- 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: 42
10-year publication summary
|
2
|
3
|
1
|
3
|
3
|
1
|
1
|
6
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Airbus Operations Limited | 1362 |
4 |
| Gulfstream Aerospace Corporation | 680 |
3 |
| General Electric Company | 14010 |
2 |
| Airbus Helicopters | 956 |
2 |
| Mitsubishi Aircraft Corporation | 124 |
2 |
| Safran AeroSystems | 306 |
2 |
| Jetzero, Inc. | 124 |
2 |
| The Boeing Company | 20217 |
1 |
| Pratt & Whitney Canada Corp. | 5594 |
1 |
| Airbus Operations GmbH | 3482 |
1 |
| Airbus Operations S.A.S. | 2583 |
1 |
| Airbus Operations S.L. | 561 |
1 |
| Hamilton Sundstrand Corporation | 5013 |
1 |
| Age Logistics Corporation | 5 |
1 |
| Commercial Aircraft Corporation of China, Ltd | 182 |
1 |
| Commercial Aircraft Corporation of China, Ltd Shanghai Aircraft Design and Research Institute | 75 |
1 |
| Deutsche Lufthansa AG | 167 |
1 |
| Elisen Technologies Inc. | 1 |
1 |
| Embraer S.A. | 422 |
1 |
| Honda Patents & Technologies North America, LLC | 30 |
1 |
| Other owners | 12 |