- All sections
- B - Performing operations; transporting
- B64C - Aeroplanes; helicopters
- B64C 11/06 - Blade mountings for variable-pitch blades
Patent holdings for IPC class B64C 11/06
Total number of patents in this class: 298
10-year publication summary
|
22
|
22
|
33
|
25
|
28
|
22
|
32
|
27
|
26
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 5739 |
86 |
| Textron Innovations Inc. | 2138 |
21 |
| Pratt & Whitney Canada Corp. | 4215 |
13 |
| Bell Helicopter Textron Inc. | 1122 |
13 |
| The Boeing Company | 19843 |
10 |
| Hamilton Sundstrand Corporation | 4525 |
10 |
| Snecma | 1065 |
10 |
| General Electric Company | 18133 |
8 |
| Airbus Helicopters | 984 |
8 |
| Rolls-Royce PLC | 2944 |
7 |
| SNECMA S.A. | 1160 |
6 |
| Kitty Hawk Corporation | 279 |
6 |
| Airbus Operations S.A.S. | 2407 |
5 |
| Sikorsky Aircraft Corporation | 1150 |
5 |
| Bell Textron Inc. | 86 |
5 |
| Amazon Technologies, Inc. | 24422 |
4 |
| GE Aviation Systems Limited | 257 |
4 |
| Ratier-figeac SAS | 173 |
4 |
| Bell Textron Rhode Island Inc. | 124 |
4 |
| Schaeffler Technologies AG & Co. KG | 8880 |
3 |
| Other owners | 66 |