- 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 1/20 - Dropping or releasing powdered, liquid or gaseous matter, e.g. for fire-fighting for sky-writing
Patent holdings for IPC class B64D 1/20
Total number of patents in this class: 9
10-year publication summary
|
2
|
0
|
1
|
0
|
2
|
0
|
1
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20094 |
2 |
| SmokeOn, LLC | 4 |
2 |
| Airbus Operations GmbH | 3408 |
1 |
| Soochow University | 1768 |
1 |
| Root3 Labs, Inc. | 1 |
1 |
| China National Aero-technology Import & Export Corporation | 18 |
1 |
| Jiangxi Hongdu Aviat Ind Group | 2 |
1 |
| Other owners | 0 |