Patents by Inventor Mordechai Yuger

Mordechai Yuger 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).

  • Publication number: 20080205989
    Abstract: There is provided a method of constructing a section of a half-tunnel in a slope (10) of a mountain or hill (12), including the steps of forming a lock block (18) along the section (16) above the upper edge of the half-tunnel to be excavated, inserting lock elements (22) traversing the lock block and extending into the mountain, excavating portions of the mountain beyond and below the lock block defining roof and bottom portions of the half-tunnel, and repeating the excavating procedure until the entire section of the half-tunnel is formed.
    Type: Application
    Filed: July 26, 2006
    Publication date: August 28, 2008
    Inventors: Mordechai Yuger, Shlomo Liberman
  • Patent number: 4770256
    Abstract: Soil drilling tools are provided with at least two sidewardly movable plate members adapted to exert pressure on the wall of a bore hole to prevent a cave in.
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: September 13, 1988
    Inventors: Yitshaq Lipsker, Mordechai Yuger