Patents by Inventor Eugene Hoefs

Eugene Hoefs 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).

  • Coating composition, system including the coating composition, and method for secure images
    Patent number: 9141009
    Abstract: A coating composition, system, and method for printing documents that are difficult to chemically or physically forge and that are easy to visually verify are disclosed. The system includes a substrate, a toner, including a colorant and a dye, a primary migration-enhancing coating applied using an offset printing process and optionally a secondary migration-enhancing coating applied using an offset printing process. An image formed using the toner of the invention is readily verified by comparing a colorant-formed image and a dye-formed image. In addition, if a solvent is used in an attempt to alter the printed image on the substrate, the dye migrates or diffuses to indicate tampering with the document.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: September 22, 2015
    Assignee: TROY GROUP, INC.
    Inventors: Eugene Hoefs, Michael R. Riley, Kevin L. Heilman
  • Coating composition including fluorescent material for producing secure images
    Patent number: 8747997
    Abstract: A coating composition, system, and method for printing documents that are difficult to chemically or physically forge and that are easy to visually verify are disclosed. The system includes a substrate, a toner, including a colorant and a dye, a coating including fluorescent material, e.g., a primary migration-enhancing coating, applied using an offset printing process and optionally a secondary migration-enhancing coating applied using an offset printing process. An image formed using the toner of the invention is readily verified by comparing a colorant-formed image and a dye-formed image and/or to a reverse negative imaged formed by the dye quenching the fluorescent material. In addition, if a solvent is used in an attempt to alter the printed image on the substrate, the dye migrates or diffuses to indicate tampering with the document.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: June 10, 2014
    Assignee: Troy Group, Inc.
    Inventors: Kevin L. Heilman, Eugene Hoefs, Michael R. Riley
  • COATING COMPOSITION INCLUDING FLUORESCENT MATERIAL FOR PRODUCING SECURE IMAGES
    Publication number: 20120171603
    Abstract: A coating composition, system, and method for printing documents that are difficult to chemically or physically forge and that are easy to visually verify are disclosed. The system includes a substrate, a toner, including a colorant and a dye, a coating including fluorescent material, e.g., a primary migration-enhancing coating, applied using an offset printing process and optionally a secondary migration-enhancing coating applied using an offset printing process. An image formed using the toner of the invention is readily verified by comparing a colorant-formed image and a dye-formed image and/or to a reverse negative imaged formed by the dye quenching the fluorescent material. In addition, if a solvent is used in an attempt to alter the printed image on the substrate, the dye migrates or diffuses to indicate tampering with the document.
    Type: Application
    Filed: October 18, 2010
    Publication date: July 5, 2012
    Applicant: Troy Group, Inc.
    Inventors: Kevin L. Heilman, Eugene Hoefs, Michael R. Riley
  • COATING COMPOSITION, SYSTEM INCLUDING THE COATING COMPOSITION, AND METHOD FOR SECURE IMAGES
    Publication number: 20100159137
    Abstract: A coating composition, system, and method for printing documents that are difficult to chemically or physically forge and that are easy to visually verify are disclosed. The system includes a substrate, a toner, including a colorant and a dye, a primary migration-enhancing coating applied using an offset printing process and optionally a secondary migration-enhancing coating applied using an offset printing process. An image formed using the toner of the invention is readily verified by comparing a colorant-formed image and a dye-formed image. In addition, if a solvent is used in an attempt to alter the printed image on the substrate, the dye migrates or diffuses to indicate tampering with the document.
    Type: Application
    Filed: August 18, 2009
    Publication date: June 24, 2010
    Applicant: Troy Group, Inc.
    Inventors: Eugene Hoefs, Michael R. Riley, Kevin L. Heilman