- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 11/16 - Blades
Patent holdings for IPC class B64C 11/16
Total number of patents in this class: 117
10-year publication summary
|
5
|
8
|
14
|
7
|
4
|
5
|
6
|
6
|
8
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6212 |
10 |
| Safran Aircraft Engines | 6539 |
7 |
| Sharrow Engineering Inc. | 31 |
6 |
| Airbus Helicopters | 930 |
5 |
| SZ DJI Technology Co., Ltd | 6897 |
5 |
| Rtx Corporation | 9875 |
5 |
| Amazon Technologies, Inc. | 27705 |
4 |
| Hamilton Sundstrand Corporation | 5017 |
4 |
| General Electric Company | 13831 |
3 |
| Bell Helicopter Textron Inc. | 973 |
3 |
| Vestas Wind Systems A/S | 3754 |
3 |
| The Boeing Company | 20097 |
2 |
| Ansaldo Energia Switzerland AG | 270 |
2 |
| Chromalloy Gas Turbine LLC | 76 |
2 |
| Delta T Corporation | 29 |
2 |
| Embraer S.A. | 405 |
2 |
| Ratier-figeac SAS | 203 |
2 |
| The Research Foundation for The State University of New York | 1711 |
2 |
| Rolls-Royce Corporation | 1679 |
2 |
| Textron Innovations Inc. | 2400 |
2 |
| Other owners | 44 |