- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 11/32 - Blade pitch-changing mechanisms mechanical
Patent holdings for IPC class B64C 11/32
Total number of patents in this class: 189
10-year publication summary
|
13
|
25
|
27
|
20
|
28
|
12
|
10
|
8
|
16
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6078 |
41 |
| Textron Innovations Inc. | 2201 |
13 |
| AeroVironment, Inc. | 518 |
9 |
| Bell Helicopter Textron Inc. | 1082 |
8 |
| Kitty Hawk Corporation | 287 |
8 |
| General Electric Company | 17800 |
7 |
| Amazon Technologies, Inc. | 25972 |
7 |
| Hamilton Sundstrand Corporation | 4742 |
6 |
| The Boeing Company | 19922 |
5 |
| Airbus Helicopters | 962 |
5 |
| Snecma | 1065 |
5 |
| Bell Textron Rhode Island Inc. | 85 |
5 |
| Pratt & Whitney Canada Corp. | 4451 |
4 |
| Airbus Helicopters Deutschland GmbH | 333 |
4 |
| Rolls-Royce PLC | 2997 |
3 |
| SNECMA S.A. | 1149 |
2 |
| Bell Helicopter Rhode Island, Inc. | 52 |
2 |
| GE Avio S.r.l. | 247 |
2 |
| Moog Inc. | 421 |
2 |
| Ratier-figeac SAS | 182 |
2 |
| Other owners | 49 |