- 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 35/04 - Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors
Patent holdings for IPC class B64D 35/04
Total number of patents in this class: 210
10-year publication summary
|
12
|
17
|
30
|
17
|
34
|
30
|
21
|
33
|
19
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2189 |
32 |
| Safran Aircraft Engines | 6021 |
21 |
| Rtx Corporation | 9069 |
11 |
| Pratt & Whitney Canada Corp. | 4428 |
10 |
| Bell Helicopter Textron Inc. | 1086 |
10 |
| MagLev Aero Inc. | 17 |
7 |
| The Boeing Company | 19900 |
6 |
| ACC Innovation AB | 16 |
6 |
| Airbus Helicopters | 960 |
5 |
| Safran Helicopter Engines | 722 |
5 |
| Sikorsky Aircraft Corporation | 1126 |
4 |
| XTI Aircraft Company | 5 |
4 |
| Beta Air, LLC | 581 |
4 |
| Leonardo S.p.A. | 654 |
3 |
| Rolls-Royce Corporation | 1718 |
3 |
| Rolls-Royce Deutschland Ltd & Co KG | 794 |
3 |
| Taiwan Flying Vehicle Co., Ltd. | 6 |
3 |
| Rolls-Royce PLC | 2976 |
2 |
| Kawasaki Heavy Industries, Limited | 1582 |
2 |
| Embraer S.A. | 391 |
2 |
| Other owners | 67 |