- 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: 436
10-year publication summary
|
5
|
16
|
39
|
40
|
42
|
37
|
47
|
55
|
80
|
54
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
23 |
| Siemens Energy Global GmbH & Co. KG | 3470 |
20 |
| Toshiba Corporation | 12726 |
14 |
| Key DH IP Inc./ip Strategiques Dh, Inc. | 16 |
13 |
| Robert Bosch GmbH | 44327 |
11 |
| ThyssenKrupp Nucera AG & Co. KGaA | 93 |
10 |
| Bloom Energy Corporation | 702 |
7 |
| Ceres Intellectual Property Company Limited | 254 |
6 |
| Hoeller Electrolyzer GmbH | 30 |
6 |
| Hysata Pty Ltd | 46 |
6 |
| Hamilton Sundstrand Corporation | 5011 |
5 |
| Schaeffler Technologies AG & Co. KG | 11182 |
5 |
| Alfa Laval Corporate AB | 1343 |
5 |
| Industrie de Nora S.p.A. | 280 |
5 |
| Genvia | 58 |
5 |
| John Cockerill Hydrogen Belgium SA | 49 |
5 |
| Quest One GmbH | 23 |
5 |
| Schlumberger Technology Corporation | 11940 |
4 |
| Schlumberger Canada Limited | 7610 |
4 |
| Honda Motor Co., Ltd. | 26309 |
4 |
| Other owners | 273 |