- All sections
- B - Performing operations; transporting
- B64B - Lighter-than-air aircraft
- B64B 1/52 - Captive balloons attaching trailing entanglements
Patent holdings for IPC class B64B 1/52
Total number of patents in this class: 12
10-year publication summary
|
2
|
0
|
1
|
3
|
1
|
1
|
2
|
2
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altaeros Energies, Inc. | 17 |
4 |
| Centre National d'Etudes Spatiales | 408 |
1 |
| Raven Industries, Inc. | 262 |
1 |
| Dongguan Frontier Technology Institute | 26 |
1 |
| Altave Indústria, Comércio Exportação de Aeronaves S.A. | 2 |
1 |
| Altave Indústria, Comércio e Exportação de Aeronaves S a | 1 |
1 |
| Wind Fisher | 2 |
1 |
| Star Engineering | 1 |
1 |
| Lux Aerobot inc. | 1 |
1 |
| Other owners | 0 |