- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0668 - Removal of carbon monoxide or carbon dioxide
Patent holdings for IPC class H01M 8/0668
Total number of patents in this class: 321
10-year publication summary
|
24
|
41
|
21
|
33
|
39
|
25
|
30
|
39
|
33
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FuelCell Energy, Inc. | 330 |
58 |
| Bloom Energy Corporation | 661 |
25 |
| ExxonMobil Research And Engineering Company | 2582 |
11 |
| Saudi Arabian Oil Company | 12997 |
11 |
| 1304338 Alberta Ltd. | 87 |
10 |
| 1304342 Alberta Ltd. | 85 |
10 |
| Tokyo Gas Co., Ltd. | 86 |
8 |
| Versa Power Systems, Ltd. | 35 |
8 |
| Mitsui O.S.K. Lines, Ltd. | 48 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 31221 |
5 |
| California BioEnergy, LLC | 26 |
5 |
| Form Energy, Inc. | 215 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10924 |
4 |
| Ez-energies GmbH | 9 |
4 |
| Politecnico di Milano | 847 |
4 |
| ZEG Power AS | 32 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 959 |
4 |
| ExxonMobil Technology and Engineering Company | 1060 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
3 |
| King Abdullah University of Science and Technology | 1770 |
3 |
| Other owners | 129 |