- 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 27/24 - Aircraft characterised by the type or position of power plant using steam, electricity, or spring force
Patent holdings for IPC class B64D 27/24
Total number of patents in this class: 2872
10-year publication summary
37
|
116
|
144
|
270
|
265
|
426
|
462
|
591
|
600
|
179
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Beta Air, LLC | 539 |
201 |
General Electric Company | 18133 |
145 |
Textron Innovations Inc. | 2138 |
104 |
Rolls-Royce PLC | 2944 |
80 |
Pratt & Whitney Canada Corp. | 4215 |
77 |
The Boeing Company | 19843 |
63 |
Rolls-Royce Deutschland Ltd & Co KG | 765 |
60 |
Honda Motor Co., Ltd. | 24537 |
59 |
SZ DJI Technology Co., Ltd | 6791 |
54 |
Hamilton Sundstrand Corporation | 4525 |
52 |
Joby Aero, Inc. | 200 |
49 |
Safran Helicopter Engines | 676 |
45 |
Rtx Corporation | 8674 |
45 |
Kitty Hawk Corporation | 279 |
44 |
Archer Aviation Inc. | 76 |
39 |
Rolls-Royce North American Technologies, Inc. | 1079 |
38 |
Nileworks Inc. | 139 |
35 |
Rolls-Royce Corporation | 1686 |
33 |
Denso Corporation | 23338 |
32 |
Safran Electrical & Power | 507 |
30 |
Other owners | 1587 |