Patents by Inventor John Ringo

John Ringo 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).

  • Semiconductive members and belts
    Publication number: 20060118540
    Abstract: A semiconductive member has a polymer body filled with carbon black which is surface modified with azo linked organic molecules having an acid functional group. Control of conductivity is greatly improved and the strength of the member is improved by the reduced amount of filler required.
    Type: Application
    Filed: December 7, 2004
    Publication date: June 8, 2006
    Inventors: Bradley Beach, Donald Elbert, Matthew Houston, Joseph Johnson, Kathryn Mullins, Peter Pickett, John Ringo, Ronald Roe, Jing Sun, Kevin Trembath