- 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: 27
10-year publication summary
5
|
2
|
2
|
3
|
1
|
3
|
3
|
1
|
1
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Airbus Operations Limited | 1157 |
3 |
Gulfstream Aerospace Corporation | 658 |
3 |
Airbus Helicopters | 984 |
2 |
Mitsubishi Aircraft Corporation | 197 |
2 |
General Electric Company | 18133 |
1 |
Airbus Operations S.L. | 511 |
1 |
Hamilton Sundstrand Corporation | 4525 |
1 |
Age Logistics Corporation | 5 |
1 |
Commercial Aircraft Corporation of China, Ltd | 141 |
1 |
Commercial Aircraft Corporation of China, Ltd Shanghai Aircraft Design and Research Institute | 75 |
1 |
Elisen Technologies Inc. | 1 |
1 |
Embraer S.A. | 369 |
1 |
Honda Patents & Technologies North America, LLC | 32 |
1 |
I-on Communications Co., Ltd. | 44 |
1 |
IHI Corporation | 3268 |
1 |
Long Range AG | 2 |
1 |
Safran Aircraft Engines | 5739 |
1 |
Sikorsky Aircraft Corporation | 1150 |
1 |
Tecalemit Aerospace | 3 |
1 |
Zeroavia, Inc. | 103 |
1 |
Other owners | 1 |