- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 39/06 - Aircraft not otherwise provided for having disc- or ring-shaped wings
Patent holdings for IPC class B64C 39/06
Total number of patents in this class: 212
10-year publication summary
|
22
|
20
|
20
|
49
|
26
|
30
|
21
|
19
|
14
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2389 |
25 |
| Joby Aero, Inc. | 348 |
20 |
| Amazon Technologies, Inc. | 27656 |
19 |
| Amsl Innovations Pty Ltd | 15 |
10 |
| Leonardo S.p.A. | 684 |
8 |
| Jetoptera, Inc. | 97 |
7 |
| Airbus Helicopters Deutschland GmbH | 324 |
6 |
| Bell Helicopter Textron Inc. | 973 |
5 |
| Aesir Limited | 5 |
4 |
| Fly-r | 8 |
4 |
| Kmtc Vortifer Projektgesellschaft mbH | 4 |
4 |
| E.sat Management GmbH | 4 |
4 |
| Bansi Aviation, LLC | 7 |
4 |
| American Aviation Technologies, LLC | 4 |
3 |
| Alef Aeronautics Inc. | 3 |
3 |
| Airbus Helicopters | 926 |
2 |
| Northrop Grumman Systems Corporation | 2924 |
2 |
| Rolls-Royce PLC | 3178 |
2 |
| Embraer S.A. | 404 |
2 |
| GKN Aerospace Services Limited | 152 |
2 |
| Other owners | 76 |