- 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: 2116
10-year publication summary
|
120
|
129
|
129
|
136
|
151
|
254
|
217
|
261
|
249
|
143
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kolon Industries, Inc. | 1844 |
237 |
| Robert Bosch GmbH | 44160 |
222 |
| Hyundai Motor Company | 24653 |
156 |
| Toyota Motor Corporation | 35772 |
137 |
| Honda Motor Co., Ltd. | 26025 |
76 |
| Audi AG | 7563 |
73 |
| Kia Corporation | 12385 |
71 |
| Kia Motors Corporation | 7718 |
52 |
| MAHLE International GmbH | 2911 |
35 |
| Nissan Motor Co., Ltd. | 12964 |
33 |
| FuelCell Energy, Inc. | 325 |
31 |
| MANN+HUMMEL GmbH | 1808 |
30 |
| Volkswagen AG | 7461 |
27 |
| cellcentric GmbH & Co. KG | 201 |
27 |
| Bloom Energy Corporation | 700 |
20 |
| GM Global Technology Operations LLC | 16124 |
19 |
| AVL List GmbH | 1324 |
19 |
| Ford Global Technologies, LLC | 21509 |
17 |
| NOK Corporation | 2299 |
17 |
| Bayerische Motoren Werke Aktiengesellschaft | 15272 |
16 |
| Other owners | 801 |