- 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 31/09 - Initiating means actuated automatically in response to power plant failure
Patent holdings for IPC class B64D 31/09
Total number of patents in this class: 33
10-year publication summary
|
0
|
0
|
0
|
1
|
2
|
1
|
2
|
9
|
13
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5479 |
10 |
| Airbus Helicopters | 951 |
5 |
| Rtx Corporation | 10102 |
4 |
| Leonardo S.p.A. | 699 |
3 |
| Airbus Operations S.A.S. | 2556 |
2 |
| Denso Corporation | 25534 |
2 |
| Airbus Helicopters Deutschland GmbH | 329 |
2 |
| Amazon Technologies, Inc. | 28087 |
1 |
| Safran Helicopter Engines | 842 |
1 |
| Textron Aviation Inc. | 72 |
1 |
| Coöperatie Elysian Aircraft Company U.A. | 6 |
1 |
| eVTOL Innovation, Inc. | 1 |
1 |
| Other owners | 0 |