- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 1/12 - Electrolytic production of inorganic compounds or non-metals of hydrogen or oxygen by electrolysis of water in pressure cells
Patent holdings for IPC class C25B 1/12
Total number of patents in this class: 135
10-year publication summary
|
20
|
18
|
14
|
24
|
14
|
4
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 25335 |
21 |
| Nuvera Fuel Cells, LLC | 108 |
11 |
| Siemens AG | 24437 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10931 |
9 |
| Nuvera Fuel Cells, Inc. | 44 |
4 |
| Electricite de France | 731 |
3 |
| HyET Holding B.V. | 20 |
3 |
| Hytech Power, LLC | 17 |
3 |
| Aquahydrex Pty Ltd | 16 |
2 |
| Carbon-clean Technologies AG | 2 |
2 |
| Encite LLC | 38 |
2 |
| Hamburg Innovation GmbH | 22 |
2 |
| Helmut Schmidt Universitat, Universitat der Bundeswehr Hamburg | 30 |
2 |
| Hydrogenics Corporation | 193 |
2 |
| Linde Aktiengesellschaft | 1498 |
2 |
| Sunfire GmbH | 55 |
2 |
| Tokuyama Corporation | 1397 |
2 |
| Vito NV | 301 |
2 |
| GreenHydrogen.dk ApS | 2 |
2 |
| H2 Engineering d.o.o. | 3 |
2 |
| Other owners | 48 |