- All sections
- B - Performing operationstransporting
- B64B - Lighter-than-air aircraft
- B64B 1/38 - Controlling position of centre of gravity
Patent holdings for IPC class B64B 1/38
Total number of patents in this class: 16
10-year publication summary
|
2
|
2
|
4
|
1
|
2
|
2
|
0
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Athene Works Limited | 3 |
2 |
| Egan Airships, Inc. | 5 |
2 |
| Flying Whales | 53 |
2 |
| Aerostar International, LLC | 155 |
2 |
| NTT DoCoMo, Inc. | 12779 |
1 |
| Ebara Corporation | 2143 |
1 |
| Altaeros Energies, Inc. | 18 |
1 |
| Noce S.r.l. | 1 |
1 |
| Raven Industries, Inc. | 299 |
1 |
| Hybrid-Airplane Technologies GmbH | 5 |
1 |
| Shenzhen Kuang-chi Space Tech. Co. Ltd. | 53 |
1 |
| Tethercells Limited | 5 |
1 |
| Other owners | 0 |