- 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 27/04 - Aircraft characterised by the type or position of power plants of piston type
Patent holdings for IPC class B64D 27/04
Total number of patents in this class: 110
10-year publication summary
|
10
|
7
|
9
|
15
|
13
|
8
|
14
|
21
|
8
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4745 |
13 |
| Ishikawa Energy Research Co., Ltd. | 84 |
7 |
| Endurant Systems, LLC | 6 |
5 |
| Arase Aizawa Aerospatiale LLC | 7 |
5 |
| Continental Motors, Inc. | 12 |
4 |
| General Atomics Aeronautical Systems, Inc. | 95 |
4 |
| Airbus Helicopters | 969 |
3 |
| Embraer S.A. | 398 |
3 |
| Northwest Uld, Inc. | 11 |
3 |
| Omni Hoverboards Inc. | 6 |
3 |
| Advanced Aircraft Company | 5 |
3 |
| Verdego Aero, Inc. | 33 |
3 |
| Champion Aerospace LLC | 23 |
2 |
| Engineered Propulsion Systems, Inc. | 5 |
2 |
| Israel Aerospace Industries Ltd. | 521 |
2 |
| Safran Helicopter Engines | 758 |
2 |
| Textron Innovations Inc. | 2307 |
2 |
| Parallel Flight Technologies, Inc. | 8 |
2 |
| General Electric Company | 13780 |
1 |
| The Boeing Company | 20043 |
1 |
| Other owners | 40 |