Patents by Inventor Guy Adolf August Cortvrindt

Guy Adolf August Cortvrindt 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).

  • Soil displacement auger head for installing piles in the soil
    Patent number: 5722498
    Abstract: Soil displacement auger head for installing piles in the soil, having a tip, a displacement body having at least over a lower portion a core diameter increasing in diameter in a direction away from the tip, and at least one screw flange extending at least over the lower portion of the displacement body. To obtain a more efficient displacement, the pitch of the screw flange increases and the core diameter of the displacement body increases preferably discontinuously via a number of transition slopes.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: March 3, 1998
    Assignee: Hareninvest
    Inventors: William Frans Van Impe, Guy Adolf August Cortvrindt