Patents by Inventor Harold Sheldon Watkins

Harold Sheldon Watkins 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).

  • Patent number: 11964300
    Abstract: A device and process for applying a quick dry rapid set aqueous solution. An indicator of a selected color and composition is added to an accelerator to be applied along with a resin. The tinted color indicator is typically blue and allows the user to determine if the proper mixture is being applied. The indicator is visible only during application and disappears after application. The resin and accelerator are applied using an airless spray mechanism with delivery systems and spray gun. The spray gun has 2 nozzles and the capability to set the angle between the nozzles.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: April 23, 2024
    Assignee: Polyglass S.p.A.
    Inventors: David Farrell, Robert Salars, Shawn Carney, Harold Sheldon Watkins, Betiana A. Acha, Ariel Lender, Louis L. Grube
  • Publication number: 20200254481
    Abstract: A device and process for applying a quick dry rapid set aqueous solution. An indicator of a selected color and composition is added to an accelerator to be applied along with a resin. The tinted color indicator is typically blue and allows the user to determine if the proper mixture is being applied. The indicator is visible only during application and disappears after application. The resin and accelerator are applied using an airless spray mechanism with delivery systems and spray gun. The spray gun has 2 nozzles and the capability to set the angle between the nozzles.
    Type: Application
    Filed: February 10, 2020
    Publication date: August 13, 2020
    Inventors: David Farrell, Robert Salars, Shawn Carney, Harold Sheldon Watkins, Betiana A. Acha, Ariel Lender, Louis L. Grube