- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03D - Wind motors
- F03D 9/13 - Combinations of wind motors with apparatus storing energy storing gravitational potential energy
Patent holdings for IPC class F03D 9/13
Total number of patents in this class: 10
10-year publication summary
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0
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0
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0
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9
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1
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1
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0
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0
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hydrostor Inc. | 59 |
6 |
| Guangzhou Yatu New Energy Technology Co., Ltd | 12 |
1 |
| Gartech, LLC | 19 |
1 |
| MATSUMOTO Noriko | 1 |
1 |
| MATSUMOTO Yuina | 1 |
1 |
| Other owners | 0 |