Patents by Inventor Dale Befus

Dale Befus 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).

  • Apparatus and method for heating ground
    Patent number: 8544460
    Abstract: An apparatus and method is provided for preparing frozen ground for construction-type work includes using arrays of heat sources placed over the surface to be heated. The apparatus can warm the surface in preparation for the construction activity with energy penetrating into the ground affording efficient thawing of materials below 20 centimeters of depth. Heat sources used in the array can include emitted infrared radiation.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: October 1, 2013
    Inventor: Dale Befus
  • Apparatus and Method for Heating Ground
    Publication number: 20130062034
    Abstract: An apparatus and method is provided for preparing frozen ground for construction-type work includes using arrays of heat sources placed over the surface to be heated. The apparatus can warm the surface in preparation for the construction activity with energy penetrating into the ground affording efficient thawing of materials below 20 centimeters of depth. Heat sources used in the array can include emitted infrared radiation.
    Type: Application
    Filed: November 17, 2011
    Publication date: March 14, 2013
    Inventor: Dale Befus