- 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: 838
10-year publication summary
|
48
|
61
|
47
|
45
|
44
|
50
|
63
|
75
|
96
|
57
|
| 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. | 205 |
20 |
| Pultrusion Technique Inc. | 61 |
17 |
| ArcelorMittal | 2761 |
14 |
| Elysis Limited Partnership | 55 |
14 |
| Boston Electrometallurgical Corporation | 22 |
13 |
| Mangrove Water Technologies Ltd. | 38 |
12 |
| GE-Hitachi Nuclear Energy Americas LLC | 455 |
11 |
| Outotec (Finland) Oy | 455 |
10 |
| Verdeen Chemicals, Inc. | 22 |
10 |
| Metalysis Limited | 44 |
9 |
| Metso Finland Oy | 699 |
9 |
| Central South University | 502 |
8 |
| EPCM Services Ltd. | 11 |
8 |
| Freeport-McMoRan Corporation | 20 |
8 |
| Lyten, Inc. | 365 |
8 |
| Toho Titanium Co., Ltd. | 270 |
8 |
| Electrasteel, Inc. | 49 |
8 |
| Battelle Energy Alliance, LLC | 586 |
7 |
| de Nora Permelec Ltd | 166 |
7 |
| Other owners | 592 |