- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 27/635 - Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical specially for controlling lag-lead movements of blades
Patent holdings for IPC class B64C 27/635
Total number of patents in this class: 26
10-year publication summary
|
2
|
7
|
3
|
5
|
0
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0
|
1
|
1
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bell Helicopter Textron Inc. | 1082 |
8 |
| Sikorsky Aircraft Corporation | 1122 |
3 |
| Textron Innovations Inc. | 2201 |
3 |
| Airbus Helicopters | 962 |
2 |
| Airbus Helicopters Deutschland GmbH | 333 |
2 |
| FLIR Unmanned Aerial Systems AS | 37 |
2 |
| Bell Textron Inc. | 72 |
2 |
| Lord Corporation | 476 |
1 |
| Kopter Group AG | 34 |
1 |
| Arase Aizawa Aerospatiale LLC | 5 |
1 |
| Certo Aerospace Limited | 3 |
1 |
| Other owners | 0 |