Patents by Inventor Alan James Lutenegger

Alan James Lutenegger 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).

  • Helical pile leads and extensions
    Patent number: 10221538
    Abstract: The present disclosure provides helical pile leads and extensions with closely spaced perimeter shear helical plates that develop a cylindrical failure surface between the perimeter shear helical plates and soil as the helical pile is rotated into the ground, mobilizing soil-to-soil shear strength, and thus increasing the stability, stiffness and load capacity of the helical pile.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: March 5, 2019
    Assignee: Hubbell Incorporated
    Inventors: Alan James Lutenegger, Gary Leonard Seider
  • HELICAL PILE LEADS AND EXTENSIONS
    Publication number: 20160145824
    Abstract: The present disclosure provides helical pile leads and extensions with closely spaced perimeter shear helical plates that develop a cylindrical failure surface between the perimeter shear helical plates and soil as the helical pile is rotated into the ground, mobilizing soil-to-soil shear strength, and thus increasing the stability, stiffness and load capacity of the helical pile.
    Type: Application
    Filed: November 25, 2014
    Publication date: May 26, 2016
    Inventors: Alan James Lutenegger, Gary Leonard Seider