- 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 35/08 - Transmitting power from power plant to propellers or rotors; Arrangements 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: 337
10-year publication summary
|
15
|
25
|
32
|
19
|
52
|
27
|
53
|
40
|
28
|
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. | 4428 |
73 |
| Safran Helicopter Engines | 722 |
37 |
| Airbus Helicopters | 960 |
23 |
| Textron Innovations Inc. | 2189 |
23 |
| General Electric Company | 17801 |
10 |
| Sikorsky Aircraft Corporation | 1126 |
9 |
| Bell Helicopter Textron Inc. | 1086 |
6 |
| The Boeing Company | 19900 |
5 |
| Airbus Operations S.A.S. | 2435 |
5 |
| Hamilton Sundstrand Corporation | 4712 |
5 |
| Rtx Corporation | 9069 |
5 |
| Airbus S.A.S. | 854 |
4 |
| Leonardo S.p.A. | 654 |
4 |
| Rolls-Royce Corporation | 1718 |
4 |
| Safran Power Units | 120 |
4 |
| Voltaero | 15 |
4 |
| Beta Air, LLC | 581 |
4 |
| United Technologies Advanced Projects Inc. | 17 |
4 |
| E.sat Management GmbH | 4 |
4 |
| Honda Motor Co., Ltd. | 24855 |
3 |
| Other owners | 101 |