- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 9/18 - Assemblies comprising a plurality of cells
Patent holdings for IPC class C25B 9/18
Total number of patents in this class: 339
10-year publication summary
41
|
61
|
48
|
57
|
40
|
26
|
10
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
33 |
Kyocera Corporation | 12735 |
9 |
Nihon Trim Co., Ltd. | 108 |
9 |
Haldor Topsøe A/S | 698 |
8 |
Evoqua Water Technologies Pte. Ltd. | 27 |
7 |
Topsoe A/S | 732 |
7 |
Honda Motor Co., Ltd. | 24537 |
6 |
Hydrox Holdings Limited | 10 |
5 |
Uhdenora S.p.A. | 39 |
5 |
Siemens AG | 24990 |
4 |
Toshiba Corporation | 12017 |
4 |
Morinaga Milk Industry Co., Ltd. | 358 |
4 |
Next Hydrogen Corporation | 28 |
4 |
Hamilton Sundstrand Corporation | 4525 |
3 |
NGK Spark Plug Co., Ltd. | 935 |
3 |
Htceramix S.A. | 17 |
3 |
Industrie de Nora S.p.A. | 274 |
3 |
Spraying Systems Co. | 485 |
3 |
Siemens Energy Global GmbH & Co. KG | 2775 |
3 |
International Business Machines Corporation | 60644 |
2 |
Other owners | 214 |