- Sections
- B - Techniques industrielles; transports
- B64C - Aéroplanes; hélicoptères
- B64C 3/44 - Variation de la courbure
Détention brevets de la classe B64C 3/44
Brevets de cette classe: 115
Historique des publications depuis 10 ans
|
9
|
18
|
10
|
12
|
8
|
10
|
5
|
7
|
9
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| The Boeing Company | 19843 |
21 |
| AeroVironment, Inc. | 499 |
11 |
| Bombardier Inc. | 749 |
7 |
| Toyota Motor Corporation | 28582 |
4 |
| Airbus Operations Limited | 1157 |
4 |
| Massachusetts Institute of Technology | 9795 |
4 |
| Airbus Operations GmbH | 3188 |
3 |
| Cornerstone Research Group, Inc. | 67 |
3 |
| Israel Aerospace Industries Ltd. | 506 |
3 |
| Airbus Defence and Space GmbH | 886 |
2 |
| Alstom Renewable Technologies | 76 |
2 |
| Aviation Partners, Inc. | 28 |
2 |
| BAE SYSTEMS plc | 2215 |
2 |
| FlexSys, Inc. | 28 |
2 |
| GKN Aerospace Services Limited | 129 |
2 |
| Hyalta Aeronautics, Inc. | 15 |
2 |
| Industry-University Cooperation Foundation Korea Aerospace University | 129 |
2 |
| Short Brothers plc, | 184 |
2 |
| Sonaca S.A. | 53 |
2 |
| Technion Research and Development Foundation Ltd. | 337 |
2 |
| Autres propriétaires | 33 |