- All sections
- B - Performing operations; transporting
- B64C - Aeroplanes; helicopters
- B64C 11/18 - Aerodynamic features
Patent holdings for IPC class B64C 11/18
Total number of patents in this class: 235
10-year publication summary
|
15
|
20
|
40
|
32
|
37
|
32
|
12
|
19
|
16
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
23 |
| Safran Aircraft Engines | 5739 |
22 |
| SZ DJI Technology Co., Ltd | 6791 |
19 |
| Amazon Technologies, Inc. | 24422 |
13 |
| Airbus Helicopters | 984 |
9 |
| Sikorsky Aircraft Corporation | 1150 |
7 |
| SNECMA S.A. | 1160 |
5 |
| Rolls-Royce PLC | 2944 |
5 |
| Autel Robotics Co. Ltd. | 965 |
5 |
| BiomeRenewables Inc. | 23 |
5 |
| Joby Aero, Inc. | 200 |
5 |
| Snecma | 1065 |
5 |
| Northrop Grumman Systems Corporation | 2940 |
4 |
| Kitty Hawk Corporation | 279 |
4 |
| Sharrow Engineering LLC | 42 |
4 |
| ESS 2 Tech, LLC | 8 |
4 |
| The Boeing Company | 19843 |
3 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Aviation Partners, Inc. | 28 |
3 |
| Bell Helicopter Textron Inc. | 1122 |
3 |
| Other owners | 84 |