- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 27/24 - Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft with rotor blades fixed in flight to act as lifting surfaces
Patent holdings for IPC class B64C 27/24
Total number of patents in this class: 79
10-year publication summary
|
5
|
10
|
19
|
11
|
6
|
5
|
12
|
12
|
8
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amazon Technologies, Inc. | 27080 |
4 |
| Kitty Hawk Corporation | 301 |
4 |
| The Boeing Company | 20157 |
3 |
| Supernal LLC, AKA Supernal | 109 |
3 |
| Tusas- Turk Havacilik ve Uzay Sanayii Anonim Sirketi | 296 |
3 |
| Airbus Helicopters | 972 |
2 |
| Denso Corporation | 24601 |
2 |
| Ampaire, Inc. | 56 |
2 |
| BAE SYSTEMS plc | 2362 |
2 |
| DZYNE Technologies, Inc. | 11 |
2 |
| SZ DJI Technology Co., Ltd | 6862 |
2 |
| Stoprotor Technology Pty Ltd | 2 |
2 |
| Detroit Aircraft Corporation | 3 |
2 |
| Bell Textron Inc. | 71 |
2 |
| Airborne Motor Works Inc. | 19 |
2 |
| Archer Aviation Inc. | 256 |
2 |
| Honda Motor Co., Ltd. | 25776 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8832 |
1 |
| Lockheed Martin Corporation | 3271 |
1 |
| AeroVironment, Inc. | 538 |
1 |
| Other owners | 36 |