- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 9/05 - Pressure cells
Patent holdings for IPC class C25B 9/05
Total number of patents in this class: 303
10-year publication summary
|
2
|
3
|
6
|
8
|
19
|
31
|
58
|
61
|
73
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Energy Global GmbH & Co. KG | 3447 |
27 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
16 |
| ThyssenKrupp Nucera AG & Co. KGaA | 90 |
13 |
| Honda Motor Co., Ltd. | 26154 |
9 |
| Robert Bosch GmbH | 44252 |
9 |
| Saudi Arabian Oil Company | 14329 |
7 |
| Hymeth ApS | 22 |
7 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11124 |
6 |
| Hydro-gen BV | 6 |
6 |
| Aramco Services Company | 4192 |
5 |
| Topsoe A/S | 1060 |
5 |
| Schlumberger Canada Limited | 7627 |
4 |
| Ceres Power Limited | 67 |
4 |
| Hytech Power, LLC | 16 |
4 |
| Genvia | 56 |
4 |
| NEL Hydrogen Electrolyser AS | 8 |
4 |
| Massachusetts Institute of Technology | 10285 |
3 |
| Bloom Energy Corporation | 704 |
3 |
| FuelCell Energy, Inc. | 323 |
3 |
| Hydrogenics Corporation | 189 |
3 |
| Other owners | 161 |