- Sections
- B - Techniques industrielles; transports
- B64C - Aéroplanes; hélicoptères
- B64C 27/02 - Autogires
Détention brevets de la classe B64C 27/02
Brevets de cette classe: 148
Historique des publications depuis 10 ans
|
22
|
18
|
34
|
24
|
21
|
15
|
13
|
20
|
4
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Skyworks Global Inc | 42 |
28 |
| SZ DJI Technology Co., Ltd | 6791 |
15 |
| Airbus Helicopters | 984 |
7 |
| Aergility Corporation | 7 |
6 |
| AeroVironment, Inc. | 499 |
4 |
| Bell Helicopter Textron Inc. | 1122 |
4 |
| Sikorsky Aircraft Corporation | 1150 |
4 |
| The Boeing Company | 19843 |
3 |
| AutoGyro AG | 13 |
3 |
| Korea Aerospace Research Institute | 293 |
3 |
| PAL-V Europe, N.V. | 9 |
3 |
| Unmanned Aerospace LLC | 5 |
3 |
| California Institute of Technology | 3884 |
2 |
| Carter Aviation Technologies, LLC | 3 |
2 |
| Launch Tech Company Limited | 223 |
2 |
| Textron Innovations Inc. | 2138 |
2 |
| Autel Robotics Co. Ltd. | 965 |
2 |
| Fraundorfer Aeronautics AG | 2 |
2 |
| Wisk Aero LLC | 173 |
2 |
| Air Support Technologies LLC | 7 |
2 |
| Autres propriétaires | 49 |