- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 9/70 - Assemblies comprising two or more cells
Patent holdings for IPC class C25B 9/70
Total number of patents in this class: 350
10-year publication summary
|
3
|
1
|
4
|
3
|
26
|
21
|
38
|
63
|
139
|
43
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bloom Energy Corporation | 590 |
18 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
15 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
9 |
| Verdagy, Inc. | 40 |
8 |
| Topsoe A/S | 732 |
7 |
| Hydrogenics Corporation | 204 |
6 |
| Forschungszentrum Julich GmbH | 604 |
5 |
| Nemaska Lithium Inc. | 69 |
5 |
| Ohmium International, Inc. | 105 |
5 |
| H2i GreenHydrogen GmbH | 10 |
5 |
| Hysata Pty Ltd | 13 |
5 |
| Honda Motor Co., Ltd. | 24537 |
4 |
| Analog Devices, Inc. | 3475 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
4 |
| iGas energy GmbH | 16 |
4 |
| H2pro Ltd | 13 |
4 |
| Ulyzer Holding AG | 4 |
4 |
| Toshiba Corporation | 12017 |
3 |
| Robert Bosch GmbH | 40953 |
3 |
| Other owners | 228 |