- 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: 437
10-year publication summary
|
18
|
35
|
34
|
35
|
40
|
46
|
47
|
56
|
77
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
34 |
| Bloom Energy Corporation | 590 |
20 |
| FuelCell Energy, Inc. | 337 |
19 |
| Toyota Motor Corporation | 28582 |
17 |
| Audi AG | 7153 |
16 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
14 |
| Hyundai Motor Company | 19021 |
11 |
| Watt Fuel Cell Corp. | 122 |
11 |
| Nissan Motor Co., Ltd. | 12249 |
10 |
| LG Chem, Ltd. | 17205 |
9 |
| Honda Motor Co., Ltd. | 24537 |
8 |
| AVL List GmbH | 1232 |
7 |
| Volkswagen AG | 6966 |
7 |
| Doosan Mobility Innovation Inc. | 32 |
7 |
| ExxonMobil Research And Engineering Company | 2830 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
| Atsumitec Co., Ltd. | 48 |
5 |
| Intelligent Energy Limited | 464 |
5 |
| Nuvera Fuel Cells, LLC | 111 |
5 |
| Safran Power Units | 108 |
5 |
| Other owners | 215 |