- 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: 111
10-year publication summary
|
9
|
10
|
10
|
12
|
7
|
13
|
10
|
9
|
7
|
4
|
| 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. | 1060 |
11 |
| Leonardo S.p.A. | 670 |
10 |
| Sikorsky Aircraft Corporation | 1097 |
9 |
| Airbus Helicopters | 972 |
6 |
| Textron Innovations Inc. | 2346 |
6 |
| Unmanned Aerospace LLC | 7 |
6 |
| The Boeing Company | 20139 |
4 |
| AeroVironment, Inc. | 538 |
4 |
| Airbus Helicopters Deutschland GmbH | 331 |
3 |
| Exonetik Inc. | 66 |
3 |
| Lockheed Martin Corporation | 3271 |
2 |
| Korea Aerospace Research Institute | 316 |
2 |
| Safran Electronics & Defense | 1293 |
2 |
| Archer Aviation Inc. | 255 |
2 |
| SiFly Aviation, Inc. | 9 |
2 |
| Toyota Motor Corporation | 33077 |
1 |
| Denso Corporation | 24588 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32095 |
1 |
| Amazon Technologies, Inc. | 27060 |
1 |
| Other owners | 23 |