- All sections
- C - Chemistrymetallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metalsapparatus therefor
- C25C 3/04 - Electrolytic production, recovery or refining of metals by electrolysis of melts of magnesium
Patent holdings for IPC class C25C 3/04
Total number of patents in this class: 53
10-year publication summary
|
11
|
4
|
3
|
2
|
3
|
5
|
1
|
5
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alliance Magnesium | 16 |
6 |
| Toho Titanium Co., Ltd. | 250 |
6 |
| Phinix, LLC | 11 |
3 |
| Qinghai Normoon Technology Co., Ltd | 3 |
3 |
| Siemens AG | 24563 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8616 |
2 |
| Metalysis Limited | 47 |
2 |
| Worcester Polytechnic Institute | 506 |
2 |
| Alliance Magnesium Inc. | 5 |
2 |
| Mitsubishi Power, Ltd. | 1757 |
2 |
| ALCAN International Limited | 33 |
1 |
| Alcoa Inc. | 295 |
1 |
| Alcoa USA Corp. | 198 |
1 |
| Boston University | 14 |
1 |
| Csir | 182 |
1 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 786 |
1 |
| Inpex Corporation | 162 |
1 |
| Institute of Process Engineering, Chinese Academy of Sciences | 291 |
1 |
| Korea Institute of Geoscience and Mineral Resources | 236 |
1 |
| M Hikari & Energy Laboratory Co., Ltd. | 9 |
1 |
| Other owners | 13 |