Patents by Inventor David J. Whitlock

David J. Whitlock 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).

  • Apparatus and method for cleaning a coker or other vessel
    Patent number: 8377231
    Abstract: An apparatus and method for cleaning a vessel are disclosed. The vessel may include a coker for the extraction of crude oil, for example. The apparatus may include an elongated flexible conduit insertable through an elongated rigid conduit into the vessel, for conducting pressurized liquid into the vessel to clean the vessel. The apparatus preferably includes a sealing device for sealing a gap between the flexible conduit and the rigid conduit to prevent fluid from travelling through the gap.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: February 19, 2013
    Assignee: CEDA International Corporation
    Inventors: Dan Richards, David J. Whitlock, Brian Fitzmaurice, Mike Bronson