- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 11/02 - Hub construction
Patent holdings for IPC class B64C 11/02
Total number of patents in this class: 143
10-year publication summary
|
14
|
29
|
13
|
21
|
14
|
11
|
9
|
10
|
12
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2201 |
15 |
| SZ DJI Technology Co., Ltd | 6816 |
13 |
| AeroVironment, Inc. | 518 |
9 |
| Pratt & Whitney Canada Corp. | 4451 |
7 |
| Hamilton Sundstrand Corporation | 4742 |
7 |
| Amazon Technologies, Inc. | 25972 |
6 |
| Bell Helicopter Textron Inc. | 1082 |
6 |
| Safran Aircraft Engines | 6078 |
5 |
| Sikorsky Aircraft Corporation | 1122 |
5 |
| Wisk Aero LLC | 205 |
4 |
| Samsung Electronics Co., Ltd. | 139551 |
3 |
| Safran Helicopter Engines | 729 |
3 |
| Autel Robotics Co. Ltd. | 1008 |
3 |
| Archer Aviation Inc. | 157 |
3 |
| Whisper Aero Inc. | 30 |
3 |
| The Boeing Company | 19922 |
2 |
| Airbus Helicopters Deutschland GmbH | 333 |
2 |
| HangZhou Zero Zero Technology Co., Ltd. | 78 |
2 |
| Safran Electrical & Power | 614 |
2 |
| Snecma | 1065 |
2 |
| Other owners | 41 |