Patents by Inventor April Heath

April Heath 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).

  • DUAL APPLICATION OF ROOFING GRANULES TO BITUMINOUS ROOFING MATERIAL
    Publication number: 20230357083
    Abstract: A method of manufacturing a bituminous roofing membrane may include saturating a nonwoven material with a bituminous material to form a bituminous membrane. The method may include applying a first granular material to a top surface of the bituminous membrane. The method may include removing at least some of the first granular material that has not adhered to the bituminous membrane. The method may include heating the bituminous membrane. The method may include applying a second granular material to the bituminous membrane while the bituminous membrane is in a generally planar configuration.
    Type: Application
    Filed: May 4, 2022
    Publication date: November 9, 2023
    Inventors: Casey Hill, Shelby Kay Dewhurst, April Heath