- 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 35/00 - Transmitting power from power plant to propellers or rotors; Arrangements of transmissions
Patent holdings for IPC class B64D 35/00
Total number of patents in this class: 399
10-year publication summary
|
14
|
25
|
38
|
57
|
48
|
50
|
27
|
26
|
40
|
20
|
| 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 |
49 |
| Bell Helicopter Textron Inc. | 1122 |
44 |
| Textron Innovations Inc. | 2138 |
43 |
| Airbus Helicopters | 984 |
28 |
| Rolls-Royce Corporation | 1686 |
18 |
| Sikorsky Aircraft Corporation | 1150 |
18 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
16 |
| Hamilton Sundstrand Corporation | 4525 |
15 |
| SZ DJI Technology Co., Ltd | 6791 |
11 |
| Rolls-Royce PLC | 2944 |
10 |
| General Electric Company | 18133 |
8 |
| The Boeing Company | 19843 |
8 |
| Leonardo S.p.A. | 605 |
8 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
6 |
| Safran Helicopter Engines | 676 |
6 |
| Rtx Corporation | 8674 |
6 |
| Airbus Helicopters Deutschland GmbH | 324 |
5 |
| Honda Motor Co., Ltd. | 24537 |
4 |
| Aurora Flight Sciences Corporation | 234 |
4 |
| Amazon Technologies, Inc. | 24422 |
3 |
| Other owners | 89 |