- All sections
- B - Performing operations; transporting
- B64C - Aeroplanes; helicopters
- B64C 11/04 - Blade mountings
Patent holdings for IPC class B64C 11/04
Total number of patents in this class: 166
10-year publication summary
|
5
|
11
|
12
|
13
|
27
|
11
|
12
|
10
|
11
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SZ DJI Technology Co., Ltd | 6791 |
26 |
| Bell Helicopter Textron Inc. | 1122 |
12 |
| Safran Aircraft Engines | 5739 |
9 |
| Textron Innovations Inc. | 2138 |
8 |
| The Boeing Company | 19843 |
6 |
| Hamilton Sundstrand Corporation | 4525 |
6 |
| Sikorsky Aircraft Corporation | 1150 |
6 |
| Rolls-Royce PLC | 2944 |
5 |
| Ratier-figeac SAS | 173 |
5 |
| GE Infrastructure Technology, LLC | 5873 |
5 |
| Autel Robotics Co. Ltd. | 965 |
4 |
| Pratt & Whitney Canada Corp. | 4215 |
3 |
| Northrop Grumman Systems Corporation | 2940 |
3 |
| AeroVironment, Inc. | 499 |
3 |
| Wing Aviation LLC | 390 |
3 |
| General Electric Company | 18133 |
2 |
| Airbus Operations S.A.S. | 2407 |
2 |
| Airbus Helicopters | 984 |
2 |
| Airbus Helicopters Deutschland GmbH | 324 |
2 |
| ebm-papst Mulfingen GmbH & Co. KG | 608 |
2 |
| Other owners | 52 |