- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 11/12 - Blade mountings for non-adjustable blades flexible
Patent holdings for IPC class B64C 11/12
Total number of patents in this class: 21
10-year publication summary
|
2
|
2
|
0
|
0
|
2
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2554 |
3 |
| The Boeing Company | 20230 |
2 |
| Bell Helicopter Textron Inc. | 955 |
2 |
| Saab AB | 828 |
2 |
| GE Infrastructure Technology, LLC | 6146 |
2 |
| Coriolis-Wind Inc | 2 |
1 |
| ECP Entwicklungsgesellschaft mbH | 259 |
1 |
| Japan Advanced Institute of Science and Technology | 129 |
1 |
| Lord Corporation | 450 |
1 |
| Rotating Composite Technologies, LLC | 4 |
1 |
| Sikorsky Aircraft Corporation | 1059 |
1 |
| Vestas Wind Systems A/S | 3840 |
1 |
| Nostrum Energy Pte. Ltd. | 21 |
1 |
| Sony Group Corporation | 16305 |
1 |
| Airbus Helicopters Technik GmbH | 28 |
1 |
| Other owners | 0 |