- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 25/66 - Convertible alighting gearCombinations of different kinds of ground or like engaging elements
Patent holdings for IPC class B64C 25/66
Total number of patents in this class: 31
10-year publication summary
|
6
|
1
|
7
|
9
|
7
|
0
|
5
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E.B. Robinson Ltd. | 7 |
7 |
| Hyalta Aeronautics, Inc. | 16 |
3 |
| Beta Air, LLC | 591 |
3 |
| The Boeing Company | 19960 |
2 |
| Mad Aerospace Corp. | 2 |
2 |
| Northern Flight Service AB | 2 |
2 |
| Lockheed Martin Corporation | 3282 |
1 |
| Rolls-Royce PLC | 3027 |
1 |
| Bell Helicopter Textron Inc. | 1054 |
1 |
| Hyundai Mobis Co., Ltd. | 3094 |
1 |
| National Institute for Materials Science | 1106 |
1 |
| Solar Ship Inc. | 9 |
1 |
| Summit Aircraft Skis | 1 |
1 |
| Suokas Avionics Oy | 1 |
1 |
| Textron Innovations Inc. | 2242 |
1 |
| Tigerfish Aviation Pty. Ltd. | 2 |
1 |
| Wipaire, Inc. | 17 |
1 |
| Kopter Group AG | 34 |
1 |
| Other owners | 0 |