Patents by Inventor Stephen L. Sadle

Stephen L. Sadle 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: 8727698
    Abstract: An electricity generating tower includes a tower wall whose inner radius profile has a hyperbolic shape for a least a portion thereof. Moisture is added to the top of the tower and mixes with air to generate a downdraft of wind within the interior of the tower. A base beneath the tower wall contains a plurality of radially extending wind tunnels each having a turbine arranged therein to convert the wind into electricity.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: May 20, 2014
    Assignee: Solar Wind Energy Tower, Inc.
    Inventors: Ronald W. Pickett, Stephen L. Sadle