- All sections
- B - Performing operationstransporting
- B64D - Equipment for fitting in or to aircraftflight suitsparachutesarrangement or mounting of power plants or propulsion transmissions in aircraft
- B64D 31/00 - Power plant control systemsArrangement of power plant control systems in aircraft
Patent holdings for IPC class B64D 31/00
Total number of patents in this class: 615
10-year publication summary
|
23
|
24
|
34
|
40
|
64
|
73
|
74
|
87
|
60
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4958 |
114 |
| Textron Innovations Inc. | 2369 |
33 |
| Airbus Helicopters | 945 |
24 |
| General Electric Company | 13830 |
23 |
| Rtx Corporation | 9601 |
20 |
| SZ DJI Technology Co., Ltd | 6868 |
19 |
| Aero Velocity Inc. | 39 |
18 |
| The Boeing Company | 20186 |
17 |
| Rolls-Royce PLC | 3159 |
15 |
| Hamilton Sundstrand Corporation | 4956 |
15 |
| Beta Air, LLC | 622 |
15 |
| Rolls-Royce Corporation | 1753 |
12 |
| Honda Motor Co., Ltd. | 25784 |
10 |
| Rolls-Royce North American Technologies, Inc. | 1177 |
10 |
| Safran Aircraft Engines | 6410 |
9 |
| Amazon Technologies, Inc. | 27247 |
8 |
| AeroVironment, Inc. | 543 |
8 |
| Safran Electrical & Power | 712 |
8 |
| Honeywell International Inc. | 13571 |
7 |
| Safran Helicopter Engines | 782 |
7 |
| Other owners | 223 |