- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 9/73 - Assemblies comprising two or more cells of the filter-press type
Patent holdings for IPC class C25B 9/73
Total number of patents in this class: 343
10-year publication summary
|
2
|
4
|
11
|
36
|
40
|
39
|
27
|
35
|
47
|
52
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10949 |
18 |
| Toshiba Corporation | 12500 |
14 |
| Siemens Energy Global GmbH & Co. KG | 3026 |
14 |
| Key DH IP Inc./ip Strategiques Dh, Inc. | 16 |
13 |
| Robert Bosch GmbH | 42815 |
8 |
| Hoeller Electrolyzer GmbH | 36 |
8 |
| Alfa Laval Corporate AB | 1321 |
5 |
| Ceres Intellectual Property Company Limited | 269 |
5 |
| Industrie de Nora S.p.A. | 274 |
5 |
| ThyssenKrupp Nucera AG & Co. KGaA | 60 |
5 |
| John Cockerill Hydrogen Belgium SA | 43 |
5 |
| Hamilton Sundstrand Corporation | 4923 |
4 |
| Tokuyama Corporation | 1415 |
4 |
| Versa Power Systems, Ltd. | 35 |
4 |
| z Intellectual Property Holding Company, LLC | 45 |
4 |
| Green Hydrogen Systems A/S | 27 |
4 |
| Electric Hydrogen Co. | 163 |
4 |
| Edac Labs, Inc. | 16 |
4 |
| 3m Innovative Properties Company | 17771 |
3 |
| Agfa-Gevaert | 287 |
3 |
| Other owners | 209 |