Patents by Inventor Raphael Aris

Raphael Aris 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).

  • Waterproofing dams and the like
    Patent number: 4834579
    Abstract: A dam formed of roll-compacted concrete having an upstream side and a downstream side is provided with an impermeable membrane curtain. The curtain includes a vertical planar wall portion extending for the full depth of the dam and transversely for the full width of the dam. A series of vertical ribs are connected to and spaced transversely along the curtain. The ribs project toward the upstream side of the dam and extend for the full depth of the dam.
    Type: Grant
    Filed: November 23, 1987
    Date of Patent: May 30, 1989
    Assignee: Soletanche, Societe Anonyme Dite
    Inventors: Raphael Aris, Pierre Couprie, Daniel Gouvenot