- All sections
- C - Chemistry; metallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metals; apparatus therefor
- C25C 7/00 - Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
Patent holdings for IPC class C25C 7/00
Total number of patents in this class: 522
10-year publication summary
|
36
|
79
|
49
|
40
|
33
|
42
|
19
|
37
|
17
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pultrusion Technique Inc. | 56 |
18 |
| Industrie de Nora S.p.A. | 274 |
17 |
| Metalysis Limited | 49 |
16 |
| Elysis Limited Partnership | 62 |
14 |
| Alcoa USA Corp. | 187 |
11 |
| GE-Hitachi Nuclear Energy Americas LLC | 406 |
11 |
| New Tech Copper SpA | 20 |
9 |
| Metso Outotec Finland Oy | 795 |
9 |
| Aqua Metals, Inc. | 39 |
8 |
| Freeport Minerals Corporation | 80 |
8 |
| Outotec (Finland) Oy | 491 |
7 |
| Kinotech Solar Energy Corporation | 13 |
6 |
| Metso Minerals Oy | 152 |
6 |
| Norsk Hydro ASA | 288 |
6 |
| Rio Tinto ALCAN International Limited | 214 |
6 |
| Protech SpA | 8 |
6 |
| Edac Labs, Inc. | 14 |
6 |
| Toho Titanium Co., Ltd. | 249 |
5 |
| Enlighten Innovations Inc. | 107 |
5 |
| Transducto S.A. | 5 |
5 |
| Other owners | 343 |