- 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 35/04 - Transmitting power from power plants to propellers or rotorsArrangements 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: 227
10-year publication summary
|
17
|
30
|
17
|
34
|
30
|
20
|
31
|
24
|
12
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2436 |
33 |
| Safran Aircraft Engines | 6671 |
21 |
| Pratt & Whitney Canada Corp. | 5472 |
13 |
| Rtx Corporation | 10082 |
12 |
| Bell Helicopter Textron Inc. | 962 |
10 |
| MagLev Aero Inc. | 20 |
7 |
| The Boeing Company | 20160 |
6 |
| ACC Innovation AB | 18 |
6 |
| Beta Air, LLC | 653 |
6 |
| Airbus Helicopters | 950 |
5 |
| Safran Helicopter Engines | 840 |
5 |
| XTI Aircraft Company | 7 |
5 |
| General Electric Company | 13888 |
4 |
| Rolls-Royce Deutschland Ltd & Co KG | 857 |
4 |
| Sikorsky Aircraft Corporation | 1069 |
4 |
| Leonardo S.p.A. | 699 |
3 |
| Rolls-Royce Corporation | 1676 |
3 |
| Taiwan Flying Vehicle Co., Ltd. | 8 |
3 |
| Rolls-Royce PLC | 3219 |
2 |
| Kawasaki Heavy Industries, Limited | 1671 |
2 |
| Other owners | 73 |