- All sections
- B - Performing operationstransporting
- B64D - Equipment for fitting in or to aircraftflight suitsparachutesarrangement or mounting of power plants or propulsion transmissions in aircraft
- B64D 35/06 - Transmitting power from power plants to propellers or rotorsArrangements 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: 128
10-year publication summary
|
20
|
11
|
14
|
15
|
16
|
14
|
4
|
9
|
3
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sikorsky Aircraft Corporation | 1077 |
19 |
| Safran Aircraft Engines | 6511 |
13 |
| Textron Innovations Inc. | 2389 |
8 |
| MagLev Aero Inc. | 20 |
8 |
| Joby Aero, Inc. | 348 |
7 |
| Dronexus Aero LLC | 10 |
7 |
| The Boeing Company | 20102 |
5 |
| Rtx Corporation | 9831 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
4 |
| Kitty Hawk Corporation | 306 |
4 |
| Rolls-Royce PLC | 3178 |
3 |
| Safran Transmission Systems | 343 |
3 |
| Snecma | 1058 |
3 |
| SAFRAN S.A. | 638 |
2 |
| Pratt & Whitney Canada Corp. | 5203 |
2 |
| Hamilton Sundstrand Corporation | 5013 |
2 |
| Supernal LLC, AKA Supernal | 127 |
2 |
| Wisk Aero LLC | 258 |
2 |
| Heleng Inc. | 7 |
2 |
| Greenjets Limited | 9 |
2 |
| Other owners | 25 |