- 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: 446
10-year publication summary
|
38
|
57
|
48
|
50
|
28
|
25
|
41
|
38
|
27
|
33
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5584 |
72 |
| Textron Innovations Inc. | 2543 |
52 |
| Bell Helicopter Textron Inc. | 956 |
41 |
| Airbus Helicopters | 954 |
21 |
| Hamilton Sundstrand Corporation | 5013 |
16 |
| Sikorsky Aircraft Corporation | 1059 |
16 |
| Rolls-Royce Corporation | 1684 |
15 |
| SZ DJI Technology Co., Ltd | 6942 |
12 |
| Rtx Corporation | 10199 |
12 |
| Leonardo S.p.A. | 707 |
11 |
| General Electric Company | 13999 |
10 |
| Safran Aircraft Engines | 6777 |
10 |
| Rolls-Royce North American Technologies, Inc. | 1132 |
8 |
| Safran Helicopter Engines | 854 |
8 |
| The Boeing Company | 20212 |
7 |
| Honda Motor Co., Ltd. | 26594 |
4 |
| Lockheed Martin Corporation | 3254 |
4 |
| Aurora Flight Sciences Corporation | 246 |
4 |
| Rolls-Royce Deutschland Ltd & Co KG | 868 |
4 |
| Amazon Technologies, Inc. | 28299 |
3 |
| Other owners | 116 |