- All sections
- B - Performing operationstransporting
- B64B - Lighter-than-air aircraft
- B64B 1/64 - Gas-valve operating mechanisms
Patent holdings for IPC class B64B 1/64
Total number of patents in this class: 70
10-year publication summary
|
9
|
6
|
8
|
4
|
18
|
9
|
9
|
10
|
9
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Space Perspective Inc. | 30 |
13 |
| Aerostar International, LLC | 157 |
9 |
| Ltag Systems LLC | 40 |
8 |
| World View Enterprises, Inc. | 44 |
5 |
| Silicis Technologies, Inc. | 7 |
4 |
| Urban Sky | 8 |
4 |
| Loon LLC | 78 |
3 |
| Windborne Systems Inc. | 14 |
3 |
| Lockheed Martin Corporation | 3265 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2862 |
2 |
| Google Inc. | 4029 |
1 |
| Aerostar International, Inc. | 5 |
1 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2326 |
1 |
| Athene Works Limited | 3 |
1 |
| Beihang University | 563 |
1 |
| Meisei Electric Co., Ltd. | 15 |
1 |
| National Chiao Tung University | 507 |
1 |
| Pioneer Astronautics | 14 |
1 |
| University of Seoul Industry Cooperation Foundation | 311 |
1 |
| Head Full of Air LLC | 1 |
1 |
| Other owners | 7 |