Patents Assigned to Vickars Development Co. Ltd.
  • Method and apparatus for forming piles in place
    Patent number: 6435776
    Abstract: A screw pier has an elongated shaft with a screw adjacent one end thereof. Soil displacing members are disposed on the shaft. The soil displacing members may be drawn through soil by turning the screw. A soil displacing member closer to the screw may be smaller than one or more soil displacing members farther from the screw. A driving tool may be provided for turning the screw.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: August 20, 2002
    Assignee: Vickars Development Co. Ltd.
    Inventors: Robert Alfred Vickars, Jeremiah Charles Tilney Vickars, Gary Matheus Toebosch