- All sections
- B - Performing operations; transporting
- B64D - Equipment for fitting in or to aircraft; flight suits; parachutes; arrangements or mounting of power plants or propulsion transmissions in aircraft
- B64D 31/00 - Power plant control; Arrangement thereof
Patent holdings for IPC class B64D 31/00
Total number of patents in this class: 580
10-year publication summary
|
27
|
27
|
43
|
45
|
87
|
77
|
78
|
95
|
70
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4438 |
96 |
| Textron Innovations Inc. | 2192 |
31 |
| General Electric Company | 17783 |
21 |
| Airbus Helicopters | 962 |
19 |
| Rtx Corporation | 9094 |
19 |
| SZ DJI Technology Co., Ltd | 6809 |
18 |
| Aero Velocity Inc. | 31 |
17 |
| The Boeing Company | 19909 |
16 |
| Hamilton Sundstrand Corporation | 4724 |
15 |
| Beta Air, LLC | 582 |
14 |
| Rolls-Royce PLC | 2988 |
13 |
| Rolls-Royce Corporation | 1719 |
13 |
| Honda Motor Co., Ltd. | 24868 |
10 |
| Rolls-Royce North American Technologies, Inc. | 1133 |
10 |
| Safran Helicopter Engines | 724 |
10 |
| Safran Aircraft Engines | 6031 |
9 |
| AeroVironment, Inc. | 516 |
8 |
| Honeywell International Inc. | 14012 |
7 |
| Amazon Technologies, Inc. | 25884 |
7 |
| Safran Electrical & Power | 614 |
7 |
| Other owners | 220 |