- 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: 326
10-year publication summary
|
3
|
5
|
15
|
39
|
40
|
42
|
37
|
48
|
48
|
39
|
| 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 | 10922 |
18 |
| Toshiba Corporation | 12317 |
14 |
| Siemens Energy Global GmbH & Co. KG | 2937 |
14 |
| Key DH IP Inc./ip Strategiques Dh, Inc. | 16 |
13 |
| Robert Bosch GmbH | 42614 |
8 |
| Hoeller Electrolyzer GmbH | 37 |
8 |
| Alfa Laval Corporate AB | 1310 |
5 |
| Ceres Intellectual Property Company Limited | 262 |
5 |
| Industrie de Nora S.p.A. | 277 |
5 |
| ThyssenKrupp Nucera AG & Co. KGaA | 56 |
5 |
| John Cockerill Hydrogen Belgium SA | 41 |
5 |
| Hamilton Sundstrand Corporation | 4844 |
4 |
| Tokuyama Corporation | 1384 |
4 |
| Versa Power Systems, Ltd. | 35 |
4 |
| z Intellectual Property Holding Company, LLC | 46 |
4 |
| Electric Hydrogen Co. | 147 |
4 |
| Edac Labs, Inc. | 16 |
4 |
| 3m Innovative Properties Company | 17858 |
3 |
| Agfa-Gevaert | 287 |
3 |
| ArcelorMittal | 2271 |
3 |
| Other owners | 193 |