Patents by Inventor Gideon Sinai

Gideon Sinai 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).

  • Method of sealing soil and other materials against the leakage of liquids and gases
    Patent number: 4154549
    Abstract: Seepage of water through soil is considerably reduced by providing plural layers of adjacent, thin impermeable strips wherein the strips of an overlayer are staggered by a half strip's width with regard to the strips of the underlayer, and the widths of the strips are substantially greater than the gaps between adjacent strips and the space between layers.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: May 15, 1979
    Assignee: Technion Research & Development Foundation Ltd.
    Inventors: Dan Zaslavsky, Giora Biran, Gideon Sinai
  • Method of laying subsoil membranes
    Patent number: 4098089
    Abstract: A method for laying subsoil membranes includes dragging a hollow cutting blade through the soil at a predetermined depth, providing a supply of sheeting to the interior of the blade and feeding the sheeting from the interior of the blade through an opening therein. The hollow blade has a cutting edge, a rear edge and an upper section having an upwardly sloping front portion and a downwardly sloping rear portion connected by a center portion. The bottom portion of the blade slopes in an upward direction from its front to form a release angle. The sheet material is fed out of an opening in the rear of the blade.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: July 4, 1978
    Assignee: Technion Research and Development Foundation, Ltd.
    Inventors: Dan Zaslavsky, Gideon Sinai, Giora Biran