- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03D - Wind motors
- F03D 9/11 - Combinations of wind motors with apparatus storing energy storing electrical energy
Patent holdings for IPC class F03D 9/11
Total number of patents in this class: 257
10-year publication summary
|
23
|
37
|
42
|
57
|
37
|
41
|
48
|
41
|
42
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vestas Wind Systems A/S | 3673 |
18 |
| Siemens Gamesa Renewable Energy A/S | 1879 |
15 |
| Wobben Properties GmbH | 1214 |
13 |
| J. Hench Consulting, Inc. | 8 |
7 |
| GE Infrastructure Technology, LLC | 6213 |
6 |
| KK Wind Solutions A/S | 93 |
5 |
| General Electric Company | 13767 |
4 |
| Prosto Wind Power | 4 |
4 |
| NTN Corporation | 4978 |
3 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 367 |
3 |
| China Petroleum & Chemical Corporation | 1899 |
3 |
| Inventus Holdings, LLC | 122 |
3 |
| EIP Technologies, Inc. | 12 |
3 |
| Adwen GmbH | 29 |
3 |
| Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd. | 94 |
3 |
| The Boeing Company | 20051 |
2 |
| ABB Schweiz AG | 6958 |
2 |
| The Yokohama Rubber Co., Ltd. | 4034 |
2 |
| Brilliant Light Power, Inc. | 63 |
2 |
| Jenesis International Inc. | 18 |
2 |
| Other owners | 154 |