Patents by Inventor Mark S. Zajac

Mark S. Zajac 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).

  • Marine seismic diverter with vortex generators
    Patent number: 6655311
    Abstract: The present invention provides methods, systems and apparatus for steering one or more cables towed through water by a vessel. In general, a diverter attached to the one or more cables may comprise a float, a vane extending from a bottom surface of the float, and one or more vortex generators disposed on a suction side surface of the vane. The one or more vortex generators may prevent stall of the diverter at high attack angles.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: December 2, 2003
    Assignee: WesternGeco, L.L.C.
    Inventors: Daniel George Martin, Mark S. Zajac