- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/691 - Arrangements or processes for draining liquids from casingsCleaning battery or cell casings
Patent holdings for IPC class H01M 50/691
Total number of patents in this class: 206
10-year publication summary
|
0
|
2
|
1
|
6
|
11
|
20
|
31
|
43
|
62
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 19136 |
52 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4022 |
20 |
| Contemporary Amperex Technology Co., Limited | 10065 |
13 |
| Samsung SDI Co., Ltd. | 10671 |
7 |
| Honda Motor Co., Ltd. | 26064 |
5 |
| Toyota Motor Corporation | 35857 |
5 |
| GM Global Technology Operations LLC | 16170 |
4 |
| Ford Global Technologies, LLC | 21532 |
4 |
| Advanced Battery Concepts, LLC | 43 |
4 |
| Milwaukee Electric Tool Corporation | 4971 |
4 |
| Enphase Energy, Inc. | 579 |
3 |
| Phinergy Ltd. | 93 |
3 |
| Sila Nanotechnologies Inc. | 188 |
3 |
| Jiangsu Contemporary Amperex Technology Limited | 288 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
2 |
| BYD Company Limited | 6495 |
2 |
| Korea Maritime University Industry-Academic Cooperation Foundation | 64 |
2 |
| New Flyer Industries Canada ULC | 89 |
2 |
| Panasian Microvent Tech (Jiangsu) Corporation | 22 |
2 |
| Rivian IP Holdings, LLC | 1608 |
2 |
| Other owners | 64 |