- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 13/05 - DiaphragmsSpacing elements characterised by the material based on inorganic materials
Patent holdings for IPC class C25B 13/05
Total number of patents in this class: 209
10-year publication summary
|
0
|
0
|
2
|
3
|
6
|
15
|
24
|
44
|
70
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Reinz-Dichtungs-GmbH | 282 |
15 |
| LG Chem, Ltd. | 17929 |
8 |
| Agfa-Gevaert | 299 |
8 |
| Topsoe A/S | 1049 |
7 |
| Prometheus Fuels Inc | 28 |
6 |
| Utility Global, Inc. | 112 |
6 |
| Niterra Co., Ltd. | 1404 |
6 |
| Samsung Electro-mechanics Co., Ltd. | 6091 |
4 |
| Kyocera Corporation | 14383 |
4 |
| Agc, Inc. | 5537 |
4 |
| Siemens Energy Global GmbH & Co. KG | 3357 |
4 |
| Johnson Matthey Hydrogen Technologies Limited | 140 |
4 |
| Toshiba Corporation | 12569 |
3 |
| Robert Bosch GmbH | 44176 |
3 |
| Hyundai Motor Company | 24703 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
3 |
| NGK Insulators, Ltd. | 5239 |
3 |
| W. L. Gore & Associates, Inc. | 2715 |
3 |
| The University of British Columbia | 1546 |
3 |
| Toshiba Energy Systems & Solutions Corp. | 1148 |
3 |
| Other owners | 109 |