- Sections
- B - Techniques industriellestransports
- B64C - Aéroplaneshélicoptères
- B64C 11/50 - Synchronisation des hélices multiples
Détention brevets de la classe B64C 11/50
Brevets de cette classe: 51
Historique des publications depuis 10 ans
|
6
|
4
|
4
|
8
|
2
|
8
|
3
|
10
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5506 |
6 |
| Aergility Corporation | 7 |
6 |
| Bell Helicopter Textron Inc. | 961 |
5 |
| General Electric Company | 13910 |
3 |
| Amazon Technologies, Inc. | 28118 |
3 |
| Textron Innovations Inc. | 2443 |
3 |
| Safran Helicopter Engines | 844 |
2 |
| United States of America AS represented by The Administrator of NASA | 472 |
2 |
| Joby Aero, Inc. | 374 |
2 |
| Supernal LLC, AKA Supernal | 138 |
2 |
| Beta Air, LLC | 653 |
2 |
| Archer Aviation Inc. | 404 |
2 |
| Vertical Aerospace Group Ltd | 19 |
2 |
| Burl Aerospace Pty Ltd | 2 |
2 |
| Hollocraft LLC | 8 |
2 |
| SNECMA S.A. | 1146 |
1 |
| The Boeing Company | 20163 |
1 |
| Electro Standards Laboratories | 28 |
1 |
| GE Avio S.r.l. | 335 |
1 |
| The United States of America as represented by the Administration of NASA | 74 |
1 |
| Autres propriétaires | 2 |