- All sections
- B - Performing operationstransporting
- B64B - Lighter-than-air aircraft
- B64B 1/50 - Captive balloons
Patent holdings for IPC class B64B 1/50
Total number of patents in this class: 98
10-year publication summary
|
15
|
9
|
12
|
10
|
13
|
17
|
11
|
11
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Altaeros Energies, Inc. | 18 |
8 |
| Aerostar International, LLC | 155 |
4 |
| The Boeing Company | 19960 |
3 |
| Google Inc. | 4262 |
3 |
| Microsoft Technology Licensing, LLC | 53473 |
3 |
| Stratosolar, Inc. | 3 |
3 |
| Tethercells Limited | 5 |
3 |
| AGCO International GmbH | 591 |
2 |
| CL Cargolifter GmbH & Co. KG A.A. | 3 |
2 |
| SoftBank Corp. | 630 |
2 |
| TCOM, LP, TCOM-GP, LLC, a Delaware limited liability company | 17 |
2 |
| Dongguan Frontier Technology Institute | 26 |
2 |
| Ltag Systems LLC | 35 |
2 |
| Skyacht Aircraft, Inc. | 4 |
2 |
| CNIM Systèmes Industriels | 9 |
2 |
| Aerospace Information Research Institute, Chinese Academy of Sciences. | 39 |
2 |
| High Hopes Labs Ltd. | 10 |
2 |
| Urban Sky Theory Inc. | 7 |
2 |
| Centre National de La Recherche Scientifique | 10266 |
1 |
| Hewlett-Packard Development Company, L.P. | 25991 |
1 |
| Other owners | 47 |