- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/249 - Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
Patent holdings for IPC class H01M 8/249
Total number of patents in this class: 485
10-year publication summary
|
36
|
34
|
35
|
40
|
46
|
47
|
56
|
81
|
59
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 41786 |
46 |
| Bloom Energy Corporation | 629 |
21 |
| FuelCell Energy, Inc. | 328 |
19 |
| Toyota Motor Corporation | 30455 |
18 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
17 |
| Audi AG | 7281 |
16 |
| Hyundai Motor Company | 20483 |
13 |
| AVL List GmbH | 1256 |
11 |
| Watt Fuel Cell Corp. | 154 |
11 |
| LG Chem, Ltd. | 17639 |
9 |
| Honda Motor Co., Ltd. | 24866 |
8 |
| Nissan Motor Co., Ltd. | 12352 |
8 |
| Safran Power Units | 120 |
7 |
| Volkswagen AG | 7282 |
7 |
| Doosan Mobility Innovation Inc. | 31 |
7 |
| Kia Corporation | 8153 |
7 |
| Standard Energy Inc. | 77 |
6 |
| ExxonMobil Research And Engineering Company | 2659 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
5 |
| Kyocera Corporation | 13344 |
5 |
| Other owners | 239 |