- 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 39/00 - Refuelling during flight
Patent holdings for IPC class B64D 39/00
Total number of patents in this class: 284
10-year publication summary
|
20
|
28
|
21
|
23
|
14
|
17
|
14
|
6
|
17
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20051 |
91 |
| EADS Construcciones Aeronauticas, S.A. | 54 |
19 |
| Israel Aerospace Industries Ltd. | 521 |
18 |
| Sikorsky Aircraft Corporation | 1104 |
11 |
| Defensya Ingeniería Internacional, S.L | 23 |
11 |
| Macdonald, Dettwiler and Associates Inc. | 141 |
7 |
| Cobham Missions Systems Wimborne Limited | 10 |
6 |
| Raytheon Company | 8393 |
4 |
| Ampaire, Inc. | 56 |
4 |
| GE Aviation Systems LLC | 583 |
4 |
| SZ DJI Technology Co., Ltd | 6847 |
4 |
| Airbus Operations Limited | 1260 |
3 |
| Airbus Defence and Space, S.A. | 95 |
3 |
| BAE SYSTEMS plc | 2339 |
3 |
| Embraer S.A. | 397 |
3 |
| MacDonald Dettwiler & Associates Inc. | 13 |
3 |
| Onstation Corporation | 4 |
3 |
| Brulic Ltd | 3 |
3 |
| Continental Autonomous Mobility US, LLC | 279 |
3 |
| General Electric Company | 13767 |
2 |
| Other owners | 79 |