Patents by Inventor Hyun Gun Yu

Hyun Gun Yu 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).

  • Hip and ridge roofing shingle
    Patent number: 9290943
    Abstract: A shingle blank includes a substrate coated with asphalt. A substantially V-shaped perforated cut line is formed in the substrate, and a substantially straight cut line extends from an apex the V-shaped perforated line toward a leading edge of the shingle blank. The V-shaped perforated cut line and the substantially straight cut line are structured and configured to facilitate separation of the shingle blank into discrete portions.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: March 22, 2016
    Assignee: Owens Corning Intellectual Capital, LLC
    Inventors: Lawrence J. Grubka, Jennifer L. Frey, Hyun Gun Yu, Hun Song
  • HIP AND RIDGE ROOFING SHINGLE
    Publication number: 20130177728
    Abstract: A shingle blank includes a substrate coated with asphalt. A substantially V-shaped perforated cut line is formed in the substrate, and a substantially straight cut line extends from an apex the V-shaped perforated line toward a leading edge of the shingle blank. The V-shaped perforated cut line and the substantially straight cut line are structured and configured to facilitate separation of the shingle blank into discrete portions.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 11, 2013
    Applicant: OWENS CORNING INTELLECTUAL CAPITAL, LLC
    Inventors: Lawrence J. Grubka, Jennifer L. Frey, Hyun Gun Yu, Hun Song