- Sections
- B - Techniques industrielles; transports
- B64C - Aéroplanes; hélicoptères
- B64C 11/24 - Pales creuses
Détention brevets de la classe B64C 11/24
Brevets de cette classe: 59
Historique des publications depuis 10 ans
|
4
|
7
|
5
|
4
|
3
|
5
|
1
|
2
|
9
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Safran Aircraft Engines | 5739 |
6 |
| GE Infrastructure Technology, LLC | 5873 |
6 |
| Rtx Corporation | 8674 |
6 |
| General Electric Company | 18133 |
4 |
| Skyworks Global Inc | 42 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Airbus Helicopters | 984 |
2 |
| Amazon Technologies, Inc. | 24422 |
2 |
| Bell Helicopter Textron Inc. | 1122 |
2 |
| Carpyz SAS | 9 |
2 |
| Hexcel Corporation | 305 |
2 |
| The Penn State Research Foundation | 1423 |
2 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
2 |
| Rolls-Royce PLC | 2944 |
1 |
| Aurora Flight Sciences Corporation | 234 |
1 |
| Bladena ApS | 11 |
1 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2487 |
1 |
| FiberCore IP B.V. | 27 |
1 |
| Karem Aircraft, Inc. | 37 |
1 |
| Piasecki Aircraft Corporation | 36 |
1 |
| Autres propriétaires | 9 |