- 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 27/33 - Hybrid electric aircraft
Patent holdings for IPC class B64D 27/33
Total number of patents in this class: 61
10-year publication summary
|
0
|
0
|
3
|
1
|
7
|
2
|
6
|
4
|
33
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4428 |
8 |
| Safran Helicopter Engines | 722 |
6 |
| Ascendance Flight Technologies | 18 |
6 |
| Hamilton Sundstrand Corporation | 4712 |
4 |
| General Electric Company | 17801 |
3 |
| SAFRAN S.A. | 567 |
3 |
| Airbus Helicopters | 960 |
3 |
| Verdego Aero, Inc. | 31 |
2 |
| Raytheon Technologies Corporation | 229 |
2 |
| Limo Air Drive Corp. | 3 |
2 |
| The Boeing Company | 19900 |
1 |
| Centre National de La Recherche Scientifique | 10052 |
1 |
| Ampaire, Inc. | 54 |
1 |
| Bombardier Inc. | 749 |
1 |
| Jetoptera, Inc. | 85 |
1 |
| Safran Aircraft Engines | 6021 |
1 |
| Universite de Lorraine | 366 |
1 |
| Safran Electrical & Power | 608 |
1 |
| Zunum Aero, Inc. | 18 |
1 |
| Flying Whales | 51 |
1 |
| Other owners | 12 |