- Sections
- B - Techniques industrielles; transports
- B64C - Aéroplanes; hélicoptères
- B64C 11/50 - Synchronisation des hélices multiples
Détention brevets de la classe B64C 11/50
Brevets de cette classe: 35
Historique des publications depuis 10 ans
|
3
|
1
|
6
|
4
|
4
|
8
|
2
|
6
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4215 |
5 |
| Bell Helicopter Textron Inc. | 1122 |
5 |
| Aergility Corporation | 7 |
4 |
| Amazon Technologies, Inc. | 24422 |
3 |
| Textron Innovations Inc. | 2138 |
3 |
| United States of America AS represented by The Administrator of NASA | 364 |
2 |
| Joby Aero, Inc. | 200 |
2 |
| Archer Aviation Inc. | 76 |
2 |
| SNECMA S.A. | 1160 |
1 |
| The Boeing Company | 19843 |
1 |
| Electro Standards Laboratories | 25 |
1 |
| GE Avio S.r.l. | 223 |
1 |
| Safran Helicopter Engines | 676 |
1 |
| The United States of America as represented by the Administration of NASA | 74 |
1 |
| The United States of America as represented by the Administrator of the National Aeronautics and Space Administration | 527 |
1 |
| Beta Air, LLC | 539 |
1 |
| Vertical Aerospace Group Ltd | 8 |
1 |
| Autres propriétaires | 0 |