- 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: 324
10-year publication summary
21
|
30
|
20
|
33
|
36
|
24
|
25
|
31
|
33
|
15
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FuelCell Energy, Inc. | 327 |
58 |
Bloom Energy Corporation | 662 |
25 |
ExxonMobil Research And Engineering Company | 2562 |
11 |
Saudi Arabian Oil Company | 13349 |
11 |
1304338 Alberta Ltd. | 87 |
10 |
1304342 Alberta Ltd. | 85 |
10 |
Tokyo Gas Co., Ltd. | 90 |
8 |
Versa Power Systems, Ltd. | 35 |
8 |
Mitsui O.S.K. Lines, Ltd. | 49 |
6 |
Panasonic Intellectual Property Management Co., Ltd. | 31806 |
5 |
Nuovo Pignone Tecnologie S.r.l. | 997 |
5 |
California BioEnergy, LLC | 26 |
5 |
Form Energy, Inc. | 226 |
5 |
Commissariat à l'énergie atomique et aux energies alternatives | 10941 |
4 |
Ez-energies GmbH | 9 |
4 |
Politecnico di Milano | 853 |
4 |
ZEG Power AS | 32 |
4 |
ExxonMobil Technology and Engineering Company | 1100 |
4 |
Doosan Heavy Industries & Construction Co., Ltd. | 580 |
3 |
King Abdullah University of Science and Technology | 1802 |
3 |
Other owners | 131 |