- 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: 353
10-year publication summary
|
25
|
22
|
27
|
18
|
31
|
26
|
32
|
28
|
31
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6489 |
125 |
| Textron Innovations Inc. | 2385 |
24 |
| Pratt & Whitney Canada Corp. | 5159 |
13 |
| Bell Helicopter Textron Inc. | 988 |
12 |
| The Boeing Company | 20110 |
10 |
| Hamilton Sundstrand Corporation | 5006 |
10 |
| Snecma | 1061 |
10 |
| General Electric Company | 13804 |
9 |
| Airbus Helicopters | 936 |
8 |
| Rolls-Royce PLC | 3176 |
7 |
| SNECMA S.A. | 1148 |
6 |
| Airbus Operations S.A.S. | 2513 |
6 |
| Kitty Hawk Corporation | 305 |
6 |
| Sikorsky Aircraft Corporation | 1079 |
5 |
| Amazon Technologies, Inc. | 27555 |
4 |
| GE Aviation Systems Limited | 271 |
4 |
| Ratier-figeac SAS | 205 |
4 |
| Safran Helicopter Engines | 803 |
4 |
| Bell Textron Inc. | 68 |
4 |
| Rtx Corporation | 9785 |
4 |
| Other owners | 78 |