- All sections
- B - Performing operations; transporting
- B64C - Aeroplanes; helicopters
- B64C 27/68 - Transmitting means, e.g. interrelated with initiating means or means acting on blades using electrical energy, e.g. having electrical power amplification
Patent holdings for IPC class B64C 27/68
Total number of patents in this class: 122
10-year publication summary
|
6
|
9
|
10
|
14
|
13
|
18
|
18
|
14
|
9
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sikorsky Aircraft Corporation | 1150 |
11 |
| Textron Innovations Inc. | 2138 |
9 |
| MagLev Aero Inc. | 13 |
9 |
| Bell Helicopter Textron Inc. | 1122 |
7 |
| Merlin Technology, Inc. | 165 |
7 |
| Airbus Helicopters Technik GmbH | 24 |
6 |
| The Boeing Company | 19843 |
4 |
| ZF Friedrichshafen AG | 6820 |
4 |
| Leonardo S.p.A. | 605 |
4 |
| Safran Electronics & Defense | 1130 |
4 |
| Airbus Helicopters | 984 |
3 |
| Airbus Helicopters Deutschland GmbH | 324 |
3 |
| Alakai Technologies Corporation | 55 |
3 |
| FLIR Unmanned Aerial Systems AS | 35 |
3 |
| OverAir, Inc. | 39 |
3 |
| Lockheed Martin Corporation | 3406 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Karem Aircraft, Inc. | 37 |
2 |
| Microtecnica S.r.l. | 74 |
2 |
| Moog Inc. | 424 |
2 |
| Other owners | 32 |