- 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: 25
10-year publication summary
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0
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0
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0
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0
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0
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1
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2
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5
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10
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3
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5210 |
9 |
| Airbus Helicopters | 928 |
4 |
| Rtx Corporation | 9851 |
4 |
| Airbus Operations S.A.S. | 2520 |
2 |
| Leonardo S.p.A. | 688 |
2 |
| Airbus Helicopters Deutschland GmbH | 323 |
1 |
| Textron Aviation Inc. | 84 |
1 |
| Coöperatie Elysian Aircraft Company U.A. | 4 |
1 |
| eVTOL Innovation, Inc. | 1 |
1 |
| Other owners | 0 |