Patents by Inventor James H. Yim

James H. Yim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6364251
    Abstract: The airwing structure according to the present invention comprises of an airfoil structure, a main frame, and a means for providing a downward and a forward tension on the airfoil structure. The airfoil structure further comprises of a leading edge, a trailing edge, a left edge, a right edge, a central wing root, and a plurality of chord lines. Moreover, the airfoil structure comprises of a substantially flexible surface skin and the airfoil structure also has a downward arc for producing lift by aerodynamic forces exerted thereon. The main frame attached to the airfoil structure comprises of a leading bar and a supporting bar. The leading bar is fixedly attached to the leading edge supporting and maintaining the leading edge from collapsing. The supporting bar is attached to the leading bar and attached to the trailing edge supporting and maintaining the airfoil structure from collapsing.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: April 2, 2002
    Inventor: James H. Yim