- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03D - Wind motors
- F03D 9/20 - Wind motors characterised by the driven apparatus
Patent holdings for IPC class F03D 9/20
Total number of patents in this class: 16
10-year publication summary
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1
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4
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1
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4
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3
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1
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2
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4
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4
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Tech University System | 577 |
2 |
| Lone Gull Holdings, Ltd. | 128 |
2 |
| Siemens Gamesa Renewable Energy A/S | 1880 |
2 |
| Agricultural Resources Pte. Ltd. | 3 |
2 |
| InterContinental Energy Holdings Group Limited | 9 |
2 |
| Mountain N Meadow Holdings, Inc. | 2 |
1 |
| Northeastern University | 1191 |
1 |
| Yueli Electric (Jiangsu) Co., Ltd. | 1 |
1 |
| OH, Chun Hee | 4 |
1 |
| SONG, Kang Hee | 4 |
1 |
| SONG, Kyung Hee | 4 |
1 |
| Other owners | 0 |