Patents by Inventor Stephen Kelly Smith

Stephen Kelly Smith 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: 5653298
    Abstract: A method and abstract of removing a surface subject to a subsurface pressure and an environmental surface pressure at least equal to the subsurface pressure, which comprises jetting fluid through a nozzle facing and located a predetermined distance from said surface, said nozzle being shaped to eject the fluid in a steam having a higher core pressure than said environmental pressure, said higher pressure stream having adjacent thereto at least one zone of pressure negative relative to said subsurface pressure, said distance being predetermined to expose said surface to said zone of negative pressure, whereby said surface is caused to explode into said zone of negative pressure from the force of said subsurface pressure.
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: August 5, 1997
    Assignee: Vortexx Group, Inc.
    Inventors: Norval Roland Dove, Stephen Kelly Smith, W. Gerald Lott