- 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: 417
10-year publication summary
|
0
|
0
|
2
|
5
|
16
|
45
|
66
|
79
|
92
|
78
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44327 |
28 |
| Schaeffler Technologies AG & Co. KG | 11182 |
21 |
| Siemens Energy Global GmbH & Co. KG | 3470 |
19 |
| ThyssenKrupp Nucera AG & Co. KGaA | 93 |
17 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
15 |
| Topsoe A/S | 1072 |
10 |
| John Cockerill Hydrogen Belgium SA | 49 |
10 |
| Twelve Benefit Corporation | 151 |
9 |
| Schlumberger Technology Corporation | 11940 |
7 |
| Schlumberger Canada Limited | 7610 |
7 |
| Schlumberger Technology B.v. | 5287 |
7 |
| LG Chem, Ltd. | 17970 |
7 |
| Services Petroliers Schlumberger | 6022 |
7 |
| ABB Schweiz AG | 7724 |
6 |
| NV Bekaert SA | 725 |
6 |
| Ohmium International, Inc. | 131 |
6 |
| Stiesdal Hydrogen A/S | 19 |
6 |
| John Cockerill Hydrogen Belgium | 19 |
6 |
| Asahi Kasei Kabushiki Kaisha | 2860 |
5 |
| Industrie de Nora S.p.A. | 280 |
5 |
| Other owners | 213 |