- All sections
- B - Performing operations; transporting
- B64C - Aeroplanes; helicopters
- B64C 25/32 - Alighting gear characterised by elements which contact the ground or similar surface
Patent holdings for IPC class B64C 25/32
Total number of patents in this class: 282
10-year publication summary
|
23
|
29
|
36
|
27
|
38
|
42
|
21
|
31
|
24
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SZ DJI Technology Co., Ltd | 6791 |
21 |
| Textron Innovations Inc. | 2138 |
14 |
| Saudi Arabian Oil Company | 11322 |
12 |
| Airbus Helicopters | 984 |
11 |
| King Abdullah University of Science and Technology | 1703 |
11 |
| Safran Landing Systems | 621 |
10 |
| The Boeing Company | 19843 |
6 |
| Bell Helicopter Textron Inc. | 1122 |
6 |
| Sikorsky Aircraft Corporation | 1150 |
6 |
| Airbus Helicopters Deutschland GmbH | 324 |
5 |
| Aramco Services Company | 3504 |
5 |
| Airbus Operations Limited | 1157 |
4 |
| Nippon Telegraph and Telephone Corporation | 14195 |
4 |
| Kitty Hawk Corporation | 279 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Lockheed Martin Corporation | 3406 |
3 |
| Amazon Technologies, Inc. | 24422 |
3 |
| Georgia Tech Research Corporation | 2453 |
3 |
| Safran Transmission Systems | 260 |
3 |
| Guangzhou Xaircraft Technology Co., Ltd. | 159 |
3 |
| Other owners | 145 |