- 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 39/00 - Refuelling during flight
Patent holdings for IPC class B64D 39/00
Total number of patents in this class: 278
10-year publication summary
|
20
|
28
|
21
|
23
|
14
|
17
|
14
|
6
|
15
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19909 |
88 |
| EADS Construcciones Aeronauticas, S.A. | 54 |
19 |
| Israel Aerospace Industries Ltd. | 516 |
18 |
| Sikorsky Aircraft Corporation | 1126 |
11 |
| Defensya Ingeniería Internacional, S.L | 23 |
11 |
| Macdonald, Dettwiler and Associates Inc. | 115 |
7 |
| Cobham Missions Systems Wimborne Limited | 10 |
6 |
| Raytheon Company | 8435 |
4 |
| GE Aviation Systems LLC | 572 |
4 |
| SZ DJI Technology Co., Ltd | 6809 |
4 |
| Airbus Operations Limited | 1217 |
3 |
| Ampaire, Inc. | 55 |
3 |
| BAE SYSTEMS plc | 2292 |
3 |
| Embraer S.A. | 390 |
3 |
| MacDonald Dettwiler & Associates Inc. | 14 |
3 |
| Smiths Aerospace LLC | 11 |
3 |
| Brulic Ltd | 3 |
3 |
| Continental Autonomous Mobility US, LLC | 270 |
3 |
| General Electric Company | 17783 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3721 |
2 |
| Other owners | 78 |