Patents by Inventor Ruben J. Andersson

Ruben J. Andersson 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: 4483034
    Abstract: An apparatus for absorbing liquid such as water from a surface such as the ground comprises a compressible, absorbant body. According to the invention the absorbant body comprises a plurality of circular discs of absorbant material, each pair of adjacent discs being sealed off from each other by means of an interposed foil such as a plastics foil so that upon compression of the body each disc will discharge its liquid such as water at the edge portion of the disc.
    Type: Grant
    Filed: March 6, 1984
    Date of Patent: November 20, 1984
    Inventor: Ruben J. Andersson