- 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: 449
10-year publication summary
|
50
|
60
|
56
|
49
|
73
|
51
|
44
|
40
|
23
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2436 |
45 |
| Airbus Helicopters | 950 |
27 |
| Bell Helicopter Textron Inc. | 962 |
21 |
| Hood Technology Corporation | 53 |
21 |
| Amazon Technologies, Inc. | 28066 |
16 |
| Skyworks Global Inc | 42 |
15 |
| AeroVironment, Inc. | 577 |
12 |
| Airbus Helicopters Deutschland GmbH | 329 |
12 |
| Joby Aero, Inc. | 371 |
11 |
| Denso Corporation | 25513 |
10 |
| Kitty Hawk Corporation | 304 |
10 |
| Wing Aviation LLC | 564 |
7 |
| Supernal LLC, AKA Supernal | 135 |
7 |
| Wisk Aero LLC | 280 |
7 |
| Endurant Systems, LLC | 7 |
6 |
| Aeronext Inc. | 188 |
6 |
| The Boeing Company | 20160 |
5 |
| Japan Aerospace Exploration Agency | 457 |
5 |
| SZ DJI Technology Co., Ltd | 6932 |
5 |
| Subaru Corporation | 3999 |
5 |
| Other owners | 196 |