- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 9/73 - Assemblies comprising two or more cells of the filter-press type
Patent holdings for IPC class C25B 9/73
Total number of patents in this class: 233
10-year publication summary
|
4
|
3
|
5
|
15
|
38
|
38
|
38
|
36
|
42
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12017 |
15 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
13 |
| Key DH IP Inc./ip Strategiques Dh, Inc. | 15 |
11 |
| Hoeller Electrolyzer GmbH | 35 |
8 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
6 |
| Industrie de Nora S.p.A. | 274 |
5 |
| Hamilton Sundstrand Corporation | 4525 |
4 |
| Versa Power Systems, Ltd. | 30 |
4 |
| z Intellectual Property Holding Company, LLC | 51 |
4 |
| FFI Ionix IP, Inc. | 25 |
4 |
| 3m Innovative Properties Company | 18406 |
3 |
| Hydrogenics Corporation | 204 |
3 |
| Tokuyama Corporation | 1248 |
3 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
3 |
| ThyssenKrupp Uhde Chlorine Engineers GmbH | 26 |
3 |
| Utility Global, Inc. | 73 |
3 |
| Hymeth ApS | 22 |
3 |
| Topsoe A/S | 732 |
3 |
| Edac Labs, Inc. | 14 |
3 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| Other owners | 130 |