- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 9/21 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms two or more diaphragms
Patent holdings for IPC class C25B 9/21
Total number of patents in this class: 93
10-year publication summary
|
1
|
0
|
0
|
0
|
0
|
1
|
7
|
24
|
37
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mangrove Water Technologies Ltd. | 26 |
9 |
| Evonik Functional Solutions GmbH | 14 |
8 |
| Evonik Operations GmbH | 3879 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
3 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2362 |
3 |
| Danfoss A/S | 1259 |
3 |
| Mitsubishi Power, Ltd. | 1680 |
3 |
| W. L. Gore & Associates, Inc. | 2600 |
2 |
| de Nora Permelec Ltd | 152 |
2 |
| DENTSPLY SIRONA Inc. | 1860 |
2 |
| King Abdullah University of Science and Technology | 1703 |
2 |
| Technion Research and Development Foundation Ltd. | 337 |
2 |
| Techwin Co., Ltd. | 57 |
2 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
2 |
| H2pro Ltd | 13 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| The Regents of the University of California | 18943 |
1 |
| Toshiba Corporation | 12017 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Other owners | 37 |