- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 11/04 - Blade mountings
Patent holdings for IPC class B64C 11/04
Total number of patents in this class: 175
10-year publication summary
|
10
|
12
|
25
|
11
|
12
|
9
|
13
|
9
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SZ DJI Technology Co., Ltd | 6874 |
25 |
| Bell Helicopter Textron Inc. | 1013 |
12 |
| Safran Aircraft Engines | 6454 |
12 |
| Textron Innovations Inc. | 2377 |
8 |
| The Boeing Company | 20079 |
6 |
| Hamilton Sundstrand Corporation | 4989 |
6 |
| Sikorsky Aircraft Corporation | 1090 |
6 |
| Rolls-Royce PLC | 3173 |
5 |
| Ratier-figeac SAS | 205 |
5 |
| GE Infrastructure Technology, LLC | 6203 |
5 |
| Autel Robotics Co. Ltd. | 1034 |
4 |
| General Electric Company | 13799 |
3 |
| Pratt & Whitney Canada Corp. | 4995 |
3 |
| Northrop Grumman Systems Corporation | 2925 |
3 |
| AeroVironment, Inc. | 550 |
3 |
| Skydio, Inc. | 452 |
3 |
| Wing Aviation LLC | 523 |
3 |
| Wisk Aero LLC | 250 |
3 |
| Rtx Corporation | 9666 |
3 |
| Airbus Operations S.A.S. | 2514 |
2 |
| Other owners | 55 |