- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 27/59 - Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical
Patent holdings for IPC class B64C 27/59
Total number of patents in this class: 108
10-year publication summary
|
11
|
13
|
12
|
12
|
8
|
14
|
10
|
7
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merlin Technology, Inc. | 164 |
12 |
| Bell Helicopter Textron Inc. | 1085 |
11 |
| Leonardo S.p.A. | 654 |
10 |
| Sikorsky Aircraft Corporation | 1123 |
9 |
| Airbus Helicopters | 962 |
6 |
| Textron Innovations Inc. | 2192 |
6 |
| Unmanned Aerospace LLC | 6 |
5 |
| The Boeing Company | 19911 |
4 |
| AeroVironment, Inc. | 517 |
4 |
| Airbus Helicopters Deutschland GmbH | 333 |
3 |
| Exonetik Inc. | 62 |
3 |
| Lockheed Martin Corporation | 3307 |
2 |
| Korea Aerospace Research Institute | 308 |
2 |
| Safran Electronics & Defense | 1230 |
2 |
| Archer Aviation Inc. | 150 |
2 |
| Toyota Motor Corporation | 30455 |
1 |
| Denso Corporation | 23769 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
1 |
| Amazon Technologies, Inc. | 25909 |
1 |
| California Institute of Technology | 3936 |
1 |
| Other owners | 22 |