- All sections
- B - Performing operations; transporting
- B64D - Equipment for fitting in or to aircraft; flight suits; parachutes; arrangements or mounting of power plants or propulsion transmissions in aircraft
- B64D 31/09 - in response to power plant failure
Patent holdings for IPC class B64D 31/09
Total number of patents in this class: 3
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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1
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0
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0
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4215 |
2 |
| Airbus Helicopters | 984 |
1 |
| Other owners | 0 |