Patents by Inventor John Davenport

John Davenport 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).

  • Patent number: 5669672
    Abstract: The present invention discloses a wheel trim attachment system for trailer wheels. In the present invention, a bracket is provided having a cloverleaf hole which can receive lugs sized and spaced for a six lug, eight lug, and ten lug variety. Additionally, a mounting orifice is provided which can be placed on the wheel at a constant radius from the center of the wheel to allow a single wheel liner to be attached to different sized wheels. Attachments can be used to attach the wheel liner to the bracket. The wheel liner can have lug covers and hub covers.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: September 23, 1997
    Assignee: Pheonix USA, Inc.
    Inventors: James P. Wright, Timothy L. Bates, Kevin D. Nash, Barry Lynn Roberts, John Davenport
  • Patent number: 5645324
    Abstract: The present invention discloses a wheel trim attachment system that attaches to a yoke having a pair of collars, substantially half-moon shaped, separated by a tab. The collar is sized to fit within the offset of lug nut pairs. A bias member such as a rubber band can be used or any other kind of elastic member can be used to keep the yoke on the lug nut pairs. A mounting orifice is attached to or placed into the tab. Screws are then used to attach the wheel liner to the yoke.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: July 8, 1997
    Assignee: Phoenix USA, Inc.
    Inventors: James P. Wright, Timothy L. Bates, Kevin D. Nash, Barry Lynn Roberts, John Davenport
  • Patent number: 4587458
    Abstract: A vacuum furnace for the ionic surface treatment of workpieces in which the workpiece is connected as one of a pair of electrodes of opposite polarity, and in which a third electrode is located adjacent the workpiece and is connected to it at the same polarity and potential so as to be subject to the same current density as the workpiece, the current through the third electrode being used to indicate said workpiece current density and to control it.
    Type: Grant
    Filed: July 11, 1984
    Date of Patent: May 6, 1986
    Assignee: TI (Group Services) Limited
    Inventors: John Davenport, Michael A. Russo
  • Patent number: 3990505
    Abstract: An air-conditioning system particularly, but not exclusively, for vehicles employs a single liquid/air heat exchanger and means selectively to supply either hot liquid or cooled liquid to said heat exchanger whereby selectively to heat or cool the air passing through said heat exchanger. As applied to a motor vehicle, the system only requires a single heat exchanger on the interior side of the vehicle bulkhead.
    Type: Grant
    Filed: May 16, 1975
    Date of Patent: November 9, 1976
    Assignee: Associated Engineering Limited
    Inventor: Christopher John Davenport