- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 11/34 - Blade pitch-changing mechanisms mechanical automatic
Patent holdings for IPC class B64C 11/34
Total number of patents in this class: 93
10-year publication summary
|
5
|
7
|
10
|
10
|
12
|
9
|
6
|
4
|
6
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kitty Hawk Corporation | 301 |
12 |
| Snecma | 1064 |
6 |
| General Electric Company | 13856 |
5 |
| Safran Aircraft Engines | 6329 |
5 |
| Pratt & Whitney Canada Corp. | 4843 |
4 |
| Hamilton Sundstrand Corporation | 4932 |
4 |
| Bell Helicopter Textron Inc. | 1060 |
4 |
| Skydio, Inc. | 433 |
4 |
| SNECMA S.A. | 1148 |
3 |
| PRODRONE Co., Ltd. | 77 |
3 |
| Sikorsky Aircraft Corporation | 1097 |
3 |
| Textron Innovations Inc. | 2346 |
3 |
| Honeywell International Inc. | 13557 |
2 |
| GE Avio S.r.l. | 285 |
2 |
| Max Prop S.r.l. | 21 |
2 |
| Ratier-figeac SAS | 199 |
2 |
| Animal Dynamics Ltd. | 41 |
2 |
| Qingdao Randall Aerodynamic Engineering, LLC | 5 |
2 |
| Rotors, Drones & More | 2 |
2 |
| Airbus Helicopters | 972 |
1 |
| Other owners | 22 |