- All sections
- C - Chemistrymetallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metalsapparatus therefor
- C25C 7/02 - ElectrodesConnections thereof
Patent holdings for IPC class C25C 7/02
Total number of patents in this class: 811
10-year publication summary
|
43
|
51
|
40
|
37
|
35
|
45
|
52
|
65
|
91
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Industrie de Nora S.p.A. | 280 |
45 |
| Alcoa USA Corp. | 201 |
17 |
| Pultrusion Technique Inc. | 59 |
17 |
| Elysis Limited Partnership | 50 |
14 |
| Boston Electrometallurgical Corporation | 22 |
13 |
| ArcelorMittal | 2522 |
12 |
| Mangrove Water Technologies Ltd. | 36 |
12 |
| GE-Hitachi Nuclear Energy Americas LLC | 440 |
11 |
| Outotec (Finland) Oy | 458 |
10 |
| Metalysis Limited | 46 |
9 |
| Verdeen Chemicals, Inc. | 22 |
9 |
| Metso Finland Oy | 672 |
9 |
| EPCM Services Ltd. | 11 |
8 |
| Freeport-McMoRan Corporation | 20 |
8 |
| Lyten, Inc. | 337 |
8 |
| Toho Titanium Co., Ltd. | 260 |
8 |
| Battelle Energy Alliance, LLC | 600 |
7 |
| Aqua Metals, Inc. | 36 |
7 |
| Central South University | 468 |
7 |
| de Nora Permelec Ltd | 163 |
7 |
| Other owners | 573 |