- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 1/042 - Hydrogen or oxygen by electrolysis of water by electrolysis of steam
Patent holdings for IPC class C25B 1/042
Total number of patents in this class: 196
10-year publication summary
|
0
|
1
|
3
|
1
|
5
|
2
|
14
|
46
|
92
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topsoe A/S | 732 |
26 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
24 |
| Bloom Energy Corporation | 590 |
21 |
| Ceres Intellectual Property Company Limited | 250 |
10 |
| Utility Global, Inc. | 73 |
8 |
| Linde GmbH | 1122 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
| Haldor Topsøe A/S | 698 |
5 |
| Battelle Energy Alliance, LLC | 569 |
4 |
| Dynelectro ApS | 10 |
4 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| FuelCell Energy, Inc. | 337 |
3 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
3 |
| Mitsubishi Power, Ltd. | 1680 |
3 |
| Toshiba Corporation | 12017 |
2 |
| Hitachi, Ltd. | 16452 |
2 |
| ArcelorMittal | 1887 |
2 |
| AVL List GmbH | 1232 |
2 |
| Brilliant Light Power, Inc. | 60 |
2 |
| Convion Oy | 48 |
2 |
| Other owners | 57 |