- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
Patent holdings for IPC class H01M 8/04119
Total number of patents in this class: 1813
10-year publication summary
|
127
|
120
|
129
|
128
|
136
|
151
|
253
|
216
|
259
|
122
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kolon Industries, Inc. | 1635 |
190 |
| Robert Bosch GmbH | 42505 |
185 |
| Hyundai Motor Company | 21748 |
139 |
| Toyota Motor Corporation | 31565 |
127 |
| Audi AG | 7342 |
74 |
| Honda Motor Co., Ltd. | 25157 |
70 |
| Kia Corporation | 9429 |
54 |
| Kia Motors Corporation | 7758 |
52 |
| Nissan Motor Co., Ltd. | 12391 |
33 |
| FuelCell Energy, Inc. | 330 |
28 |
| Volkswagen AG | 7310 |
27 |
| MANN+HUMMEL GmbH | 1753 |
25 |
| MAHLE International GmbH | 2751 |
22 |
| cellcentric GmbH & Co. KG | 182 |
20 |
| AVL List GmbH | 1289 |
19 |
| Bloom Energy Corporation | 655 |
18 |
| GM Global Technology Operations LLC | 14910 |
15 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10879 |
15 |
| Ford Global Technologies, LLC | 20487 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 31022 |
14 |
| Other owners | 672 |