- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 11/24 - Hollow blades
Patent holdings for IPC class B64C 11/24
Total number of patents in this class: 57
10-year publication summary
|
7
|
5
|
4
|
3
|
5
|
1
|
2
|
8
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6209 |
8 |
| GE Infrastructure Technology, LLC | 6184 |
6 |
| Rtx Corporation | 9280 |
5 |
| General Electric Company | 17062 |
4 |
| Skyworks Global Inc | 42 |
4 |
| Hamilton Sundstrand Corporation | 4823 |
3 |
| Airbus Helicopters | 965 |
2 |
| Amazon Technologies, Inc. | 26377 |
2 |
| Bell Helicopter Textron Inc. | 1054 |
2 |
| Rolls-Royce North American Technologies, Inc. | 1158 |
2 |
| Rolls-Royce PLC | 3027 |
1 |
| Toray Industries, Inc. | 6865 |
1 |
| Aurora Flight Sciences Corporation | 240 |
1 |
| Bladena ApS | 10 |
1 |
| Carpyz SAS | 7 |
1 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2702 |
1 |
| FiberCore IP B.V. | 26 |
1 |
| Hexcel Corporation | 303 |
1 |
| Karem Aircraft, Inc. | 38 |
1 |
| The Penn State Research Foundation | 1500 |
1 |
| Other owners | 9 |