| 2023/0365,244 | High-Altitude Wind Turbine Aircraft System and Method of Use | Apr 26, 23 | Nov 16, 23 | Not available |
| 2021/0188,415 | UNMANNED ELLIPSOID MULTI-ROTOR AIRSHIP AND RESPECTIVE METHOD OF CONSTRUCTION | Feb 03, 21 | Jun 24, 21 | ELIO TECNOLOGIA, SERVIÇOS E PARTICIPAÇOES LTDA. |
| 2020/0361,589 | A METHOD FOR TRANSPORTING A PAYLOAD TO A TARGET LOCATION, AND RELATED HYBRID AIRSHIP | Nov 13, 17 | Nov 19, 20 | Total SA; FLYING WHALES; |
| 2020/0079,487 | UNMANNED AERIAL VEHICLE HAVING BUOYANCY APPARATUS AND ATTITUDE CONTROL METHOD THEREOF | Dec 12, 18 | Mar 12, 20 | Korea Institute of Science and Technology |
| 2018/0319,476 | UNMANNED ELLIPSOID MULTI-ROTOR AIRSHIP AND RESPECTIVE METHOD OF CONSTRUCTION | Nov 04, 16 | Nov 08, 18 | Not available |
| 2018/0050,785 | AIRSHIP INCLUDING AERODYNAMIC, FLOATATION, AND DEPLOYABLE STRUCTURES | Aug 11, 17 | Feb 22, 18 | JG ENTREPRENEURIAL ENTERPRISES LLC |
| 2017/0349,260 | HYBRID BALLOON-MULTICOPTER AND METHOD | Jun 01, 16 | Dec 07, 17 | Not available |
| 2012/0273,608 | HYBRID LIFT AIR VEHICLE | May 21, 09 | Nov 01, 12 | Not available |
| 2008/0121,753 | Positive lift vehicle | Jun 13, 07 | May 29, 08 | Not available |
| 2005/0258,305 | Dual hull airship controlled by thrust vectoring | Aug 11, 03 | Nov 24, 05 | POLITECNICO DI TORINO, Nautilus S.p.A., |
| 2005/0242,239 | Method for VTOL aircraft landing with external load | May 03, 04 | Nov 03, 05 | SIKORSKY AIRCRAFT CORPORATION |
| 2005/0173,591 | AIRSHIP AND METHOD OF OPERATION | Nov 24, 03 | Aug 11, 05 | 21ST CENTURY AIRSHIP TECHNOLOGIES INC. |
| 2004/0129,831 | Vertical lift aircraft having an enclosed rotary wing | Jan 02, 03 | Jul 08, 04 | Not available |
| 2002/0014,555 | Method for altitude control and/or pitch angle control of airships, and an airship having a device for altitude control and/or pitch angle trimming | Feb 22, 01 | Feb 07, 02 | CargoLifter AG |
| 2002/0003,189 | Articulated drive | Jul 11, 01 | Jan 10, 02 | Not available |