- 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: 736
10-year publication summary
|
76
|
48
|
61
|
47
|
45
|
44
|
50
|
61
|
69
|
46
|
| 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. | 277 |
44 |
| Alcoa USA Corp. | 198 |
16 |
| Pultrusion Technique Inc. | 58 |
16 |
| Elysis Limited Partnership | 47 |
14 |
| GE-Hitachi Nuclear Energy Americas LLC | 417 |
11 |
| Mangrove Water Technologies Ltd. | 31 |
11 |
| ArcelorMittal | 2254 |
10 |
| Outotec (Finland) Oy | 480 |
10 |
| Metso Outotec Finland Oy | 523 |
10 |
| Metalysis Limited | 47 |
9 |
| Freeport-McMoRan Corporation | 20 |
8 |
| Toho Titanium Co., Ltd. | 252 |
8 |
| Verdeen Chemicals, Inc. | 20 |
8 |
| Boston Electrometallurgical Corporation | 11 |
8 |
| Aqua Metals, Inc. | 37 |
7 |
| Central South University | 430 |
7 |
| de Nora Permelec Ltd | 158 |
7 |
| EPCM Services Ltd. | 10 |
7 |
| Lyten, Inc. | 310 |
7 |
| Outotec Oyj | 279 |
7 |
| Other owners | 511 |