Patents by Inventor Heiney E. Steven

Heiney E. Steven 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).

  • Publication number: 20090188672
    Abstract: Method and apparatus for producing a bubble curtain with a diversity of bubble diameters for purposes such as suppressing surface-related multiple reflections in marine seismic surveys. Bubble generating elements are used that combine porous wall material with discrete holes.
    Type: Application
    Filed: May 9, 2007
    Publication date: July 30, 2009
    Inventors: Michael W. Norris, Heiney E. Steven, Ross S. Warren, Johnson L. Marvin