Patents by Inventor Donald R. Dahlgren

Donald R. Dahlgren 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).

  • Patent number: 9226527
    Abstract: Socks with ribs, channels and padding positioned to facilitate moisture movement from the interior of the sock upwardly and outwardly from a shoe or boot to aid in maintaining a dry condition for a sock and footwear. The sock heel may have an ankle open end that is connected to a leg portion. The tubular portion of the sock has multiple tube ribs transversally positioned and longitudinally spaced apart to form multiple tube channels wherein the tube ribs are formed by at least one additional yarn of material extending from an inner surface of the tubular portion. A portion of the multiple tube ribs are curved from a straight line on at least a portion of the inner surface to extend upwardly into the instep portion and may curve towards the heel portion. The toe portion of the sock may have toe ribs extending upwardly toward the instep portion.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: January 5, 2016
    Inventors: Peter D. Dahlgren, Donald R. Dahlgren
  • Publication number: 20150047103
    Abstract: Socks with ribs, channels and padding positioned to facilitate moisture movement from the interior of the sock upwardly and outwardly from a shoe or boot to aid in maintaining a dry condition for a sock and footwear. The sock heel may have an ankle open end that is connected to a leg portion. The tubular portion of the sock has multiple tube ribs transversally positioned and longitudinally spaced apart to form multiple tube channels wherein the tube ribs are formed by at least one additional yarn of material extending from an inner surface of the tubular portion. A portion of the multiple tube ribs are curved from a straight line on at least a portion of the inner surface to extend upwardly into the instep portion and may curve towards the heel portion. The toe portion of the sock may have toe ribs extending upwardly toward the instep portion.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Inventors: Peter D. Dahlgren, Donald R. Dahlgren