- All sections
- B - Performing operationstransporting
- B64B - Lighter-than-air aircraft
- B64B 1/44 - Balloons adapted to maintain predetermined altitude
Patent holdings for IPC class B64B 1/44
Total number of patents in this class: 75
10-year publication summary
|
21
|
6
|
7
|
11
|
15
|
9
|
7
|
7
|
5
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Space Perspective Inc. | 30 |
12 |
| World View Enterprises, Inc. | 43 |
8 |
| Aerostar International, LLC | 157 |
8 |
| Space Balloon Technologies Corp. | 6 |
5 |
| Loon LLC | 78 |
4 |
| The Thin Red Line Aerospace Ltd. | 6 |
3 |
| Google Inc. | 4054 |
2 |
| Raytheon Company | 8448 |
2 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2298 |
2 |
| Raven Industries, Inc. | 341 |
2 |
| Ridengineering | 2 |
2 |
| X Development LLC | 1392 |
2 |
| Aeronext Inc. | 188 |
2 |
| NTT DoCoMo, Inc. | 14702 |
1 |
| Northrop Grumman Systems Corporation | 2921 |
1 |
| Boston Engineering Corporation | 20 |
1 |
| European Aeronautic Defence and Space Company EADS France | 171 |
1 |
| Kabushiki Kaisya Leben Hanbai | 51 |
1 |
| New Create Ltd. | 1 |
1 |
| SoftBank Corp. | 880 |
1 |
| Other owners | 14 |