| China ENFI Engineering Corp. | 113 |
2 |
| Phoenix Tailings, Inc. | 40 |
2 |
| K.K. Sun Metalon | 29 |
2 |
| Neoctech Corp. | 2 |
2 |
| The Trustees of Columbia University in the City of New York | 3645 |
1 |
| Gem Co., Ltd. | 358 |
1 |
| Iowa State University Research Foundation, Inc. | 831 |
1 |
| North Carolina State University | 1594 |
1 |
| Northeastern University | 574 |
1 |
| Oss Management Services (Pty) Limited | 3 |
1 |
| Pukyong National University Industry-University Cooperation Foundation | 376 |
1 |
| SK Innovation Co., Ltd. | 1486 |
1 |
| The South African Nuclear Energy Corporation Limited | 27 |
1 |
| ThyssenKrupp Steel Europe AG | 993 |
1 |
| Vale Inco Limited | 10 |
1 |
| Worcester Polytechnic Institute | 542 |
1 |
| Autres propriétaires | 12 |