Patents by Inventor Leo K. Lampinen

Leo K. Lampinen 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: 4837156
    Abstract: A vessel has a central longitudinal axis, a pair of trunnions defining a tilting axis, and a fixed bottom and a false bottom. The false bottom comprises at least one screen. At least one of the screens is affixed to the vessel by a plurality of hinges so as to allow the screens to freely swing from a first position to a second position as said vessel is tilted about the tilting axis.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: June 6, 1989
    Inventor: Leo K. Lampinen