- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 9/75 - Assemblies comprising two or more cells of the filter-press type having bipolar electrodes
Patent holdings for IPC class C25B 9/75
Total number of patents in this class: 355
10-year publication summary
|
0
|
0
|
2
|
4
|
13
|
35
|
50
|
63
|
78
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43587 |
23 |
| Siemens Energy Global GmbH & Co. KG | 3249 |
16 |
| ThyssenKrupp Nucera AG & Co. KGaA | 83 |
15 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11010 |
14 |
| Schaeffler Technologies AG & Co. KG | 10707 |
12 |
| Twelve Benefit Corporation | 158 |
9 |
| John Cockerill Hydrogen Belgium SA | 46 |
9 |
| Topsoe A/S | 1001 |
8 |
| Schlumberger Technology Corporation | 11483 |
6 |
| Schlumberger Canada Limited | 7553 |
6 |
| Schlumberger Technology B.v. | 5268 |
6 |
| ABB Schweiz AG | 7441 |
6 |
| Services Petroliers Schlumberger | 5977 |
6 |
| Ohmium International, Inc. | 130 |
6 |
| Stiesdal Hydrogen A/S | 19 |
6 |
| Asahi Kasei Kabushiki Kaisha | 2779 |
5 |
| NV Bekaert SA | 728 |
5 |
| John Cockerill Hydrogen Belgium | 13 |
5 |
| Industrie de Nora S.p.A. | 277 |
4 |
| Reinz-Dichtungs-GmbH | 281 |
4 |
| Other owners | 184 |