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US 2011/0215191 A1Published application
Vortex left platform
OwnerWilliam D. Gramlinginventor
Life of this patent
Estimating the term…
Abstract
Apparatus and method of using a generated vortex contained in a cylindrical enclosure to generate aerodynamic lift.
Claims12
Method and apparatus for aerodynamic lifting means comprising cylindrical enclosure, blower means and lift means.
Method and apparatus for aerodynamic lifting means comprising cylindrical enclosure with upper curved lip, blower means and lift means.
Dependencies are inferred from the claim text.