- All sections
- C - Chemistry; metallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metals; apparatus therefor
- C25C 7/06 - Operating or servicing
Patent holdings for IPC class C25C 7/06
Total number of patents in this class: 378
10-year publication summary
|
26
|
40
|
42
|
32
|
24
|
38
|
31
|
39
|
33
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Elysis Limited Partnership | 62 |
18 |
| Industrie de Nora S.p.A. | 274 |
16 |
| Outotec (Finland) Oy | 491 |
12 |
| Metso Outotec Finland Oy | 795 |
11 |
| JX Nippon Mining & Metals Corporation | 1576 |
9 |
| Rio Tinto ALCAN International Limited | 214 |
9 |
| Alcoa USA Corp. | 187 |
8 |
| Outotec Oyj | 318 |
8 |
| Pultrusion Technique Inc. | 56 |
8 |
| Toho Titanium Co., Ltd. | 249 |
6 |
| KSM Technology Co., Ltd. | 9 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
5 |
| Metso Minerals Oy | 152 |
5 |
| Norsk Hydro ASA | 288 |
5 |
| Battelle Energy Alliance, LLC | 569 |
4 |
| Purdue Research Foundation | 3277 |
4 |
| Aqua Metals, Inc. | 39 |
4 |
| E.c.l. | 30 |
4 |
| Faraday Technology, Inc. | 31 |
4 |
| GE-Hitachi Nuclear Energy Americas LLC | 406 |
4 |
| Other owners | 228 |