- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 27/26 - Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft characterised by provision of fixed wings
Patent holdings for IPC class B64C 27/26
Total number of patents in this class: 446
10-year publication summary
|
44
|
46
|
53
|
44
|
61
|
48
|
43
|
37
|
22
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2389 |
45 |
| Airbus Helicopters | 926 |
27 |
| Bell Helicopter Textron Inc. | 974 |
21 |
| Hood Technology Corporation | 54 |
21 |
| Amazon Technologies, Inc. | 27637 |
16 |
| Skyworks Global Inc | 42 |
15 |
| AeroVironment, Inc. | 555 |
11 |
| Airbus Helicopters Deutschland GmbH | 324 |
11 |
| Joby Aero, Inc. | 345 |
11 |
| Denso Corporation | 25115 |
10 |
| Kitty Hawk Corporation | 306 |
10 |
| Wing Aviation LLC | 541 |
7 |
| Supernal LLC, AKA Supernal | 128 |
7 |
| Wisk Aero LLC | 258 |
7 |
| Endurant Systems, LLC | 7 |
6 |
| Aeronext Inc. | 184 |
6 |
| The Boeing Company | 20102 |
5 |
| Japan Aerospace Exploration Agency | 462 |
5 |
| SZ DJI Technology Co., Ltd | 6897 |
5 |
| Subaru Corporation | 3853 |
5 |
| Other owners | 195 |