- 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 35/00 - Transmitting power from power plants to propellers or rotorsArrangements of transmissions
Patent holdings for IPC class B64D 35/00
Total number of patents in this class: 433
10-year publication summary
|
16
|
27
|
37
|
31
|
31
|
24
|
21
|
36
|
33
|
14
|
| 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 |
59 |
| Textron Innovations Inc. | 2334 |
48 |
| Bell Helicopter Textron Inc. | 1061 |
44 |
| Airbus Helicopters | 972 |
28 |
| Rolls-Royce Corporation | 1760 |
17 |
| Sikorsky Aircraft Corporation | 1099 |
17 |
| Hamilton Sundstrand Corporation | 4916 |
16 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
15 |
| SZ DJI Technology Co., Ltd | 6857 |
12 |
| Leonardo S.p.A. | 667 |
9 |
| General Electric Company | 13859 |
8 |
| The Boeing Company | 20124 |
8 |
| Safran Helicopter Engines | 765 |
8 |
| Rtx Corporation | 9445 |
8 |
| Rolls-Royce PLC | 3133 |
6 |
| Rolls-Royce Deutschland Ltd & Co KG | 819 |
6 |
| Honda Motor Co., Ltd. | 25499 |
4 |
| Aurora Flight Sciences Corporation | 242 |
4 |
| Amazon Technologies, Inc. | 26938 |
3 |
| Karem Aircraft, Inc. | 38 |
3 |
| Other owners | 110 |