- 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: 565
10-year publication summary
|
23
|
25
|
37
|
41
|
79
|
75
|
76
|
94
|
67
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4629 |
94 |
| Textron Innovations Inc. | 2295 |
32 |
| General Electric Company | 13830 |
23 |
| SZ DJI Technology Co., Ltd | 6840 |
19 |
| Rtx Corporation | 9313 |
19 |
| Airbus Helicopters | 965 |
18 |
| Aero Velocity Inc. | 36 |
17 |
| Hamilton Sundstrand Corporation | 4834 |
15 |
| Beta Air, LLC | 596 |
15 |
| Rolls-Royce PLC | 3072 |
14 |
| The Boeing Company | 20025 |
13 |
| Rolls-Royce Corporation | 1727 |
12 |
| Rolls-Royce North American Technologies, Inc. | 1162 |
10 |
| Honda Motor Co., Ltd. | 25157 |
9 |
| Safran Aircraft Engines | 6250 |
9 |
| AeroVironment, Inc. | 533 |
8 |
| Amazon Technologies, Inc. | 26519 |
7 |
| Honeywell International Inc. | 13562 |
6 |
| Safran Helicopter Engines | 750 |
6 |
| Sikorsky Aircraft Corporation | 1106 |
6 |
| Other owners | 213 |