- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 9/07 - Common duct cells
Patent holdings for IPC class C25B 9/07
Total number of patents in this class: 43
10-year publication summary
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0
|
0
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1
|
1
|
2
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6
|
7
|
7
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5
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hytech Power, LLC | 16 |
4 |
| Topsoe A/S | 993 |
4 |
| Honda Motor Co., Ltd. | 25846 |
2 |
| Hoeller Electrolyzer GmbH | 32 |
2 |
| H2pro Ltd | 17 |
2 |
| Fairbrics | 13 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9010 |
1 |
| Centre National de La Recherche Scientifique | 10846 |
1 |
| Robert Bosch GmbH | 43500 |
1 |
| Kyocera Corporation | 14233 |
1 |
| ASML Netherlands B.V. | 7710 |
1 |
| Empire Hydrogen Energy Systems Inc. | 5 |
1 |
| Ergosup | 12 |
1 |
| Indian Oil Corporation Limited | 336 |
1 |
| Itrec B.V. | 502 |
1 |
| Technische Universiteit Eindhoven | 381 |
1 |
| Universite de Rennes 1 | 465 |
1 |
| University of Newcastle upon Tyne | 247 |
1 |
| X Development LLC | 1366 |
1 |
| Arianegroup SAS | 531 |
1 |
| Other owners | 13 |