Patents by Inventor Itshaq Lipsker

Itshaq Lipsker 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).

  • Drilling means serving as ground anchor and method
    Patent number: 4761098
    Abstract: A ground- or soil anchor is prepared and placed in the ground by drilling a bore hole at the chosen site by means of a drilling assembly which comprises an elongated tubular member which serves as drive shaft for the drill, which latter has tapering rear end and is designed to be pulled into the said tubular member, the leading end of which is split so that the parts thereof-on the drill being pulled into it-are spread apart and are eventually embedded in grout inserted into the bore hole.
    Type: Grant
    Filed: June 18, 1987
    Date of Patent: August 2, 1988
    Inventor: Itshaq Lipsker