Patents by Inventor Brian Frederick Shaeffer

Brian Frederick Shaeffer 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).

  • ROOFING PRODUCTS WITH IMPROVED TEAR STRENGTH
    Publication number: 20260226743
    Abstract: Various aspects are directed to roofing shingles and roofing underlayments comprising a nonwoven mat comprising a plurality of glass fibers having a specific toughness greater than or equal to 45 kPa/(kg/m3) bound together by a binder and an asphalt shingle coating composition applied to at least one side of the nonwoven mat. The roofing shingles and roofing underlayments exhibit an improvement in cross-direction (CD) tear resistance as compared to an otherwise identical roofing product having a nonwoven mat comprising a plurality of glass fibers having a specific toughness of less than 45 kPa/(kg/m3).
    Type: Application
    Filed: February 4, 2026
    Publication date: August 6, 2026
    Inventors: William Edwin Smith, Nardine Said Abadeer, Sunil Hiralal Jinandra, Ryan Robert Salata, Peter Bernard McGinnis, Brian Frederick Shaeffer, Stephanie Ann Pruzinsky