Patents by Inventor John E. Larsen, Jr.

John E. Larsen, Jr. 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).

  • Integrated post and jack system
    Publication number: 20110088336
    Abstract: An adjustable leveling system for leveling foundations subject to subsidence and frost heave and is particularly suited for use in permafrost and cold regions as characterized by an adjustable leveling system comprising a base for supporting a hydraulic leveling jack wherein the leveling jack has a hollow support tube mounted thereon and the support tube extends upwardly from the hydraulic jack.
    Type: Application
    Filed: October 19, 2009
    Publication date: April 21, 2011
    Inventor: John E. Larsen, JR.
  • Piling solution
    Patent number: 6793443
    Abstract: An anti-jacking pile solution particularly suited for use in permafrost or cold regions. The pile includes bond breaking material for preventing frozen soil from directly gripping a pile near the surface of the soil and pulling the pile upward. A collar is attached to the pile to prevent damage and/or displacement of the bond breaking material during driving of the pile. The pile may be attached to a building by way of an adjustable connection system allowing for future adjustments in the event of vertical movement.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: September 21, 2004
    Inventor: John E. Larsen, Jr.
  • Piling solution
    Patent number: 6616381
    Abstract: An anti-jacking pile solution particularly suited for use in permafrost or cold regions. The pile includes bond breaking material for preventing frozen soil from directly gripping a pile near the surface of the soil and pulling the pile upward. A collar is attached to the pile to prevent damage and/or displacement of the bond breaking material during driving of the pile. The pile may be attached to a building by way of an adjustable connection system allowing for future adjustments in the event of vertical movement.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: September 9, 2003
    Inventor: John E. Larsen, Jr.