- 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: 783
10-year publication summary
|
66
|
43
|
51
|
40
|
37
|
35
|
45
|
52
|
65
|
91
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Industrie de Nora S.p.A. | 274 |
44 |
| Alcoa USA Corp. | 202 |
17 |
| Pultrusion Technique Inc. | 56 |
16 |
| Elysis Limited Partnership | 48 |
14 |
| Boston Electrometallurgical Corporation | 21 |
13 |
| Mangrove Water Technologies Ltd. | 34 |
12 |
| GE-Hitachi Nuclear Energy Americas LLC | 436 |
11 |
| ArcelorMittal | 2414 |
10 |
| Outotec (Finland) Oy | 460 |
10 |
| Metalysis Limited | 46 |
9 |
| Verdeen Chemicals, Inc. | 22 |
9 |
| Metso Finland Oy | 635 |
9 |
| EPCM Services Ltd. | 11 |
8 |
| Freeport-McMoRan Corporation | 20 |
8 |
| Lyten, Inc. | 331 |
8 |
| Toho Titanium Co., Ltd. | 255 |
8 |
| Battelle Energy Alliance, LLC | 596 |
7 |
| Aqua Metals, Inc. | 39 |
7 |
| Central South University | 461 |
7 |
| de Nora Permelec Ltd | 161 |
7 |
| Other owners | 549 |