- All sections
- C - Chemistry; metallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metals; apparatus therefor
- C25C 7/02 - Electrodes; Connections thereof
Patent holdings for IPC class C25C 7/02
Total number of patents in this class: 649
10-year publication summary
|
35
|
76
|
48
|
61
|
47
|
45
|
44
|
49
|
54
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Industrie de Nora S.p.A. | 274 |
46 |
| Pultrusion Technique Inc. | 56 |
17 |
| Elysis Limited Partnership | 62 |
16 |
| Alcoa USA Corp. | 187 |
12 |
| GE-Hitachi Nuclear Energy Americas LLC | 406 |
11 |
| Outotec (Finland) Oy | 491 |
10 |
| Toho Titanium Co., Ltd. | 249 |
10 |
| Metso Outotec Finland Oy | 795 |
10 |
| Metalysis Limited | 49 |
9 |
| Mangrove Water Technologies Ltd. | 26 |
9 |
| Aqua Metals, Inc. | 39 |
8 |
| Freeport-McMoRan Corporation | 20 |
8 |
| Boston Electrometallurgical Corporation | 9 |
8 |
| EPCM Services Ltd. | 10 |
7 |
| Outotec Oyj | 318 |
7 |
| Battelle Energy Alliance, LLC | 569 |
6 |
| de Nora Permelec Ltd | 152 |
6 |
| Glencore Technology Pty Ltd | 46 |
6 |
| New Tech Copper SpA | 20 |
6 |
| Permascand AB | 38 |
6 |
| Other owners | 431 |