- All sections
- B - Performing operations; transporting
- B64C - Aeroplanes; helicopters
- B64C 27/467 - Aerodynamic features
Patent holdings for IPC class B64C 27/467
Total number of patents in this class: 158
10-year publication summary
|
8
|
9
|
39
|
20
|
15
|
16
|
13
|
14
|
11
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sikorsky Aircraft Corporation | 1150 |
27 |
| Airbus Helicopters | 984 |
12 |
| SZ DJI Technology Co., Ltd | 6791 |
11 |
| The Boeing Company | 19843 |
6 |
| Japan Aerospace Exploration Agency | 431 |
6 |
| Kitty Hawk Corporation | 279 |
6 |
| Lockheed Martin Corporation | 3406 |
5 |
| Amazon Technologies, Inc. | 24422 |
5 |
| Bell Helicopter Textron Inc. | 1122 |
5 |
| Textron Innovations Inc. | 2138 |
5 |
| Autel Robotics Co. Ltd. | 965 |
4 |
| Wing Aviation LLC | 390 |
4 |
| ESS 2 Tech, LLC | 8 |
4 |
| Leonardo UK Ltd | 104 |
4 |
| ST Engineering Aerospace Ltd. | 38 |
3 |
| SNECMA S.A. | 1160 |
2 |
| Airbus Helicopters Deutschland GmbH | 324 |
2 |
| ONERA (Office National d'Etudes et de Recherches Aerospatiales) | 83 |
2 |
| Snecma | 1065 |
2 |
| Wisniewski Enterprises | 2 |
2 |
| Other owners | 41 |