Patents by Inventor Mark D. Vinton

Mark D. Vinton 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).

  • Spring supported dual element face seal with a run surface sleeve
    Patent number: 7708284
    Abstract: The invention provides a seal for a rotatable shaft. The seal includes an inner case mountable to the shaft and having a body and first and second flanges extending radially outward from the body. The seal includes first and second sealing discs operable to seal against the first and second flanges of the inner case. The sealing discs are immovably associated with a housing spaced from the shaft. A spring encircles the shaft and inner case to urge the sealing discs against the flanges. The spring rate of the spring is controlled to enhance sealing, reduce turning torque, and extend life of the seal.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: May 4, 2010
    Assignee: Federal-Mogal World Wide, Inc.
    Inventors: David G. Mormile, Mark D. Vinton
  • Spring supported dual element face seal with a run surface sleeve
    Patent number: 7219898
    Abstract: The invention provides a seal for a rotatable shaft. The seal includes an inner case mountable to the shaft and having a body and first and second flanges extending radially outward from the body. The seal includes first and second sealing discs operable to seal against the first and second flanges of the inner case. The sealing discs are immovably associated with a housing spaced from the shaft. A spring encircles the shaft and inner case to urge the sealing discs against the flanges. The spring rate of the spring is controlled to enhance sealing, reduce turning torque, and extend life of the seal.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: May 22, 2007
    Assignee: Federal-Mogul World Wide, Inc.
    Inventors: David G. Mormile, Mark D. Vinton