- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/21 - Drying of pasted electrodes
Patent holdings for IPC class H01M 4/21
Total number of patents in this class: 30
10-year publication summary
|
1
|
5
|
1
|
3
|
2
|
4
|
2
|
3
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RSR Technologies, Inc. | 42 |
5 |
| Arcactive Limited | 28 |
2 |
| Molecular Rebar Design, LLC | 75 |
2 |
| Owens Corning Intellectual Capital, LLC | 1632 |
2 |
| Cabot Corporation | 551 |
1 |
| Commonwealth Scientific and Industrial Research Organisation | 1655 |
1 |
| Espec Corp. | 55 |
1 |
| The Furukawa Battery Co., Ltd. | 174 |
1 |
| GS Yuasa International Ltd. | 2028 |
1 |
| Hollingsworth & Vose Company | 292 |
1 |
| Hoppecke Batterien GmbH & Co. KG | 23 |
1 |
| Shin-Kobe Electric Machinery Co., Ltd. | 121 |
1 |
| Tianneng Battery Group Co., Ltd. | 38 |
1 |
| Wirtz Manufacturing Co., Inc. | 50 |
1 |
| Leoch Battery (Jiangsu) Corp. | 4 |
1 |
| Nantong Volta Materials Ltd. | 4 |
1 |
| Quanverge Inc. | 6 |
1 |
| Amara Raja Batteries Limited | 1 |
1 |
| CPS Technology Holdings LLC | 723 |
1 |
| Evonik Operations GmbH | 4092 |
1 |
| Other owners | 3 |