- 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: 421
10-year publication summary
|
27
|
37
|
31
|
31
|
24
|
20
|
38
|
32
|
15
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5093 |
61 |
| Textron Innovations Inc. | 2384 |
49 |
| Bell Helicopter Textron Inc. | 989 |
41 |
| Airbus Helicopters | 936 |
22 |
| Hamilton Sundstrand Corporation | 5004 |
16 |
| Sikorsky Aircraft Corporation | 1081 |
16 |
| Rolls-Royce Corporation | 1691 |
15 |
| Rolls-Royce North American Technologies, Inc. | 1143 |
12 |
| SZ DJI Technology Co., Ltd | 6887 |
12 |
| Leonardo S.p.A. | 684 |
10 |
| Rtx Corporation | 9779 |
10 |
| General Electric Company | 13789 |
8 |
| The Boeing Company | 20102 |
8 |
| Safran Helicopter Engines | 802 |
8 |
| Rolls-Royce Deutschland Ltd & Co KG | 836 |
5 |
| Honda Motor Co., Ltd. | 25795 |
4 |
| Rolls-Royce PLC | 3173 |
4 |
| Aurora Flight Sciences Corporation | 244 |
4 |
| Amazon Technologies, Inc. | 27542 |
3 |
| Karem Aircraft, Inc. | 39 |
3 |
| Other owners | 110 |