- 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
|
88
|
60
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4838 |
116 |
| Textron Innovations Inc. | 2343 |
32 |
| General Electric Company | 13859 |
23 |
| Airbus Helicopters | 973 |
23 |
| Rtx Corporation | 9483 |
21 |
| SZ DJI Technology Co., Ltd | 6858 |
19 |
| Aero Velocity Inc. | 37 |
18 |
| The Boeing Company | 20139 |
17 |
| Hamilton Sundstrand Corporation | 4931 |
15 |
| Beta Air, LLC | 610 |
15 |
| Rolls-Royce PLC | 3137 |
14 |
| Rolls-Royce Corporation | 1760 |
12 |
| Honda Motor Co., Ltd. | 25780 |
10 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
10 |
| Safran Aircraft Engines | 6317 |
9 |
| Amazon Technologies, Inc. | 27025 |
8 |
| AeroVironment, Inc. | 539 |
8 |
| Safran Electrical & Power | 697 |
8 |
| Honeywell International Inc. | 13552 |
7 |
| Safran Helicopter Engines | 768 |
7 |
| Other owners | 223 |