- 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: 203
10-year publication summary
|
22
|
25
|
25
|
17
|
18
|
8
|
22
|
6
|
19
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43700 |
17 |
| Toyota Motor Corporation | 34877 |
14 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11020 |
10 |
| Honda Motor Co., Ltd. | 25891 |
7 |
| Ceres Intellectual Property Company Limited | 255 |
6 |
| Nissan Motor Co., Ltd. | 12834 |
5 |
| Sumitomo Electric Industries, Ltd. | 16145 |
4 |
| GM Global Technology Operations LLC | 15893 |
4 |
| Audi AG | 7488 |
4 |
| AVL List GmbH | 1327 |
4 |
| Bloom Energy Corporation | 685 |
4 |
| Reinz-Dichtungs-GmbH | 282 |
4 |
| Dongfeng Motor Group Company Limited | 311 |
4 |
| MICO Power Ltd. | 30 |
4 |
| EKPO Fuel Cell Technologies GmbH | 104 |
4 |
| LG Chem, Ltd. | 17867 |
3 |
| Ceres Power Limited | 52 |
3 |
| FuelCell Energy, Inc. | 326 |
3 |
| Safran Power Units | 127 |
3 |
| Sumitomo Precision Products Co., Ltd. | 324 |
3 |
| Other owners | 93 |