- 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: 83
10-year publication summary
|
6
|
10
|
11
|
8
|
3
|
7
|
11
|
6
|
7
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 19021 |
10 |
| Toyota Boshoku Kabushiki Kaisha | 1304 |
9 |
| Toyota Motor Corporation | 28582 |
7 |
| Audi AG | 7153 |
6 |
| MANN+HUMMEL GmbH | 1682 |
5 |
| Intelligent Energy Limited | 464 |
4 |
| Kia Corporation | 6450 |
4 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| Robert Bosch GmbH | 40953 |
3 |
| Kia Motors Corporation | 7946 |
3 |
| FuelCell Energy, Inc. | 337 |
3 |
| ROKI Co., Ltd. | 38 |
3 |
| Hyundai Mobis Co., Ltd. | 2668 |
2 |
| Korens Co., Ltd. | 31 |
2 |
| Volkswagen AG | 6966 |
2 |
| Illinois Tool Works Inc. | 11152 |
1 |
| Siemens AG | 24990 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Nissan Motor Co., Ltd. | 12249 |
1 |
| Kyocera Corporation | 12735 |
1 |
| Other owners | 12 |