Patents by Inventor George Atkins Walrath

George Atkins Walrath 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).

  • Polyurethane composite material, article comprising the material and method of manufacture
    Patent number: 11254817
    Abstract: The present disclosure relates generally to polyurethane matrix composite materials, for example, suitable for making an exterior cladding product for houses and other buildings. The present disclosure relates more particularly to a polymer matrix composite material including a polyurethane matrix and an inorganic filler in a range from 45% to 85% by weight of the composite material. The inorganic filler includes a first substance from the group consisting of calcium carbonate, sand, talc, kaolin clay, dolomite, feldspar and mica and any mixture thereof, and fly ash, and/or an iron oxide in a range from 0.5% to 7% by weight of the inorganic filler.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: February 22, 2022
    Assignee: CertainTeed LLC
    Inventors: Paul Ruede, Choung-Houng Lai, Nicky Chan, George Atkins Walrath, Olivia Gady
  • POLYURETHANE COMPOSITE MATERIAL, ARTICLE COMPRISING THE MATERIAL AND METHOD OF MANUFACTURE
    Publication number: 20190300703
    Abstract: The present disclosure relates generally to polyurethane matrix composite materials, for example, suitable for making an exterior cladding product for houses and other buildings. The present disclosure relates more particularly to a polymer matrix composite material including a polyurethane matrix and an inorganic filler in a range from 45% to 85% by weight of the composite material. The inorganic filler includes a first substance from the group consisting of calcium carbonate, sand, talc, kaolin clay, dolomite, feldspar and mica and any mixture thereof, and fly ash, and/or an iron oxide in a range from 0.5% to 7% by weight of the inorganic filler.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 3, 2019
    Inventors: Paul Ruede, Choung-Houng Lai, Nicky Chan, George Atkins Walrath, Olivia Gady