Patents by Inventor Ronald Lee Harper

Ronald Lee Harper 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).

  • ENGRAVED ROLLER FOR FLEXOGRAPHIC AND GRAVURE PRINTING
    Publication number: 20210070032
    Abstract: A roller for use with a printing apparatus to transfer a liquid to a plate or substrate is provided. The roller, also referred to as a cylinder, has an engraved surface with a linear cell-contained channel engraving pattern. The linear cell-contained channel engraving pattern has a linear channel at a channel engraved angle and a plurality of cells with pockets at a cell pocket positioned angle located within the linear channel. An engraving pattern and method of using the pattern to reduce spitting in printing processes are provided.
    Type: Application
    Filed: September 3, 2020
    Publication date: March 11, 2021
    Inventors: Ronald Lee Harper, Anthony Gene Donato, Sean Franklin Teufler