Patents by Inventor Rick D. Stoneking

Rick D. Stoneking 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).

  • Continuous process for coloring particulate materials
    Publication number: 20030170385
    Abstract: A process for coloring high-volumes of sand, stone, and other particulate material by continuously feeding the non-colored particulate material, one or more colorants, and an adhesive binder into a mixer and continuously mixing these materials. During the mixing process, colored particulate material is continuously being removed and transported away from the process as a colored end product.
    Type: Application
    Filed: February 6, 2003
    Publication date: September 11, 2003
    Inventors: Scott P. Thompson, Rick D. Stoneking