- All sections
- C - Chemistrymetallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metalsapparatus therefor
- C25C 3/06 - Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
Patent holdings for IPC class C25C 3/06
Total number of patents in this class: 257
10-year publication summary
|
12
|
28
|
17
|
19
|
16
|
21
|
7
|
13
|
12
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dubai Aluminium PJSC | 62 |
35 |
| Alcoa USA Corp. | 198 |
18 |
| Rio Tinto ALCAN International Limited | 216 |
18 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 132 |
13 |
| Norsk Hydro ASA | 260 |
11 |
| BASF SE | 20892 |
8 |
| E.c.l. | 23 |
7 |
| Fives Ecl. | 23 |
5 |
| Aluminum Corporation of China Limited | 35 |
4 |
| Newsouth Innovations Pty Limited | 591 |
4 |
| Shenzhen Sunxing Light Alloys Materials Co., Ltd. | 51 |
4 |
| ThyssenKrupp AG | 3276 |
4 |
| United Company RUSAL Engineering and Technology Centre LLC | 21 |
4 |
| Elysis Limited Partnership | 47 |
4 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RU | 19 |
4 |
| Aluminium Smelter Developments Pty Ltd | 6 |
3 |
| Auckland UniServices Limited | 496 |
3 |
| KCL Enterprises, LLC | 3 |
3 |
| Keystone Metals Recovery Inc. | 4 |
3 |
| ThyssenKrupp Uhde GmbH | 331 |
3 |
| Other owners | 99 |