- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 11/06 - Blade mountings for variable-pitch blades
Patent holdings for IPC class B64C 11/06
Total number of patents in this class: 375
10-year publication summary
|
33
|
25
|
28
|
22
|
33
|
27
|
33
|
29
|
32
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6801 |
135 |
| Textron Innovations Inc. | 2545 |
25 |
| Pratt & Whitney Canada Corp. | 5594 |
14 |
| Bell Helicopter Textron Inc. | 956 |
12 |
| General Electric Company | 14010 |
11 |
| The Boeing Company | 20217 |
10 |
| Hamilton Sundstrand Corporation | 5013 |
10 |
| Snecma | 1057 |
10 |
| Airbus Helicopters | 956 |
8 |
| SNECMA S.A. | 1145 |
6 |
| Airbus Operations S.A.S. | 2583 |
6 |
| Rolls-Royce PLC | 3234 |
6 |
| Kitty Hawk Corporation | 305 |
6 |
| Ratier-figeac SAS | 204 |
5 |
| Sikorsky Aircraft Corporation | 1060 |
5 |
| Rtx Corporation | 10222 |
5 |
| Amazon Technologies, Inc. | 28333 |
4 |
| GE Aviation Systems Limited | 284 |
4 |
| GE Avio S.r.l. | 352 |
4 |
| Safran Helicopter Engines | 857 |
4 |
| Other owners | 85 |