- 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: 211
10-year publication summary
|
2
|
0
|
0
|
2
|
5
|
16
|
44
|
59
|
63
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 41823 |
13 |
| Schaeffler Technologies AG & Co. KG | 9405 |
11 |
| Siemens Energy Global GmbH & Co. KG | 2843 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10693 |
8 |
| Topsoe A/S | 829 |
8 |
| Twelve Benefit Corporation | 140 |
7 |
| ThyssenKrupp Nucera AG & Co. KGaA | 41 |
7 |
| ABB Schweiz AG | 6635 |
6 |
| Ohmium International, Inc. | 117 |
6 |
| John Cockerill Hydrogen Belgium SA | 31 |
5 |
| Hoeller Electrolyzer GmbH | 39 |
4 |
| Verdagy, Inc. | 56 |
4 |
| Asahi Kasei Kabushiki Kaisha | 2563 |
3 |
| Hitachi Zosen iNova AG | 78 |
3 |
| H2pro Ltd | 14 |
3 |
| EvolOH, Inc. | 12 |
3 |
| Stiesdal Hydrogen A/S | 10 |
3 |
| BASF SE | 20421 |
2 |
| Siemens AG | 24568 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8545 |
2 |
| Other owners | 102 |