- All sections
- C - Chemistrymetallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metalsapparatus therefor
- C25C 3/00 - Electrolytic production, recovery or refining of metals by electrolysis of melts
Patent holdings for IPC class C25C 3/00
Total number of patents in this class: 136
10-year publication summary
|
7
|
8
|
8
|
8
|
14
|
5
|
7
|
14
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metalysis Limited | 45 |
12 |
| Massachusetts Institute of Technology | 10251 |
8 |
| Phoenix Tailings, Inc. | 40 |
6 |
| Battelle Energy Alliance, LLC | 585 |
3 |
| Alcoa USA Corp. | 201 |
3 |
| Metal Oxygen Separation Technologies, Inc. | 4 |
3 |
| Oqab Dietrich Induction Inc. | 73 |
3 |
| Niocorp Advanced Metals and Alloys, LLC | 4 |
3 |
| The Governing Council of The University of Toronto, | 1554 |
2 |
| JX Nippon Mining & Metals Corporation | 1461 |
2 |
| Norsk Hydro ASA | 247 |
2 |
| Phinix, LLC | 11 |
2 |
| Research Institute of Industrial Science & Technology | 568 |
2 |
| Tenova Goodfellow Inc. | 41 |
2 |
| Verdeen Chemicals, Inc. | 22 |
2 |
| Elysis Limited Partnership | 52 |
2 |
| Xiangyun Tenglong Investment Co., Ltd. | 2 |
2 |
| Clean Resources Pte. Ltd | 7 |
2 |
| RD Titan Group, TOV | 6 |
2 |
| Sumitomo Chemical Company, Limited | 9016 |
1 |
| Other owners | 72 |