- 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 27/04 - Aircraft characterised by the type or position of power plant of piston type
Patent holdings for IPC class B64D 27/04
Total number of patents in this class: 100
10-year publication summary
|
3
|
10
|
7
|
9
|
15
|
13
|
8
|
15
|
19
|
3
|
| 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 |
10 |
| General Atomics Aeronautical Systems, Inc. | 90 |
6 |
| Ishikawa Energy Research Co., Ltd. | 28 |
6 |
| Continental Motors, Inc. | 14 |
4 |
| Endurant Systems, LLC | 6 |
4 |
| Airbus Helicopters | 984 |
3 |
| Embraer S.A. | 369 |
3 |
| Northwest Uld, Inc. | 9 |
3 |
| Omni Hoverboards Inc. | 7 |
3 |
| Advanced Aircraft Company | 5 |
3 |
| Verdego Aero, Inc. | 27 |
3 |
| Engineered Propulsion Systems, Inc. | 5 |
2 |
| Israel Aerospace Industries Ltd. | 506 |
2 |
| Safran Helicopter Engines | 676 |
2 |
| Hybrid Project LLC | 2 |
2 |
| Arase Aizawa Aerospatiale LLC | 4 |
2 |
| General Electric Company | 18133 |
1 |
| The Boeing Company | 19843 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Airbus Operations GmbH | 3188 |
1 |
| Other owners | 38 |