- 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: 423
10-year publication summary
|
25
|
38
|
57
|
48
|
50
|
28
|
27
|
41
|
40
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4438 |
52 |
| Textron Innovations Inc. | 2192 |
46 |
| Bell Helicopter Textron Inc. | 1085 |
44 |
| Airbus Helicopters | 962 |
27 |
| Rolls-Royce Corporation | 1719 |
20 |
| Sikorsky Aircraft Corporation | 1126 |
18 |
| Hamilton Sundstrand Corporation | 4724 |
16 |
| Rolls-Royce North American Technologies, Inc. | 1133 |
16 |
| SZ DJI Technology Co., Ltd | 6809 |
12 |
| Rolls-Royce PLC | 2988 |
9 |
| Leonardo S.p.A. | 656 |
9 |
| General Electric Company | 17783 |
8 |
| The Boeing Company | 19909 |
8 |
| Safran Helicopter Engines | 724 |
8 |
| Rolls-Royce Deutschland Ltd & Co KG | 795 |
7 |
| Rtx Corporation | 9094 |
7 |
| Airbus Helicopters Deutschland GmbH | 332 |
5 |
| Honda Motor Co., Ltd. | 24868 |
4 |
| Aurora Flight Sciences Corporation | 236 |
4 |
| Safran Aircraft Engines | 6031 |
4 |
| Other owners | 99 |