Patents by Inventor Guy W. Leonard

Guy W. Leonard 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).

  • Device for stimulation of geothermal wells
    Patent number: 4063509
    Abstract: A device comprising an outer shell, open at one end, a charge carrier for carrying shaped charges suspended within the outer shell and means for releasing gas suspended within the outer shell used in the stimulation of geothermal wells.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: December 20, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Guy W. Leonard, Carl F. Austin