- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/333 - Spring-loaded vent valves
Patent holdings for IPC class H01M 50/333
Total number of patents in this class: 224
10-year publication summary
|
0
|
1
|
3
|
4
|
11
|
20
|
43
|
41
|
50
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 19305 |
46 |
| Contemporary Amperex Technology Co., Limited | 10270 |
14 |
| MANN+HUMMEL GmbH | 1812 |
14 |
| Ford Global Technologies, LLC | 21582 |
10 |
| Samsung SDI Co., Ltd. | 10745 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
7 |
| Dai Nippon Printing Co., Ltd. | 4254 |
7 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4028 |
7 |
| Piolax Inc. | 424 |
6 |
| Bontaz Centre R & D | 69 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 15393 |
4 |
| Mann+Hummel Filter (Shanghai) Co. Ltd. | 27 |
4 |
| Nifco Inc. | 1101 |
4 |
| Eaton Intelligent Power Limited | 6269 |
4 |
| GM Global Technology Operations LLC | 16205 |
3 |
| Enevate Corporation | 440 |
3 |
| Hugo Benzing GmbH & Co. KG | 23 |
3 |
| KACO GmbH + Co. KG | 50 |
3 |
| Siemens Mobility GmbH | 1891 |
3 |
| GH Innovation Limited | 4 |
3 |
| Other owners | 66 |