- 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 37/20 - Emptying systems
Patent holdings for IPC class B64D 37/20
Total number of patents in this class: 39
10-year publication summary
|
2
|
3
|
1
|
1
|
3
|
1
|
1
|
5
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Airbus Operations Limited | 1309 |
4 |
| Gulfstream Aerospace Corporation | 675 |
3 |
| General Electric Company | 13815 |
2 |
| Airbus Helicopters | 934 |
2 |
| Mitsubishi Aircraft Corporation | 124 |
2 |
| Safran AeroSystems | 282 |
2 |
| The Boeing Company | 20113 |
1 |
| Pratt & Whitney Canada Corp. | 5184 |
1 |
| Airbus Operations GmbH | 3403 |
1 |
| Airbus Operations S.A.S. | 2510 |
1 |
| Airbus Operations S.L. | 553 |
1 |
| Hamilton Sundstrand Corporation | 5013 |
1 |
| Age Logistics Corporation | 5 |
1 |
| Commercial Aircraft Corporation of China, Ltd | 172 |
1 |
| Commercial Aircraft Corporation of China, Ltd Shanghai Aircraft Design and Research Institute | 75 |
1 |
| Deutsche Lufthansa AG | 164 |
1 |
| Elisen Technologies Inc. | 1 |
1 |
| Embraer S.A. | 404 |
1 |
| Honda Patents & Technologies North America, LLC | 31 |
1 |
| I-on Communications Co., Ltd. | 52 |
1 |
| Other owners | 10 |