- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 13/05 - Diaphragms; Spacing elements characterised by the material based on inorganic materials
Patent holdings for IPC class C25B 13/05
Total number of patents in this class: 100
10-year publication summary
|
1
|
0
|
0
|
2
|
3
|
5
|
16
|
23
|
42
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Agfa-Gevaert | 279 |
6 |
| Utility Global, Inc. | 95 |
5 |
| Topsoe A/S | 829 |
5 |
| Reinz-Dichtungs-GmbH | 262 |
4 |
| Prometheus Fuels Inc | 28 |
4 |
| Kyocera Corporation | 13344 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
3 |
| The University of British Columbia | 1468 |
3 |
| Johnson Matthey Hydrogen Technologies Limited | 102 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
2 |
| W. L. Gore & Associates, Inc. | 2686 |
2 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1187 |
2 |
| Nichias Corporation | 388 |
2 |
| Redelec Technologie SA | 6 |
2 |
| Smoltek AB | 51 |
2 |
| Toshiba Energy Systems & Solutions Corp. | 1029 |
2 |
| Twelve Benefit Corporation | 140 |
2 |
| Siemens AG | 24565 |
1 |
| Toyota Motor Corporation | 30455 |
1 |
| Toshiba Corporation | 12051 |
1 |
| Other owners | 45 |