- 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: 291
10-year publication summary
|
9
|
21
|
28
|
16
|
34
|
21
|
44
|
33
|
23
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4818 |
50 |
| Safran Helicopter Engines | 765 |
31 |
| Textron Innovations Inc. | 2334 |
23 |
| Airbus Helicopters | 972 |
17 |
| General Electric Company | 13859 |
10 |
| Sikorsky Aircraft Corporation | 1099 |
9 |
| Airbus Operations S.A.S. | 2491 |
5 |
| Rtx Corporation | 9445 |
5 |
| The Boeing Company | 20124 |
4 |
| Airbus S.A.S. | 915 |
4 |
| Hamilton Sundstrand Corporation | 4916 |
4 |
| Bell Helicopter Textron Inc. | 1061 |
4 |
| Leonardo S.p.A. | 667 |
4 |
| Safran Transmission Systems | 317 |
4 |
| Voltaero | 15 |
4 |
| Beta Air, LLC | 609 |
4 |
| United Technologies Advanced Projects Inc. | 17 |
4 |
| E.sat Management GmbH | 4 |
4 |
| Rolls-Royce Corporation | 1760 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
3 |
| Other owners | 95 |