- 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 35/08 - Transmitting power from power plants to propellers or rotorsArrangements of transmissions characterised by the transmission being driven by a plurality of power plants
Patent holdings for IPC class B64D 35/08
Total number of patents in this class: 310
10-year publication summary
|
24
|
29
|
17
|
37
|
24
|
45
|
35
|
25
|
22
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5506 |
55 |
| Safran Helicopter Engines | 844 |
34 |
| Textron Innovations Inc. | 2443 |
24 |
| Airbus Helicopters | 952 |
19 |
| General Electric Company | 13910 |
12 |
| Airbus Operations S.A.S. | 2556 |
8 |
| Sikorsky Aircraft Corporation | 1066 |
8 |
| Rtx Corporation | 10128 |
6 |
| Airbus S.A.S. | 979 |
5 |
| Safran Transmission Systems | 375 |
5 |
| The Boeing Company | 20163 |
4 |
| Bell Helicopter Textron Inc. | 961 |
4 |
| Leonardo S.p.A. | 698 |
4 |
| Voltaero | 15 |
4 |
| Beta Air, LLC | 653 |
4 |
| United Technologies Advanced Projects Inc. | 17 |
4 |
| E.sat Management GmbH | 4 |
4 |
| Hamilton Sundstrand Corporation | 5014 |
3 |
| Rolls-Royce Corporation | 1677 |
3 |
| Rolls-Royce Deutschland Ltd & Co KG | 861 |
3 |
| Other owners | 97 |