- 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: 330
10-year publication summary
|
18
|
15
|
25
|
32
|
19
|
52
|
29
|
54
|
40
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4215 |
73 |
| Safran Helicopter Engines | 676 |
36 |
| Airbus Helicopters | 984 |
25 |
| Textron Innovations Inc. | 2138 |
24 |
| General Electric Company | 18133 |
10 |
| Sikorsky Aircraft Corporation | 1150 |
9 |
| Bell Helicopter Textron Inc. | 1122 |
6 |
| The Boeing Company | 19843 |
5 |
| Hamilton Sundstrand Corporation | 4525 |
5 |
| Rtx Corporation | 8674 |
5 |
| Airbus Operations S.A.S. | 2407 |
4 |
| Leonardo S.p.A. | 605 |
4 |
| Rolls-Royce Corporation | 1686 |
4 |
| Safran Power Units | 108 |
4 |
| Voltaero | 15 |
4 |
| United Technologies Advanced Projects Inc. | 17 |
4 |
| E.sat Management GmbH | 4 |
4 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| Airbus S.A.S. | 819 |
3 |
| Embry-Riddle Aeronautical University, Inc. | 36 |
3 |
| Other owners | 95 |