Patents by Inventor Darrell Edward Littrell

Darrell Edward Littrell 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).

  • Clip System and Clips for Affixing Insulation
    Publication number: 20180363687
    Abstract: This disclosure relates to a clip system and clips for affixing insulation. Clips are taught which include a base, a spacer extending therefrom, and a head attached to the spacer opposite the base. The head of a T-clip has a laterally extending portion in a parallel relationship with the base. The head of an A-clip has a generally arrow head shaped cross section. At least one T-clip and at least one A-clip comprise the clip system. The clips are preferably used to affix insulation to the exterior of a wall using two-sided tape attached to the base rear of each clip.
    Type: Application
    Filed: June 14, 2017
    Publication date: December 20, 2018
    Inventors: Darrell Edward Littrell, Luke Thomas Wallis, Steven D. Hagan, Jarrod L. McGraw, Anthony C. Schauberger
  • Clip for affixing insulation
    Patent number: D831474
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: October 23, 2018
    Assignee: Sunron International LLC
    Inventors: Darrell Edward Littrell, Luke Thomas Wallis, Steven D. Hagan, Jarrod L. McGraw, Anthony C. Schauberger
  • Clip for affixing insulation
    Patent number: D841448
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: February 26, 2019
    Assignee: Sunron International LLC
    Inventors: Darrell Edward Littrell, Luke Thomas Wallis, Steven D. Hagan, Jarrod L. McGraw, Anthony C. Schauberger