Patents by Inventor Paul G. Mikoalj

Paul G. Mikoalj 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: 4142972
    Abstract: Material such as an oil slick floating on a body of liquid, ordinarily water, is collected by a mechanism comprising an impeller beneath the liquid surface and a rotatable tubular element which together form a free vortex as the surface of the body of liquid that draws the material into a vortex pocket from which it can be pumped.
    Type: Grant
    Filed: May 3, 1977
    Date of Patent: March 6, 1979
    Assignee: Scientific Associates, Inc.
    Inventors: Eugene B. Nebeker, Sergio E. Rodriguez, Paul G. Mikoalj