- 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 35/06 - Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors the propellers or rotors being counter-rotating
Patent holdings for IPC class B64D 35/06
Total number of patents in this class: 118
10-year publication summary
|
9
|
7
|
22
|
12
|
15
|
15
|
17
|
14
|
4
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sikorsky Aircraft Corporation | 1150 |
20 |
| Safran Aircraft Engines | 5739 |
13 |
| Textron Innovations Inc. | 2138 |
8 |
| MagLev Aero Inc. | 13 |
8 |
| Dronexus Aero LLC | 9 |
7 |
| Joby Aero, Inc. | 200 |
6 |
| The Boeing Company | 19843 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Kitty Hawk Corporation | 279 |
4 |
| Rtx Corporation | 8674 |
4 |
| Rolls-Royce PLC | 2944 |
3 |
| Snecma | 1065 |
3 |
| SAFRAN S.A. | 518 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Safran Transmission Systems | 260 |
2 |
| Wisk Aero LLC | 173 |
2 |
| Heleng Inc. | 7 |
2 |
| SNECMA S.A. | 1160 |
1 |
| Airbus Helicopters | 984 |
1 |
| Lockheed Martin Corporation | 3406 |
1 |
| Other owners | 20 |