- All sections
- C - Chemistrymetallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metalsapparatus therefor
- C25C 1/20 - Electrolytic production, recovery or refining of metals by electrolysis of solutions of noble metals
Patent holdings for IPC class C25C 1/20
Total number of patents in this class: 169
10-year publication summary
|
17
|
17
|
8
|
13
|
7
|
14
|
23
|
13
|
18
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Clene Nanomedicine, Inc. | 34 |
6 |
| Excir Works Corp. | 31 |
6 |
| Institute of Process Engineering, Chinese Academy of Sciences | 328 |
5 |
| FLSmidth A/S | 787 |
5 |
| Purdue Research Foundation | 3913 |
4 |
| Greengold Engineering Pty Ltd | 5 |
4 |
| Novellus Systems, Inc. | 452 |
3 |
| Battelle Energy Alliance, LLC | 585 |
3 |
| Bromine Compounds Ltd. | 186 |
3 |
| Greene Lyon Group, Inc. | 19 |
3 |
| Korea Institute of Geoscience and Mineral Resources | 254 |
3 |
| Kunming University of Science and Technology | 244 |
3 |
| MAGNETO special anodes B.V. | 28 |
3 |
| Outokumpu Oyj | 265 |
3 |
| Universidad Autonoma Metropolitana | 20 |
3 |
| Wuhan University of Technology | 214 |
3 |
| Orca Holdings, LLC | 10 |
3 |
| Mitsui Kinzoku Company, Limited | 432 |
3 |
| BASF SE | 21303 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2856 |
2 |
| Other owners | 99 |