- 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: 219
10-year publication summary
|
0
|
2
|
3
|
5
|
8
|
19
|
31
|
55
|
53
|
38
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Energy Global GmbH & Co. KG | 2974 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
16 |
| ThyssenKrupp Nucera AG & Co. KGaA | 57 |
10 |
| Hymeth ApS | 22 |
7 |
| Honda Motor Co., Ltd. | 25301 |
6 |
| Robert Bosch GmbH | 42677 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10917 |
5 |
| Aramco Services Company | 3981 |
5 |
| Saudi Arabian Oil Company | 13206 |
5 |
| Hytech Power, LLC | 17 |
4 |
| Hydro-gen BV | 4 |
4 |
| Massachusetts Institute of Technology | 10057 |
3 |
| FuelCell Energy, Inc. | 327 |
3 |
| Hydrogenics Corporation | 192 |
3 |
| Tokuyama Corporation | 1394 |
3 |
| Linde GmbH | 1264 |
3 |
| Topsoe A/S | 896 |
3 |
| Supercritical Solutions Ltd | 3 |
3 |
| Schlumberger Technology Corporation | 10745 |
2 |
| Schlumberger Canada Limited | 7298 |
2 |
| Other owners | 108 |