- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/247 - Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
Patent holdings for IPC class H01M 8/247
Total number of patents in this class: 194
10-year publication summary
|
13
|
20
|
22
|
21
|
16
|
16
|
8
|
20
|
6
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42813 |
17 |
| Toyota Motor Corporation | 32788 |
14 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10941 |
10 |
| Honda Motor Co., Ltd. | 25425 |
7 |
| Ceres Intellectual Property Company Limited | 269 |
7 |
| Nissan Motor Co., Ltd. | 12523 |
5 |
| Sumitomo Electric Industries, Ltd. | 15593 |
4 |
| Audi AG | 7375 |
4 |
| AVL List GmbH | 1300 |
4 |
| Bloom Energy Corporation | 662 |
4 |
| Reinz-Dichtungs-GmbH | 280 |
4 |
| MICO Power Ltd. | 24 |
4 |
| EKPO Fuel Cell Technologies GmbH | 91 |
4 |
| LG Chem, Ltd. | 17644 |
3 |
| GM Global Technology Operations LLC | 15150 |
3 |
| Ceres Power Limited | 32 |
3 |
| FuelCell Energy, Inc. | 327 |
3 |
| Safran Power Units | 123 |
3 |
| Sumitomo Precision Products Co., Ltd. | 303 |
3 |
| Morimura Sofc Technology Co.,Ltd | 87 |
3 |
| Other owners | 85 |