- 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 37/20 - Emptying systems
Patent holdings for IPC class B64D 37/20
Total number of patents in this class: 31
10-year publication summary
|
2
|
2
|
3
|
1
|
3
|
3
|
1
|
1
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Airbus Operations Limited | 1217 |
3 |
| Gulfstream Aerospace Corporation | 665 |
3 |
| General Electric Company | 17783 |
2 |
| Airbus Helicopters | 962 |
2 |
| Mitsubishi Aircraft Corporation | 139 |
2 |
| Airbus Operations GmbH | 3288 |
1 |
| Airbus Operations S.A.S. | 2441 |
1 |
| Airbus Operations S.L. | 530 |
1 |
| Hamilton Sundstrand Corporation | 4724 |
1 |
| Age Logistics Corporation | 5 |
1 |
| Commercial Aircraft Corporation of China, Ltd | 154 |
1 |
| Commercial Aircraft Corporation of China, Ltd Shanghai Aircraft Design and Research Institute | 75 |
1 |
| Elisen Technologies Inc. | 1 |
1 |
| Embraer S.A. | 390 |
1 |
| Honda Patents & Technologies North America, LLC | 32 |
1 |
| I-on Communications Co., Ltd. | 47 |
1 |
| IHI Corporation | 3358 |
1 |
| Long Range AG | 2 |
1 |
| Safran Aircraft Engines | 6031 |
1 |
| Sikorsky Aircraft Corporation | 1126 |
1 |
| Other owners | 4 |