- 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 31/00 - Power plant control; Arrangement thereof
Patent holdings for IPC class B64D 31/00
Total number of patents in this class: 544
10-year publication summary
|
22
|
27
|
27
|
43
|
45
|
90
|
77
|
81
|
96
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4215 |
93 |
| Textron Innovations Inc. | 2138 |
27 |
| General Electric Company | 18133 |
20 |
| Airbus Helicopters | 984 |
19 |
| SZ DJI Technology Co., Ltd | 6791 |
17 |
| Workhorse Group Inc. | 99 |
17 |
| Hamilton Sundstrand Corporation | 4525 |
15 |
| The Boeing Company | 19843 |
14 |
| Rtx Corporation | 8674 |
14 |
| Rolls-Royce PLC | 2944 |
13 |
| Rolls-Royce Corporation | 1686 |
13 |
| Beta Air, LLC | 539 |
12 |
| Honda Motor Co., Ltd. | 24537 |
11 |
| Safran Helicopter Engines | 676 |
11 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
10 |
| AeroVironment, Inc. | 499 |
8 |
| Amazon Technologies, Inc. | 24422 |
7 |
| Honeywell International Inc. | 13799 |
6 |
| Safran Aircraft Engines | 5739 |
6 |
| Sikorsky Aircraft Corporation | 1150 |
6 |
| Other owners | 205 |