Patents by Inventor Ernst G. Frankel

Ernst G. Frankel 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).

  • Floatable structure
    Patent number: 5125769
    Abstract: A structure that is floatable on a ocean surface and that is fixable relative to an ocean bottom. The structure includes an array of floatable, submersible caissons and a floatable box girder capable of supporting a modular superstructure. The box girder is floated to a position on the ocean surface above the submerged array of caissons. The array of caissons is then raised to engage and connect with the box girder. The caissons may also be secured to the ocean bottom.
    Type: Grant
    Filed: January 16, 1991
    Date of Patent: June 30, 1992
    Inventors: Kyu Lee, Ernst G. Frankel