- Sections
- B - Techniques industriellestransports
- B64C - Aéroplaneshélicoptères
- B64C 3/44 - Variation de la courbure
Détention brevets de la classe B64C 3/44
Brevets de cette classe: 120
Historique des publications depuis 10 ans
|
17
|
9
|
11
|
7
|
11
|
6
|
7
|
9
|
3
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| The Boeing Company | 20124 |
21 |
| AeroVironment, Inc. | 538 |
11 |
| Bombardier Inc. | 755 |
7 |
| Airbus Operations GmbH | 3352 |
5 |
| Toyota Motor Corporation | 32869 |
4 |
| Airbus Operations Limited | 1278 |
4 |
| Massachusetts Institute of Technology | 10110 |
4 |
| The United States of America as represented by the Secretary of the Air Force | 852 |
4 |
| BAE SYSTEMS plc | 2352 |
3 |
| Cornerstone Research Group, Inc. | 67 |
3 |
| Israel Aerospace Industries Ltd. | 523 |
3 |
| Airbus Defence and Space GmbH | 869 |
2 |
| Alstom Renewable Technologies | 72 |
2 |
| Aviation Partners, Inc. | 28 |
2 |
| FlexSys, Inc. | 26 |
2 |
| Hyalta Aeronautics, Inc. | 17 |
2 |
| Industry-University Cooperation Foundation Korea Aerospace University | 147 |
2 |
| Short Brothers plc, | 185 |
2 |
| Sonaca S.A. | 58 |
2 |
| Technion Research and Development Foundation Ltd. | 331 |
2 |
| Autres propriétaires | 33 |