- Sections
- B - Techniques industrielles; transports
- B64C - Aéroplanes; hélicoptères
- B64C 11/28 - Pales rabattables ou repliables
Détention brevets de la classe B64C 11/28
Brevets de cette classe: 262
Historique des publications depuis 10 ans
|
17
|
23
|
48
|
41
|
31
|
33
|
23
|
24
|
11
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Textron Innovations Inc. | 2192 |
57 |
| Bell Helicopter Textron Inc. | 1085 |
27 |
| Joby Aero, Inc. | 260 |
13 |
| Hyundai Motor Company | 20442 |
8 |
| Amazon Technologies, Inc. | 25884 |
8 |
| Anduril Industries Inc. | 134 |
7 |
| Kia Corporation | 8110 |
7 |
| Kitty Hawk Corporation | 286 |
6 |
| SZ DJI Technology Co., Ltd | 6809 |
6 |
| Wing Aviation LLC | 443 |
6 |
| Bell Textron Rhode Island Inc. | 88 |
6 |
| General Electric Company | 17783 |
5 |
| The Boeing Company | 19909 |
5 |
| Bell Helicopter Rhode Island, Inc. | 53 |
5 |
| Safran Helicopter Engines | 724 |
5 |
| Sikorsky Aircraft Corporation | 1126 |
5 |
| Northrop Grumman Systems Corporation | 2922 |
4 |
| Skydio, Inc. | 372 |
4 |
| Autel Robotics Co. Ltd. | 1006 |
4 |
| Beacon Lighting International Limited | 16 |
3 |
| Autres propriétaires | 71 |