- 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: 118
10-year publication summary
|
13
|
12
|
12
|
8
|
14
|
10
|
9
|
8
|
6
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merlin Technology, Inc. | 168 |
12 |
| Bell Helicopter Textron Inc. | 958 |
10 |
| Leonardo S.p.A. | 698 |
10 |
| Sikorsky Aircraft Corporation | 1062 |
9 |
| Unmanned Aerospace LLC | 11 |
7 |
| Airbus Helicopters | 952 |
6 |
| Textron Innovations Inc. | 2535 |
6 |
| The Boeing Company | 20196 |
5 |
| AeroVironment, Inc. | 581 |
4 |
| Lockheed Martin Corporation | 3254 |
3 |
| Airbus Helicopters Deutschland GmbH | 332 |
3 |
| Safran Electronics & Defense | 1391 |
3 |
| Exonetik Inc. | 69 |
3 |
| Archer Aviation Inc. | 411 |
3 |
| Korea Aerospace Research Institute | 326 |
2 |
| SiFly Aviation, Inc. | 11 |
2 |
| Airbus Helicopters Technik GmbH | 28 |
2 |
| Toyota Motor Corporation | 35992 |
1 |
| Denso Corporation | 25676 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
1 |
| Other owners | 25 |