Patents by Inventor Brian Shaeffer

Brian 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).

  • MULTILAYER STRUCTURE WITH ENHANCED WALKABILITY
    Publication number: 20240183163
    Abstract: A roofing underlayment with enhanced walkability is provided. The roofing underlayment has a reinforcement, a film, and a plurality of gripping structures. The gripping structures are disposed on at least a portion of a first film surface of the film. The roofing underlayment has at least one of a coefficient of friction of between about 1.2 and about 1.8 when tested in dry condition using COF method 1, a coefficient of friction of between about 0.8 and about 1.5 when tested in wet condition using COF method 1, and a coefficient of friction of between about 0.5 and about 1.2 using COF method 1.
    Type: Application
    Filed: December 4, 2023
    Publication date: June 6, 2024
    Inventors: Stephanie Pruzinsky, Martin Vido, Toni Newsome, Brian Shaeffer, Marcos Cortes-Medina, Melissa Nogaj, Stephanie Maxson, Dinh Chi Pham