| 9981731 | AMR system with fly-by mode | Jul 05, 16 | May 29, 18 | Not available |
| 9828081 | Negative pressure vessel | Mar 27, 14 | Nov 28, 17 | X DEVELOPMENT LLC |
| 9828082 | Airship having a cargo compartment | Nov 04, 14 | Nov 28, 17 | Not available |
| 9828107 | Redundant component and intelligent computerized control system for multi-rotor VTOL aircraft | Aug 25, 15 | Nov 28, 17 | STC.UNM |
| 9789947 | Aerostat system with extended flight envelope | Jan 17, 13 | Oct 17, 17 | ALTAEROS ENERGIES, INC. |
| 9745042 | Airship including aerodynamic, floatation, and deployable structures | Aug 19, 16 | Aug 29, 17 | Not available |
| 9669917 | Airship launch from a cargo airship | Oct 03, 14 | Jun 06, 17 | Not available |
| 9522733 | Airship launch from a cargo airship | Jan 10, 12 | Dec 20, 16 | STRATOSPHERIC AIRSHIPS, LLC |
| 9493223 | System, method and apparatus for widespread commercialization of hydrogen as a carbon-free alternative fuel source | Jul 04, 14 | Nov 15, 16 | CITIZENS BANK, NATIONAL ASSOCIATION |
| 9474265 | Methods and systems for directing birds away from equipment | Nov 27, 12 | Oct 25, 16 | ELWHA LLC |
| 9363954 | Atmospheric delivery system | Dec 15, 10 | Jun 14, 16 | Davidson Technology Limited |
| 9334051 | Apparatus for servicing a detector of a fire safety system | Feb 28, 14 | May 10, 16 | SIEMENS INDUSTRY, INC. |
| 9266597 | Aerostructure for rigid body airship | Aug 01, 11 | Feb 23, 16 | Worldwide Aeros Corporation |
| 9126669 | Lighter-than-air systems, methods, and kits for obtaining aerial images | Dec 12, 13 | Sep 08, 15 | Ciampa, John |
| 9103319 | Wind turbine generator service by airship | Jun 15, 10 | Aug 11, 15 | VESTAS WIND SYSTEMS A/S |
| 9045234 | Method for airborne kinetic energy conversion | Apr 04, 13 | Jun 02, 15 | SUNLIGHT PHOTONICS INC., SUNLIGHT PHOTONICS, |
| 9030203 | Portable unmanned airship for magnetic-force surveying and a magnetic-force surveying system employing the same | Oct 29, 09 | May 12, 15 | KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES, Korea Institute of Geosciences and Mineral Resources, |
| 9022315 | Wind turbine generator installation by airship | Jun 15, 10 | May 05, 15 | VESTAS WIND SYSTEMS A/S |
| 9004397 | Autonomous stratospheric unmanned airship | Aug 19, 11 | Apr 14, 15 | HIPERSFERA D.O.O. |
| 9000605 | Lighter-than-air craft for energy-producing turbines | Aug 03, 12 | Apr 07, 15 | ALTAEROS ENERGIES, INC. |