- 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 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: 8
10-year publication summary
|
0
|
1
|
2
|
0
|
1
|
0
|
2
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0
|
1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19843 |
2 |
| Airbus Operations GmbH | 3188 |
1 |
| Soochow University | 1605 |
1 |
| SmokeOn, LLC | 3 |
1 |
| J Hubbard Investments Pty Ltd | 1 |
1 |
| Root3 Labs, Inc. | 1 |
1 |
| Stark Aviation Pty Ltd | 1 |
1 |
| Other owners | 0 |