Patents by Inventor John Flinchbaugh

John Flinchbaugh 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).

  • Piston head for a spark ignition engine
    Patent number: 6609490
    Abstract: A piston for an internal combustion engine of the spark ignition type has cavities formed in the crown in a pattern to cover approximately 16 to 18 percent of the piston head surface area. The cavities are formed in a pattern wherein no cavity edge is closer than approximately ¼ inch to ½ inch of any adjacent cavity edge or to the perimeter of the piston head. The cavities are generally cylindrical wall structures having a bottom in the form of a cone tapered to a central point. The depth of the cavity is approximately 55 percent of the cavity diameter.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: August 26, 2003
    Inventors: John Flinchbaugh, Michael Lee Anderson
  • Piston head for a spark ignition engine
    Publication number: 20030089329
    Abstract: A piston for an internal combustion engine of the spark ignition type has cavities formed in the crown in a pattern to cover approximately 16 to 18 percent of the piston head surface area. The cavities are formed in a pattern wherein no cavity edge is closer than approximately ¼ inch to ½ inch of any adjacent cavity edge or to the perimeter of the piston head. The cavities are generally cylindrical wall structures having a bottom in the form of a cone tapered to a central point. The depth of the cavity is approximately 55 percent of the cavity diameter.
    Type: Application
    Filed: November 15, 2001
    Publication date: May 15, 2003
    Inventors: John Flinchbaugh, Michael Lee Anderson, Marsha B. Anderson