- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04044 - Purification of heat exchange media
Patent holdings for IPC class H01M 8/04044
Total number of patents in this class: 113
10-year publication summary
|
11
|
8
|
3
|
7
|
11
|
6
|
7
|
11
|
11
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 24602 |
17 |
| Kia Corporation | 12346 |
11 |
| Toyota Boshoku Kabushiki Kaisha | 1498 |
9 |
| Toyota Motor Corporation | 35680 |
8 |
| MANN+HUMMEL GmbH | 1812 |
8 |
| Audi AG | 7559 |
6 |
| Robert Bosch GmbH | 44128 |
4 |
| Honda Motor Co., Ltd. | 26008 |
3 |
| Kia Motors Corporation | 7718 |
3 |
| FuelCell Energy, Inc. | 326 |
3 |
| ROKI Co., Ltd. | 36 |
3 |
| Volvo Truck Corporation | 3902 |
3 |
| Intelligent Energy Limited | 374 |
2 |
| Korens Co., Ltd. | 32 |
2 |
| MAHLE International GmbH | 2911 |
2 |
| Volkswagen AG | 7457 |
2 |
| Siemens Mobility GmbH | 1868 |
2 |
| Illinois Tool Works Inc. | 11858 |
1 |
| Siemens AG | 24033 |
1 |
| LG Electronics Inc. | 75654 |
1 |
| Other owners | 22 |