- All sections
- B - Performing operationstransporting
- B64B - Lighter-than-air aircraft
- B64B 1/20 - Rigid airshipsSemi-rigid airships provided with wings or stabilising surfaces
Patent holdings for IPC class B64B 1/20
Total number of patents in this class: 45
10-year publication summary
|
5
|
2
|
8
|
3
|
6
|
6
|
9
|
4
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| H2 Clipper, Inc. | 29 |
4 |
| The United States of America as represented by the Secretary of the Air Force | 843 |
3 |
| Galaxy Unmanned Systems LLC | 4 |
3 |
| Athene Works Limited | 3 |
2 |
| Dirisolar | 2 |
2 |
| New United Group Co.,Ltd | 18 |
2 |
| Pliant Energy Systems LLC | 21 |
2 |
| Shanghai Jiao Tong University | 1202 |
2 |
| Egan Airships, Inc. | 5 |
2 |
| Hybrid-Airplane Technologies GmbH | 5 |
2 |
| The Boeing Company | 20043 |
1 |
| Airbus S.A.S. | 904 |
1 |
| Harris Corporation | 1433 |
1 |
| Airbus Group SAS | 83 |
1 |
| Hyalta Aeronautics, Inc. | 17 |
1 |
| Hybrid Air Vehicles Limited | 13 |
1 |
| Iii-solutions GmbH | 11 |
1 |
| LTA Corporation | 16 |
1 |
| Solar Ship Inc. | 9 |
1 |
| South China Agricultural University | 139 |
1 |
| Other owners | 11 |