- 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 31/14 - Transmitting means between initiating means and power plants
Patent holdings for IPC class B64D 31/14
Total number of patents in this class: 127
10-year publication summary
|
4
|
10
|
12
|
18
|
21
|
19
|
15
|
8
|
6
|
9
|
| 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 |
10 |
| The Boeing Company | 20025 |
8 |
| SZ DJI Technology Co., Ltd | 6840 |
7 |
| Textron Innovations Inc. | 2295 |
7 |
| Airbus Helicopters | 965 |
5 |
| Honeywell International Inc. | 13562 |
4 |
| Lilium eAircraft GmbH | 86 |
4 |
| Rtx Corporation | 9313 |
4 |
| Hamilton Sundstrand Corporation | 4834 |
3 |
| Kawasaki Heavy Industries, Limited | 1618 |
3 |
| Bell Helicopter Textron Inc. | 1052 |
3 |
| Rolls-Royce Corporation | 1727 |
3 |
| Rolls-Royce Deutschland Ltd & Co KG | 810 |
3 |
| General Electric Company | 13830 |
2 |
| Airbus Operations S.A.S. | 2468 |
2 |
| Rolls-Royce PLC | 3072 |
2 |
| Dassault Aviation | 276 |
2 |
| GE Aviation Systems Limited | 265 |
2 |
| Gulfstream Aerospace Corporation | 669 |
2 |
| MAGicALL, Inc. | 10 |
2 |
| Other owners | 49 |