- 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: 59
10-year publication summary
|
7
|
4
|
3
|
2
|
4
|
1
|
2
|
8
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6428 |
9 |
| GE Infrastructure Technology, LLC | 6199 |
6 |
| Rtx Corporation | 9624 |
5 |
| General Electric Company | 13801 |
4 |
| Skyworks Global Inc | 42 |
4 |
| Hamilton Sundstrand Corporation | 4971 |
3 |
| Airbus Helicopters | 946 |
2 |
| Amazon Technologies, Inc. | 27291 |
2 |
| Bell Helicopter Textron Inc. | 1017 |
2 |
| Hexcel Corporation | 300 |
2 |
| Rolls-Royce North American Technologies, Inc. | 1153 |
2 |
| Rolls-Royce PLC | 3165 |
1 |
| Toray Industries, Inc. | 7016 |
1 |
| Aurora Flight Sciences Corporation | 244 |
1 |
| Bladena ApS | 11 |
1 |
| Carpyz SAS | 7 |
1 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2796 |
1 |
| FiberCore IP B.V. | 27 |
1 |
| Karem Aircraft, Inc. | 39 |
1 |
| The Penn State Research Foundation | 1564 |
1 |
| Other owners | 9 |